Selective Insurance

82.36

-0.6450-0.78%

Volume:25.17K

Turnover:2.08M

Market Cap:4.95B

PE:11.01

High:83.32

Open:83.00

Low:82.18

Close:83.00

52wk High:93.38

52wk Low:71.75

Shares:60.10M

Float Shares:60.10M

Volume Ratio:0.29

T/O Rate:0.04%

Dividend:1.57

Dividend Rate:1.91%

EPS(TTM):7.48

EPS(LYR):7.48

ROE:13.86%

ROA:2.78%

PB:1.45

PE(LYR):11.01

Loading ...

Overview Company News Filings

Feb 17, 2026

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.be62fbe1.png","ogUrl":"https://www-web.itiger.com/stock/SIGI/filings"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"SIGI","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"SIGI\",,,,,undefined,":{"symbol":"SIGI","market":"US","secType":"STK","nameCN":"Selective Insurance","latestPrice":82.355,"timestamp":1771946899317,"preClose":83,"halted":0,"volume":25168,"delay":0,"changeRate":-0.00777108433734935,"floatShares":60100000,"shares":60100000,"eps":7.482815,"marketStatus":"Trading","change":-0.645,"latestTime":"02-24 10:28:27 EST","open":83,"high":83.315,"low":82.18,"amount":2079684.5669600002,"amplitude":0.013675,"askPrice":82.63,"askSize":1,"bidPrice":82.28,"bidSize":5,"shortable":3,"etf":0,"ttmEps":7.482815,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1771966800000},"marketStatusCode":2,"adr":0,"adrRate":0,"exchange":"NASDAQ","adjPreClose":83,"dividendRate":0.019064,"postHourTrading":{"tag":"盘后","latestPrice":83,"preClose":83,"latestTime":"17:16 EST","volume":249673,"amount":20722859,"timestamp":1771884983445,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.29081,"impliedVol":0.3802,"impliedVolPercentile":0.7769},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"SIGI\",,,,,undefined,":{"symbol":"SIGI","floatShares":60100000,"roa":"2.78%","roe":"13.86%","lyrEps":7.482815,"volumeRatio":0.29081,"shares":60100000,"dividePrice":1.57,"high":83.315,"amplitude":0.013675,"preClose":83,"low":82.18,"week52Low":71.75,"pbRate":"1.45","psRate":"0.93","week52High":93.378,"institutionHeld":0.8612,"latestPrice":82.355,"committee":0.666667,"eps":7.482815,"divideRate":0.019064,"volume":25168,"delay":0,"ttmEps":7.482815,"open":83,"prevYearClose":83.67,"prevWeekClose":85.1,"prevMonthClose":84.08,"prevQuarterClose":83.67,"fiveDayClose":86.54,"twentyDayClose":81.77,"sixtyDayClose":79.13,"dividendPayoutRate":0.20816422752111408,"dividendFrequency":"Q","dividendGrowthYears":10,"dividendGrowthRate":0.09790209790209783,"fiveYearAvgDividendRate":0.014393527256246624},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/SIGI\",params:#limit:5,,,undefined,":[{"date":"2026-02-13","symbol":"SIGI","amount":0.43,"announcedDate":"2026-01-29","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-02-13","defaultRemindTime":1770993000000,"name":"Selective Insurance Group","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-03-02","payableDate":"2026-02-13","currency":"USD","dateTimestamp":1770958800000,"payDate":"2026-03-02"},{"market":"US","date":"2026-01-29","symbol":"SIGI","fiscalQuarterEnding":"2025/12","expectedEps":2.24,"name":null,"time":"Post Market","type":"earning","dateTimestamp":1769662800000,"reportTimeType":"post","actualEps":2.57},{"date":"2025-11-14","symbol":"SIGI","amount":0.43,"announcedDate":"2025-10-22","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2025-11-14","defaultRemindTime":1763130600000,"name":"Selective Insurance Group","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2025-12-01","payableDate":"2025-11-14","currency":"USD","dateTimestamp":1763096400000,"payDate":"2025-12-01"},{"market":"US","date":"2025-10-22","symbol":"SIGI","fiscalQuarterEnding":"2025/09","expectedEps":1.84,"name":null,"time":"Post Market","type":"earning","dateTimestamp":1761105600000,"reportTimeType":"post","actualEps":1.75},{"date":"2025-08-15","symbol":"SIGI","amount":0.38,"announcedDate":"2025-07-23","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2025-08-15","defaultRemindTime":1755264600000,"name":"Selective Insurance Group","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2025-09-02","payableDate":"2025-08-15","currency":"USD","dateTimestamp":1755230400000,"payDate":"2025-09-02"}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"SIGI\",market:\"US\",,,undefined,":[{"executeDate":"2016-05-12","recordDate":"2016-05-16","paymentDate":"2016-06-01","value":0.15,"currency":"USD"},{"executeDate":"2016-08-11","recordDate":"2016-08-15","paymentDate":"2016-09-01","value":0.15,"currency":"USD"},{"executeDate":"2016-11-10","recordDate":"2016-11-15","paymentDate":"2016-12-01","value":0.16,"currency":"USD"},{"executeDate":"2017-02-13","recordDate":"2017-02-15","paymentDate":"2017-03-01","value":0.16,"currency":"USD"},{"executeDate":"2017-05-11","recordDate":"2017-05-15","paymentDate":"2017-06-01","value":0.16,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"SIGI\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.1429,"buy":0.1429,"hold":0.5714,"sell":0.1429,"strongSell":0,"meanLabel":"HOLD","meanPercent":0.5714,"analysts":7,"updateTime":1764219600000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/SIGI\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"SIGI","date":"2026-02-20","current":11.092082,"percent":0.031967,"low":10.410839,"twenty":12.408699,"median":18.096601,"eighty":23.534683,"high":27.566417,"avg":18.09583,"sd":5.195181,"marketCap":5103962502},"quantilePoints":[{"date":"2021-02-26","current":16.487625,"twenty":14.851647,"median":18.031944,"eighty":21.14472,"marketCap":4061808879},{"date":"2021-03-05","current":17.316503,"twenty":14.851647,"median":18.031944,"eighty":21.14472,"marketCap":4266007144},{"date":"2021-03-12","current":18.466237,"twenty":14.851647,"median":18.079286,"eighty":21.14472,"marketCap":4549249898},{"date":"2021-03-19","current":17.921754,"twenty":14.851647,"median":18.113274,"eighty":21.14472,"marketCap":4415113794},{"date":"2021-03-26","current":18.132183,"twenty":14.852585,"median":18.114128,"eighty":21.143193,"marketCap":4466953856},{"date":"2021-04-01","current":17.866608,"twenty":14.852585,"median":18.114128,"eighty":21.143193,"marketCap":4401528168},{"date":"2021-04-09","current":18.397757,"twenty":14.851647,"median":18.118643,"eighty":21.14472,"marketCap":4532379544},{"date":"2021-04-16","current":18.880178,"twenty":14.851647,"median":18.146607,"eighty":21.14472,"marketCap":4651226206},{"date":"2021-04-23","current":18.704752,"twenty":14.851647,"median":18.178476,"eighty":21.14472,"marketCap":4608009238},{"date":"2021-04-30","current":13.426541,"twenty":14.808908,"median":18.18637,"eighty":21.14472,"marketCap":4570246699},{"date":"2021-05-07","current":13.654019,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4647677987},{"date":"2021-05-14","current":13.507657,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4597857856},{"date":"2021-05-21","current":13.66989,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4653080170},{"date":"2021-05-28","current":13.273125,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4518025598},{"date":"2021-06-04","current":13.447701,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4577449610},{"date":"2021-06-11","current":13.59759,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4628470225},{"date":"2021-06-18","current":13.132052,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4470006195},{"date":"2021-06-25","current":14.080763,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4792936681},{"date":"2021-07-02","current":14.26592,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4855962148},{"date":"2021-07-09","current":14.024334,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4773728920},{"date":"2021-07-16","current":13.853284,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4715505394},{"date":"2021-07-23","current":13.743953,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4678290356},{"date":"2021-07-30","current":11.422268,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4889747158},{"date":"2021-08-06","current":11.625861,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":4976903070},{"date":"2021-08-13","current":11.752229,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":5030999842},{"date":"2021-08-20","current":11.960034,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":5119958979},{"date":"2021-08-27","current":11.891234,"twenty":14.739708,"median":18.18637,"eighty":21.14472,"marketCap":5090506292},{"date":"2021-09-03","current":11.705894,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":5011164359},{"date":"2021-09-10","current":11.281859,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4829639633},{"date":"2021-09-17","current":10.864844,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4651120284},{"date":"2021-09-24","current":11.097923,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4750898776},{"date":"2021-10-01","current":10.675292,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4569975125},{"date":"2021-10-08","current":10.978575,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4699807379},{"date":"2021-10-15","current":11.033335,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4723249314},{"date":"2021-10-22","current":11.034739,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4723850389},{"date":"2021-10-29","current":10.909178,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4711881437},{"date":"2021-11-05","current":11.339309,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4897663161},{"date":"2021-11-12","current":11.133292,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4808680329},{"date":"2021-11-19","current":10.878554,"twenty":14.734092,"median":18.18637,"eighty":21.143193,"marketCap":4698654260},{"date":"2021-11-26","current":10.870202,"twenty":14.680254,"median":18.18637,"eighty":21.141667,"marketCap":4695046848},{"date":"2021-12-03","current":10.692025,"twenty":14.547877,"median":18.18637,"eighty":21.141667,"marketCap":4618088723},{"date":"2021-12-10","current":11.410302,"twenty":14.477639,"median":18.18637,"eighty":21.141667,"marketCap":4928326163},{"date":"2021-12-17","current":11.298941,"twenty":14.294315,"median":18.18637,"eighty":21.141667,"marketCap":4880227335},{"date":"2021-12-23","current":11.079004,"twenty":14.121832,"median":18.18637,"eighty":21.141667,"marketCap":4785232150},{"date":"2021-12-31","current":11.406126,"twenty":14.035566,"median":18.18637,"eighty":21.141667,"marketCap":4926522457},{"date":"2022-01-07","current":11.06926,"twenty":13.94664,"median":18.182423,"eighty":21.14014,"marketCap":4781023503},{"date":"2022-01-14","current":11.008011,"twenty":13.875312,"median":18.182423,"eighty":21.14014,"marketCap":4754569147},{"date":"2022-01-21","current":10.728217,"twenty":13.851037,"median":18.182423,"eighty":21.14014,"marketCap":4633720842},{"date":"2022-01-28","current":10.895258,"twenty":13.787333,"median":18.182423,"eighty":21.14014,"marketCap":4705869084},{"date":"2022-02-04","current":11.398306,"twenty":13.76411,"median":18.182423,"eighty":21.14014,"marketCap":4603057839},{"date":"2022-02-11","current":11.42771,"twenty":13.695809,"median":18.182423,"eighty":21.14014,"marketCap":4614932000},{"date":"2022-02-18","current":11.712703,"twenty":13.667765,"median":18.182423,"eighty":21.14014,"marketCap":4730022691},{"date":"2022-02-25","current":12.475765,"twenty":13.645864,"median":18.182423,"eighty":21.14014,"marketCap":5038175333},{"date":"2022-03-04","current":12.447448,"twenty":13.604566,"median":18.182423,"eighty":21.14014,"marketCap":5026739981},{"date":"2022-03-11","current":12.408699,"twenty":13.574211,"median":18.182423,"eighty":21.14014,"marketCap":5011091605},{"date":"2022-03-18","current":12.846863,"twenty":13.505188,"median":18.182423,"eighty":21.14014,"marketCap":5188038630},{"date":"2022-03-25","current":13.469832,"twenty":13.465759,"median":18.182423,"eighty":21.14014,"marketCap":5439616373},{"date":"2022-04-01","current":13.698843,"twenty":13.449112,"median":18.182423,"eighty":21.14014,"marketCap":5532099737},{"date":"2022-04-08","current":13.069853,"twenty":13.422076,"median":18.182423,"eighty":21.14014,"marketCap":5278090141},{"date":"2022-04-14","current":12.81736,"twenty":13.394446,"median":18.182423,"eighty":21.14014,"marketCap":5176124293},{"date":"2022-04-22","current":12.470743,"twenty":13.342955,"median":18.182423,"eighty":21.14014,"marketCap":5036147508},{"date":"2022-04-29","current":12.304905,"twenty":13.30708,"median":18.168522,"eighty":21.14014,"marketCap":4969175857},{"date":"2022-05-06","current":13.946421,"twenty":13.299545,"median":18.154013,"eighty":21.14014,"marketCap":4893757331},{"date":"2022-05-13","current":13.121688,"twenty":13.251876,"median":18.154013,"eighty":21.14014,"marketCap":4604360809},{"date":"2022-05-20","current":13.089008,"twenty":13.2344,"median":18.154013,"eighty":21.14014,"marketCap":4592893663},{"date":"2022-05-27","current":13.474282,"twenty":13.213025,"median":18.154013,"eighty":21.14014,"marketCap":4728085277},{"date":"2022-06-03","current":13.488042,"twenty":13.213025,"median":18.129069,"eighty":21.14014,"marketCap":4732913549},{"date":"2022-06-10","current":13.107928,"twenty":13.191385,"median":18.123776,"eighty":21.14014,"marketCap":4599532537},{"date":"2022-06-17","current":13.390004,"twenty":13.150421,"median":18.107437,"eighty":21.14014,"marketCap":4698512112},{"date":"2022-06-24","current":14.208712,"twenty":13.145829,"median":18.1016,"eighty":21.141667,"marketCap":4985794291},{"date":"2022-07-01","current":15.042899,"twenty":13.145829,"median":18.097133,"eighty":21.141667,"marketCap":5278508276},{"date":"2022-07-08","current":15.144378,"twenty":13.145829,"median":18.07498,"eighty":21.141667,"marketCap":5314116781},{"date":"2022-07-15","current":14.188072,"twenty":13.145829,"median":17.993304,"eighty":21.141667,"marketCap":4978551883},{"date":"2022-07-22","current":13.955875,"twenty":13.145829,"median":17.921754,"eighty":21.141667,"marketCap":4897074794},{"date":"2022-07-29","current":13.391724,"twenty":13.145829,"median":17.859298,"eighty":21.141667,"marketCap":4699115646},{"date":"2022-08-05","current":17.442958,"twenty":13.132034,"median":17.859298,"eighty":21.141667,"marketCap":4684027296},{"date":"2022-08-12","current":18.353201,"twenty":13.132034,"median":17.898282,"eighty":21.141667,"marketCap":4928458562},{"date":"2022-08-19","current":18.642532,"twenty":13.132034,"median":17.982523,"eighty":21.141667,"marketCap":5006153610},{"date":"2022-08-26","current":18.152766,"twenty":13.132034,"median":18.030296,"eighty":21.141667,"marketCap":4874634992},{"date":"2022-09-02","current":17.782073,"twenty":13.132034,"median":18.031944,"eighty":21.141667,"marketCap":4775091085},{"date":"2022-09-09","current":18.492008,"twenty":13.132034,"median":18.076563,"eighty":21.141667,"marketCap":4965732750},{"date":"2022-09-16","current":18.285318,"twenty":13.132034,"median":18.118643,"eighty":21.141667,"marketCap":4910229480},{"date":"2022-09-23","current":18.190959,"twenty":13.132034,"median":18.152766,"eighty":21.141667,"marketCap":4884891031},{"date":"2022-09-30","current":18.287564,"twenty":13.132034,"median":18.178476,"eighty":21.141667,"marketCap":4910832777},{"date":"2022-10-07","current":18.939087,"twenty":13.132034,"median":18.178476,"eighty":21.141667,"marketCap":5085788736},{"date":"2022-10-14","current":20.098348,"twenty":13.132034,"median":18.178476,"eighty":21.141667,"marketCap":5397089683},{"date":"2022-10-21","current":20.668992,"twenty":13.132034,"median":18.178476,"eighty":21.141667,"marketCap":5550326972},{"date":"2022-10-28","current":21.805786,"twenty":13.132034,"median":18.178476,"eighty":21.148829,"marketCap":5855594955},{"date":"2022-11-04","current":23.660177,"twenty":13.132034,"median":18.178476,"eighty":21.170527,"marketCap":5615837588},{"date":"2022-11-11","current":23.192916,"twenty":13.132034,"median":18.178476,"eighty":21.197263,"marketCap":5504931276},{"date":"2022-11-18","current":23.619545,"twenty":13.132034,"median":18.178476,"eighty":21.242059,"marketCap":5606193561},{"date":"2022-11-25","current":24.221398,"twenty":13.132034,"median":18.178476,"eighty":21.30995,"marketCap":5749045714},{"date":"2022-12-02","current":24.145214,"twenty":13.132034,"median":18.178476,"eighty":21.319092,"marketCap":5730963163},{"date":"2022-12-09","current":22.883101,"twenty":13.132034,"median":18.178476,"eighty":21.345593,"marketCap":5431395568},{"date":"2022-12-16","current":21.966355,"twenty":13.132034,"median":18.178476,"eighty":21.384054,"marketCap":5213802205},{"date":"2022-12-23","current":23.071021,"twenty":13.132034,"median":18.178476,"eighty":21.433396,"marketCap":5475999194},{"date":"2022-12-30","current":22.502182,"twenty":13.132034,"median":18.178476,"eighty":21.463777,"marketCap":5340982813},{"date":"2023-01-06","current":23.330047,"twenty":13.132034,"median":18.178476,"eighty":21.502463,"marketCap":5537479867},{"date":"2023-01-13","current":24.234095,"twenty":13.132034,"median":18.178476,"eighty":21.58649,"marketCap":5752059473},{"date":"2023-01-20","current":22.895798,"twenty":13.132034,"median":18.178476,"eighty":21.614597,"marketCap":5434409327},{"date":"2023-01-27","current":23.563677,"twenty":13.132034,"median":18.178476,"eighty":21.694729,"marketCap":5592933024},{"date":"2023-02-03","current":27.043767,"twenty":13.132034,"median":18.178476,"eighty":21.805574,"marketCap":6081764653},{"date":"2023-02-10","current":26.791823,"twenty":13.132034,"median":18.178476,"eighty":21.839769,"marketCap":6025105993},{"date":"2023-02-17","current":27.450645,"twenty":13.132034,"median":18.178476,"eighty":21.96243,"marketCap":6173265799},{"date":"2023-02-24","current":26.626938,"twenty":13.132034,"median":18.178476,"eighty":22.032111,"marketCap":5988025588},{"date":"2023-03-03","current":26.822803,"twenty":13.132034,"median":18.178476,"eighty":22.145422,"marketCap":6032072935},{"date":"2023-03-10","current":25.398085,"twenty":13.132034,"median":18.178476,"eighty":22.317412,"marketCap":5711673742},{"date":"2023-03-17","current":24.061909,"twenty":13.132034,"median":18.178476,"eighty":22.48995,"marketCap":5411186364},{"date":"2023-03-24","current":24.856102,"twenty":13.132034,"median":18.178476,"eighty":22.618997,"marketCap":5589789303},{"date":"2023-03-31","current":25.577852,"twenty":13.132043,"median":18.184717,"eighty":22.66098,"marketCap":5752100759},{"date":"2023-04-06","current":25.500042,"twenty":13.132043,"median":18.184717,"eighty":22.700039,"marketCap":5734602498},{"date":"2023-04-14","current":25.932019,"twenty":13.132034,"median":18.178476,"eighty":22.77349,"marketCap":5831748016},{"date":"2023-04-21","current":26.125201,"twenty":13.132007,"median":18.157093,"eighty":22.79168,"marketCap":5875191974},{"date":"2023-04-27","current":25.070749,"twenty":13.129943,"median":18.152766,"eighty":22.851385,"marketCap":5638060368},{"date":"2023-05-03","current":26.197644,"twenty":13.125816,"median":18.146607,"eighty":22.878022,"marketCap":5891483458},{"date":"2023-05-12","current":23.689332,"twenty":13.121688,"median":18.13704,"eighty":22.84663,"marketCap":6185995159},{"date":"2023-05-19","current":23.506322,"twenty":13.121,"median":18.132183,"eighty":22.812406,"marketCap":6138205836},{"date":"2023-05-26","current":22.825248,"twenty":13.121,"median":18.132183,"eighty":22.812406,"marketCap":5960356963},{"date":"2023-06-02","current":22.408264,"twenty":13.120656,"median":18.130707,"eighty":22.784155,"marketCap":5851469898},{"date":"2023-06-09","current":23.293197,"twenty":13.120656,"median":18.130707,"eighty":22.774552,"marketCap":6082552447},{"date":"2023-06-16","current":22.778916,"twenty":13.120656,"median":18.130707,"eighty":22.768178,"marketCap":5948258400},{"date":"2023-06-23","current":22.563474,"twenty":13.120312,"median":18.12923,"eighty":22.721927,"marketCap":5892000083},{"date":"2023-06-30","current":22.459228,"twenty":13.119968,"median":18.129069,"eighty":22.677837,"marketCap":5864778317},{"date":"2023-07-07","current":21.569662,"twenty":13.119968,"median":18.129069,"eighty":22.648085,"marketCap":5632485911},{"date":"2023-07-14","current":21.646109,"twenty":13.119968,"median":18.129069,"eighty":22.568618,"marketCap":5652448540},{"date":"2023-07-21","current":23.656899,"twenty":13.119968,"median":18.129069,"eighty":22.502182,"marketCap":6177526165},{"date":"2023-07-28","current":23.941839,"twenty":13.119968,"median":18.129069,"eighty":22.502182,"marketCap":6251932326},{"date":"2023-08-04","current":22.000449,"twenty":13.119968,"median":18.129069,"eighty":22.499115,"marketCap":6164217746},{"date":"2023-08-11","current":21.685519,"twenty":13.119968,"median":18.129069,"eighty":22.456912,"marketCap":6076672662},{"date":"2023-08-18","current":21.754684,"twenty":13.119968,"median":18.129069,"eighty":22.329498,"marketCap":6096054056},{"date":"2023-08-25","current":21.495314,"twenty":13.119968,"median":18.129069,"eighty":22.28413,"marketCap":6023373829},{"date":"2023-09-01","current":21.44344,"twenty":13.119968,"median":18.129069,"eighty":22.213671,"marketCap":6008837783},{"date":"2023-09-08","current":21.257558,"twenty":13.119968,"median":18.129069,"eighty":22.111318,"marketCap":5956750287},{"date":"2023-09-15","current":21.882208,"twenty":13.119968,"median":18.129069,"eighty":22.032452,"marketCap":6131788501},{"date":"2023-09-22","current":22.658157,"twenty":13.119968,"median":18.129069,"eighty":22.031884,"marketCap":6349223514},{"date":"2023-09-29","current":22.521988,"twenty":13.119968,"median":18.129069,"eighty":22.031884,"marketCap":6311066395},{"date":"2023-10-06","current":22.839716,"twenty":13.119968,"median":18.129069,"eighty":22.031884,"marketCap":6400099673},{"date":"2023-10-13","current":21.821688,"twenty":13.119968,"median":18.129069,"eighty":22.00666,"marketCap":6114829781},{"date":"2023-10-20","current":22.93698,"twenty":13.119968,"median":18.129069,"eighty":22.031884,"marketCap":6427354758},{"date":"2023-10-27","current":22.688417,"twenty":13.116169,"median":18.118643,"eighty":22.004176,"marketCap":6357702874},{"date":"2023-11-03","current":19.519705,"twenty":13.116169,"median":18.118643,"eighty":21.965205,"marketCap":6380718279},{"date":"2023-11-10","current":18.801095,"twenty":13.116169,"median":18.118643,"eighty":21.936531,"marketCap":6146096831},{"date":"2023-11-17","current":18.882646,"twenty":13.116169,"median":18.118643,"eighty":21.890663,"marketCap":6172755768},{"date":"2023-11-24","current":19.114323,"twenty":13.116169,"median":18.118643,"eighty":21.824566,"marketCap":6248491386},{"date":"2023-12-01","current":18.847431,"twenty":13.116169,"median":18.118643,"eighty":21.806751,"marketCap":6161243954},{"date":"2023-12-08","current":18.623167,"twenty":13.117436,"median":18.123776,"eighty":21.773704,"marketCap":6087931877},{"date":"2023-12-15","current":18.723252,"twenty":13.117436,"median":18.123776,"eighty":21.742271,"marketCap":6120649663},{"date":"2023-12-22","current":18.328473,"twenty":13.117436,"median":18.123776,"eighty":21.717475,"marketCap":5991596171},{"date":"2023-12-29","current":18.445239,"twenty":13.116169,"median":18.118643,"eighty":21.723727,"marketCap":6029766922},{"date":"2024-01-05","current":18.827043,"twenty":13.114903,"median":18.115958,"eighty":21.699363,"marketCap":6154579220},{"date":"2024-01-12","current":18.654675,"twenty":13.114903,"median":18.115958,"eighty":21.699363,"marketCap":6098231921},{"date":"2024-01-19","current":19.416431,"twenty":13.113637,"median":18.113274,"eighty":21.676914,"marketCap":6347250631},{"date":"2024-01-26","current":19.629574,"twenty":13.114903,"median":18.115958,"eighty":21.645679,"marketCap":6416927399},{"date":"2024-02-02","current":16.059601,"twenty":13.114903,"median":18.0991,"eighty":21.645679,"marketCap":5864966219},{"date":"2024-02-09","current":16.122645,"twenty":13.114903,"median":18.03282,"eighty":21.645679,"marketCap":5887989846},{"date":"2024-02-16","current":17.514904,"twenty":13.114903,"median":17.979243,"eighty":21.631916,"marketCap":6397108334},{"date":"2024-02-23","current":16.887296,"twenty":13.114903,"median":17.919312,"eighty":21.551511,"marketCap":6167882156},{"date":"2024-03-01","current":17.347209,"twenty":13.116169,"median":17.866608,"eighty":21.516506,"marketCap":6335860070},{"date":"2024-03-08","current":17.440188,"twenty":13.116169,"median":17.842732,"eighty":21.499869,"marketCap":6369819503},{"date":"2024-03-15","current":17.15129,"twenty":13.116169,"median":17.782073,"eighty":21.499869,"marketCap":6264302691},{"date":"2024-03-22","current":17.284117,"twenty":13.116169,"median":17.659741,"eighty":21.499869,"marketCap":6312816168},{"date":"2024-03-28","current":17.835349,"twenty":13.116169,"median":17.621829,"eighty":21.499869,"marketCap":6514147097},{"date":"2024-04-05","current":17.332266,"twenty":13.114903,"median":17.539874,"eighty":21.488212,"marketCap":6330402303},{"date":"2024-04-12","current":16.960351,"twenty":13.114903,"median":17.487302,"eighty":21.212255,"marketCap":6194564568},{"date":"2024-04-19","current":16.839146,"twenty":13.114903,"median":17.458729,"eighty":20.946226,"marketCap":6150296021},{"date":"2024-04-26","current":16.885635,"twenty":13.116169,"median":17.426906,"eighty":20.853325,"marketCap":6167275738},{"date":"2024-05-03","current":16.353276,"twenty":13.116169,"median":17.383737,"eighty":20.773052,"marketCap":5807669591},{"date":"2024-05-10","current":16.850445,"twenty":13.116169,"median":17.37456,"eighty":20.773052,"marketCap":5984974762},{"date":"2024-05-17","current":16.759732,"twenty":13.116169,"median":17.332266,"eighty":20.773052,"marketCap":5952754990},{"date":"2024-05-24","current":16.491014,"twenty":13.116169,"median":17.315663,"eighty":20.773052,"marketCap":5857311512},{"date":"2024-05-31","current":16.402013,"twenty":13.116169,"median":17.261269,"eighty":20.773052,"marketCap":5825699659},{"date":"2024-06-07","current":16.047717,"twenty":13.116169,"median":17.217703,"eighty":20.773052,"marketCap":5699860170},{"date":"2024-06-14","current":15.678017,"twenty":13.114903,"median":17.203261,"eighty":20.775192,"marketCap":5568549398},{"date":"2024-06-21","current":15.886829,"twenty":13.113637,"median":17.164168,"eighty":20.76663,"marketCap":5642715667},{"date":"2024-06-28","current":15.876559,"twenty":13.110212,"median":17.14309,"eighty":20.773052,"marketCap":5639068146},{"date":"2024-07-05","current":15.71396,"twenty":13.110212,"median":17.124899,"eighty":20.773052,"marketCap":5581315723},{"date":"2024-07-12","current":16.241125,"twenty":13.110212,"median":17.096781,"eighty":20.638158,"marketCap":5768555157},{"date":"2024-07-15","current":16.489303,"twenty":13.110212,"median":17.090687,"eighty":20.636639,"marketCap":5856703592},{"date":"2024-08-02","current":23.018297,"twenty":13.09176,"median":17.046692,"eighty":20.903015,"marketCap":5369132848},{"date":"2024-08-09","current":22.186342,"twenty":13.09176,"median":17.046692,"eighty":21.033202,"marketCap":5175075134},{"date":"2024-08-16","current":23.148697,"twenty":13.09176,"median":17.046692,"eighty":21.445601,"marketCap":5399549417},{"date":"2024-08-23","current":23.279098,"twenty":13.09176,"median":17.046692,"eighty":21.532058,"marketCap":5429965987},{"date":"2024-08-30","current":23.662475,"twenty":13.09176,"median":17.046692,"eighty":21.605978,"marketCap":5519390701},{"date":"2024-09-06","current":23.537291,"twenty":13.09176,"median":17.046692,"eighty":21.661311,"marketCap":5490190794},{"date":"2024-09-13","current":23.39385,"twenty":13.09176,"median":17.046692,"eighty":21.755116,"marketCap":5456732568},{"date":"2024-09-20","current":23.962397,"twenty":13.09176,"median":17.046692,"eighty":21.810954,"marketCap":5589348811},{"date":"2024-09-27","current":23.803308,"twenty":13.09176,"median":17.046692,"eighty":21.897804,"marketCap":5552240596},{"date":"2024-10-04","current":23.90502,"twenty":13.09176,"median":17.046692,"eighty":21.958982,"marketCap":5575965520},{"date":"2024-10-11","current":24.116269,"twenty":13.09176,"median":17.046692,"eighty":22.018072,"marketCap":5625240363},{"date":"2024-10-18","current":25.790612,"twenty":13.09176,"median":17.046692,"eighty":22.12299,"marketCap":6015789115},{"date":"2024-10-25","current":24.084814,"twenty":13.09176,"median":17.046692,"eighty":22.2096,"marketCap":5692156816},{"date":"2024-10-31","current":23.623039,"twenty":13.09176,"median":17.046692,"eighty":22.264875,"marketCap":5582714581},{"date":"2024-11-08","current":25.184531,"twenty":13.091072,"median":17.035441,"eighty":22.318954,"marketCap":5951734264},{"date":"2024-11-15","current":25.473934,"twenty":13.091072,"median":17.048052,"eighty":22.408264,"marketCap":6020127533},{"date":"2024-11-22","current":24.793515,"twenty":13.091072,"median":17.087781,"eighty":22.461853,"marketCap":5859327358},{"date":"2024-11-29","current":26.262398,"twenty":13.091072,"median":17.108083,"eighty":22.530318,"marketCap":6206461195},{"date":"2024-12-06","current":25.518953,"twenty":13.091072,"median":17.13662,"eighty":22.582508,"marketCap":6030766486},{"date":"2024-12-13","current":24.826957,"twenty":13.091072,"median":17.180143,"eighty":22.618819,"marketCap":5867230580},{"date":"2024-12-20","current":24.078367,"twenty":13.091072,"median":17.213866,"eighty":22.661183,"marketCap":5690319991},{"date":"2024-12-27","current":24.474528,"twenty":13.091072,"median":17.234806,"eighty":22.720075,"marketCap":5783942777},{"date":"2025-01-03","current":23.705358,"twenty":13.091072,"median":17.295008,"eighty":22.774385,"marketCap":5602168666},{"date":"2025-01-10","current":23.414668,"twenty":13.090384,"median":17.332266,"eighty":22.797159,"marketCap":5533471427},{"date":"2025-01-17","current":24.243005,"twenty":13.090384,"median":17.37456,"eighty":22.837081,"marketCap":5729228162},{"date":"2025-01-24","current":23.756807,"twenty":13.090384,"median":17.392039,"eighty":22.898845,"marketCap":5614327469},{"date":"2025-01-31","current":24.123771,"twenty":13.090384,"median":17.440188,"eighty":22.939438,"marketCap":4993620556},{"date":"2025-02-07","current":25.1605,"twenty":13.090384,"median":17.478225,"eighty":23.013437,"marketCap":5208223436},{"date":"2025-02-14","current":24.432214,"twenty":13.090384,"median":17.514904,"eighty":23.089781,"marketCap":5057761480},{"date":"2025-02-21","current":23.301365,"twenty":13.090384,"median":17.55474,"eighty":23.125047,"marketCap":4823662157},{"date":"2025-02-28","current":24.796435,"twenty":13.094512,"median":17.674127,"eighty":23.178746,"marketCap":5133159703},{"date":"2025-03-07","current":25.231151,"twenty":13.132016,"median":17.791305,"eighty":23.221548,"marketCap":5223151132},{"date":"2025-03-14","current":25.098974,"twenty":13.202011,"median":17.840781,"eighty":23.275629,"marketCap":5195788873},{"date":"2025-03-21","current":26.171078,"twenty":13.246726,"median":17.862953,"eighty":23.314302,"marketCap":5417727192},{"date":"2025-03-28","current":27.087506,"twenty":13.267557,"median":17.919312,"eighty":23.388708,"marketCap":5607438852},{"date":"2025-04-04","current":27.250221,"twenty":13.303142,"median":17.982479,"eighty":23.433446,"marketCap":5641122774},{"date":"2025-04-11","current":25.254083,"twenty":13.317915,"median":18.033695,"eighty":23.479367,"marketCap":5227898225},{"date":"2025-04-17","current":26.096571,"twenty":13.357497,"median":18.096601,"eighty":23.513309,"marketCap":5402303292},{"date":"2025-04-25","current":23.139515,"twenty":13.390348,"median":18.134611,"eighty":23.529215,"marketCap":5424179886},{"date":"2025-05-02","current":22.529508,"twenty":13.402579,"median":18.196793,"eighty":23.529215,"marketCap":5280691439},{"date":"2025-05-09","current":23.286628,"twenty":13.43042,"median":18.241003,"eighty":23.529215,"marketCap":5458152815},{"date":"2025-05-16","current":22.980669,"twenty":13.476725,"median":18.292108,"eighty":23.529215,"marketCap":5386438971},{"date":"2025-05-23","current":22.443943,"twenty":13.488791,"median":18.334034,"eighty":23.529215,"marketCap":5260635872},{"date":"2025-05-30","current":22.690267,"twenty":13.488791,"median":18.389265,"eighty":23.529215,"marketCap":5318371594},{"date":"2025-06-06","current":22.656559,"twenty":13.488791,"median":18.412295,"eighty":23.529215,"marketCap":5310470916},{"date":"2025-06-13","current":22.25207,"twenty":13.49737,"median":18.463113,"eighty":23.529215,"marketCap":5215662784},{"date":"2025-06-20","current":22.091312,"twenty":13.495313,"median":18.48547,"eighty":23.529488,"marketCap":5177982628},{"date":"2025-06-27","current":22.288371,"twenty":13.507657,"median":18.532447,"eighty":23.529488,"marketCap":5224171206},{"date":"2025-07-03","current":22.384307,"twenty":13.507657,"median":18.550883,"eighty":23.529488,"marketCap":5246657750},{"date":"2025-07-11","current":22.40505,"twenty":13.507657,"median":18.560151,"eighty":23.529488,"marketCap":5251519706},{"date":"2025-07-18","current":22.965112,"twenty":13.507657,"median":18.615572,"eighty":23.529488,"marketCap":5382792505},{"date":"2025-07-25","current":11.882014,"twenty":13.5056,"median":18.623167,"eighty":23.534683,"marketCap":4558083300},{"date":"2025-08-01","current":12.366671,"twenty":13.474282,"median":18.623167,"eighty":23.534683,"marketCap":4744498202},{"date":"2025-08-08","current":12.330192,"twenty":13.426541,"median":18.623167,"eighty":23.534683,"marketCap":4730502632},{"date":"2025-08-15","current":12.403151,"twenty":13.394799,"median":18.623167,"eighty":23.534683,"marketCap":4758493772},{"date":"2025-08-22","current":12.388876,"twenty":13.388284,"median":18.623167,"eighty":23.534683,"marketCap":4753017245},{"date":"2025-08-29","current":12.392049,"twenty":13.348951,"median":18.617484,"eighty":23.534683,"marketCap":4754234251},{"date":"2025-09-05","current":12.853598,"twenty":13.308393,"median":18.590649,"eighty":23.535205,"marketCap":4931308636},{"date":"2025-09-12","current":12.641063,"twenty":13.273125,"median":18.558297,"eighty":23.534683,"marketCap":4849769228},{"date":"2025-09-19","current":12.419012,"twenty":13.245526,"median":18.558297,"eighty":23.534683,"marketCap":4764578803},{"date":"2025-09-26","current":12.439631,"twenty":13.19834,"median":18.558297,"eighty":23.534683,"marketCap":4772489342},{"date":"2025-10-03","current":13.035997,"twenty":13.132007,"median":18.558297,"eighty":23.534683,"marketCap":5001286485},{"date":"2025-10-10","current":13.151781,"twenty":13.132007,"median":18.558297,"eighty":23.534683,"marketCap":5045707207},{"date":"2025-10-17","current":12.777466,"twenty":13.113637,"median":18.558297,"eighty":23.534683,"marketCap":4902100490},{"date":"2025-10-24","current":11.454541,"twenty":13.092448,"median":18.558297,"eighty":23.534683,"marketCap":4658699274},{"date":"2025-10-31","current":11.286773,"twenty":13.055513,"median":18.558297,"eighty":23.534683,"marketCap":4590488724},{"date":"2025-11-07","current":11.459068,"twenty":12.992689,"median":18.558297,"eighty":23.534683,"marketCap":4660563299},{"date":"2025-11-14","current":11.802171,"twenty":12.908497,"median":18.558297,"eighty":23.534683,"marketCap":4800108357},{"date":"2025-11-21","current":11.427877,"twenty":12.871045,"median":18.550883,"eighty":23.534683,"marketCap":4647877385},{"date":"2025-11-28","current":11.668495,"twenty":12.846863,"median":18.52346,"eighty":23.534683,"marketCap":4745740152},{"date":"2025-12-05","current":11.451641,"twenty":12.729125,"median":18.48547,"eighty":23.534683,"marketCap":4657542843},{"date":"2025-12-12","current":12.060613,"twenty":12.663268,"median":18.456061,"eighty":23.534683,"marketCap":4905220219},{"date":"2025-12-19","current":12.552247,"twenty":12.595067,"median":18.390909,"eighty":23.534683,"marketCap":5105174393},{"date":"2025-12-26","current":12.561158,"twenty":12.564931,"median":18.353201,"eighty":23.534683,"marketCap":5108798940},{"date":"2026-01-02","current":12.427482,"twenty":12.556702,"median":18.321264,"eighty":23.534683,"marketCap":5054430735},{"date":"2026-01-09","current":12.69632,"twenty":12.544312,"median":18.251618,"eighty":23.534683,"marketCap":5163771235},{"date":"2026-01-16","current":12.323511,"twenty":12.531624,"median":18.178476,"eighty":23.534683,"marketCap":5012144354},{"date":"2026-01-23","current":12.19429,"twenty":12.501746,"median":18.132183,"eighty":23.534683,"marketCap":4959588423},{"date":"2026-01-30","current":10.89022,"twenty":12.476496,"median":18.096601,"eighty":23.534683,"marketCap":5079198473},{"date":"2026-02-06","current":11.649219,"twenty":12.447448,"median":18.096601,"eighty":23.534683,"marketCap":5433195893},{"date":"2026-02-13","current":11.305035,"twenty":12.426942,"median":18.096601,"eighty":23.534683,"marketCap":5272792809},{"date":"2026-02-20","current":10.943058,"twenty":12.408699,"median":18.096601,"eighty":23.534683,"marketCap":5103962502}],"updateTime":1771906136614},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"SIGI\",pageSize:20,pageCount:1,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"20741893","market":"us","labels":[],"media":"sec.gov","original_id":"AN196430626000101-SIGI","pdf_url":"","pub_time":1771304400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"SIGI","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000196430626000101/0001964306-26-000101-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000196430626000101/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE4m2MRKZUFa8AWquu","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-02-17 13:00","pubTimestamp":1771304400,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20717211","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055726000006-SIGI","pdf_url":"","pub_time":1770675354000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"SIGI","title":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/230557/0000230557-26-000006-index.html","us_notice_code":"Form 10-K","us_title_en":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-20251231.htm","primary":true,"translateUrl":"","linkName":"sigi-20251231.htm","type":"10-K","id":"NTFILEA5jkwoAYpf64E19T","market":"us","size":7679018},{"description":"EX-21","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex21_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex21_12312025xq4.htm","type":"EX-21","id":"NTFILE73boXGWyzA1GFJup","market":"us","size":28413},{"description":"EX-23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex231_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex231_12312025xq4.htm","type":"EX-23.1","id":"NTFILE4vwokVECyzyq1crz","market":"us","size":3116},{"description":"EX-24.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex241poa_12312025xq4x.htm","primary":false,"translateUrl":"","linkName":"sigi-ex241poa_12312025xq4x.htm","type":"EX-24.1","id":"NTFILEFk837zVfGQXtoSYg","market":"us","size":4102},{"description":"EX-24.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex242poa_12312025xq4x.htm","primary":false,"translateUrl":"","linkName":"sigi-ex242poa_12312025xq4x.htm","type":"EX-24.2","id":"NTFILEHMci6ef7oYEZwhyJ","market":"us","size":3907},{"description":"EX-24.3","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex243poa_12312025xq4x.htm","primary":false,"translateUrl":"","linkName":"sigi-ex243poa_12312025xq4x.htm","type":"EX-24.3","id":"NTFILEHQZy3GKReDst8df4","market":"us","size":4586},{"description":"EX-24.4","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex244poa_12312025xq4x.htm","primary":false,"translateUrl":"","linkName":"sigi-ex244poa_12312025xq4x.htm","type":"EX-24.4","id":"NTFILE9Amf3iGiEUX5Arhb","market":"us","size":4031},{"description":"EX-24.5","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex245poa_12312025xq4x.htm","primary":false,"translateUrl":"","linkName":"sigi-ex245poa_12312025xq4x.htm","type":"EX-24.5","id":"NTFILE393WtB7Q7My4kcvX","market":"us","size":4097},{"description":"EX-24.6","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex246poa_12312025xq4x.htm","primary":false,"translateUrl":"","linkName":"sigi-ex246poa_12312025xq4x.htm","type":"EX-24.6","id":"NTFILED2BukuMbWqJGPvKY","market":"us","size":4048},{"description":"EX-24.7","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex247poa_1231205xq4xm.htm","primary":false,"translateUrl":"","linkName":"sigi-ex247poa_1231205xq4xm.htm","type":"EX-24.7","id":"NTFILE5CFtqpsoFEuiJSvT","market":"us","size":4340},{"description":"EX-24.8","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex248poa_12312025xq4x.htm","primary":false,"translateUrl":"","linkName":"sigi-ex248poa_12312025xq4x.htm","type":"EX-24.8","id":"NTFILEHiZhs4stFHrjjkjF","market":"us","size":4212},{"description":"EX-24.9","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex249poa_12312025xq4x.htm","primary":false,"translateUrl":"","linkName":"sigi-ex249poa_12312025xq4x.htm","type":"EX-24.9","id":"NTFILEEUaagKuA2EuyRgBU","market":"us","size":4017},{"description":"EX-24.10","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex2410poa_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex2410poa_12312025xq4.htm","type":"EX-24.10","id":"NTFILE2Y6wj9mqEB7fg2VX","market":"us","size":4695},{"description":"EX-24.11","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex2411poa_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex2411poa_12312025xq4.htm","type":"EX-24.11","id":"NTFILEHZbixHKTyA9WrTbh","market":"us","size":4173},{"description":"EX-31.1","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex311_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex311_12312025xq4.htm","type":"EX-31.1","id":"NTFILE5mrfk46tmZXycj7z","market":"us","size":10924},{"description":"EX-31.2","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex312_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex312_12312025xq4.htm","type":"EX-31.2","id":"NTFILEDikcUrNJsapEbYbf","market":"us","size":12211},{"description":"EX-32.1","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex321_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex321_12312025xq4.htm","type":"EX-32.1","id":"NTFILEE3ukyB6p7McMDcTn","market":"us","size":4019},{"description":"EX-32.2","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex322_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex322_12312025xq4.htm","type":"EX-32.2","id":"NTFILE4JvPrGUk3qaKTcRB","market":"us","size":4175},{"description":"EX-99.1","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-ex991_12312025xq4.htm","primary":false,"translateUrl":"","linkName":"sigi-ex991_12312025xq4.htm","type":"EX-99.1","id":"NTFILECkZJzjiwCVXHJJXr","market":"us","size":30696},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-20251231_g1.jpg","primary":false,"translateUrl":"","linkName":"sigi-20251231_g1.jpg","type":"GRAPHIC","id":"NTFILECFD216kXVaFBUb2f","market":"us","size":1088174},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-20251231_g2.gif","primary":false,"translateUrl":"","linkName":"sigi-20251231_g2.gif","type":"GRAPHIC","id":"NTFILE2DVrCFzcRNE4mvUC","market":"us","size":12283},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000006/sigi-20251231_g3.gif","primary":false,"translateUrl":"","linkName":"sigi-20251231_g3.gif","type":"GRAPHIC","id":"NTFILE3ZvDNexpDwcaTNmz","market":"us","size":14882}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2026-02-10 06:15","pubTimestamp":1770675354,"title_zh":"Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20705223","market":"us","labels":[],"media":"sec.gov","original_id":"AN196430626000084-SIGI","pdf_url":"","pub_time":1770267600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"SIGI","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000196430626000084/0001964306-26-000084-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000196430626000084/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE7hdrYxCZH6mcZELH","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-02-05 13:00","pubTimestamp":1770267600,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20688862","market":"us","labels":[],"media":"sec.gov","original_id":"AN197337926000023-SIGI","pdf_url":"","pub_time":1770008400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"SIGI","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000197337926000023/0001973379-26-000023-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000197337926000023/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE6cTC9mpYku2whgDi","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2026-02-02 13:00","pubTimestamp":1770008400,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20682892","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465926008618-SIGI","pdf_url":"","pub_time":1769749200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000110465926008618/0001104659-26-008618-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 3.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465926008618/tm264467d1_ex3-1.htm","primary":true,"translateUrl":"","linkName":"tm264467d1_ex3-1.htm","type":"EX-3.1","id":"NTFILE3Cs97oST85Xw4hNk","market":"us","size":74805},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465926008618/tm264467d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm264467d1_8k.htm","type":"8-K","id":"NTFILE2LpK25SCr1jtqnUo","market":"us","size":34576}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-01-30 13:00","pubTimestamp":1769749200,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20676721","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055726000003-SIGI","pdf_url":"","pub_time":1769662800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/0000230557-26-000003-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/q42025pressreleaseexh991.htm","primary":true,"translateUrl":"","linkName":"q42025pressreleaseexh991.htm","type":"EX-99.1","id":"NTFILE2g44zinKjhz33Kz5","market":"us","size":312159},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigi-20260129.htm","primary":false,"translateUrl":"","linkName":"sigi-20260129.htm","type":"8-K","id":"NTFILE8TFtrAqfyLMxYGfs","market":"us","size":29326},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/q42025pressreleasesuppleme.htm","primary":false,"translateUrl":"","linkName":"q42025pressreleasesuppleme.htm","type":"EX-99.2","id":"NTFILE7VFtrx3c5Dwtyn6u","market":"us","size":1761963},{"description":"EX-99.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv.htm","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv.htm","type":"EX-99.3","id":"NTFILE7FYZ8JQ1PcBZSZw2","market":"us","size":30807},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/image1a.gif","primary":false,"translateUrl":"","linkName":"image1a.gif","type":"GRAPHIC","id":"NTFILEA82M7QYq6PZ6ciqQ","market":"us","size":3895},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/selectiveinsurancergba.jpg","primary":false,"translateUrl":"","linkName":"selectiveinsurancergba.jpg","type":"GRAPHIC","id":"NTFILEBFgwcXvniW29Xp7R","market":"us","size":1088174},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv001.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv001.jpg","type":"GRAPHIC","id":"NTFILEBU5CTf3t1PJZLVJ1","market":"us","size":100739},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv002.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv002.jpg","type":"GRAPHIC","id":"NTFILE8RwsyMZ4WPi2vQt9","market":"us","size":191247},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv003.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv003.jpg","type":"GRAPHIC","id":"NTFILE48YtVubtP9ZMHkh5","market":"us","size":95053},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv004.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv004.jpg","type":"GRAPHIC","id":"NTFILE2gXCDq7AjV6CzW5B","market":"us","size":75286},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv005.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv005.jpg","type":"GRAPHIC","id":"NTFILEEYFVni4QyZG8uJpR","market":"us","size":105948},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv006.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv006.jpg","type":"GRAPHIC","id":"NTFILEEwMRf7KtxTHXF1qm","market":"us","size":107834},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv007.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv007.jpg","type":"GRAPHIC","id":"NTFILEfzLFaCJzFjzJqDCp","market":"us","size":128363},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv008.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv008.jpg","type":"GRAPHIC","id":"NTFILEBvkBFPZ5NJ9xJREh","market":"us","size":98704},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv009.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv009.jpg","type":"GRAPHIC","id":"NTFILEDpkRnBSvGe1SYiie","market":"us","size":98357},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv010.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv010.jpg","type":"GRAPHIC","id":"NTFILE442xNwSVEFByNHWn","market":"us","size":100924},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv011.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv011.jpg","type":"GRAPHIC","id":"NTFILE77jk3jyNsM4JXHDz","market":"us","size":147808},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv012.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv012.jpg","type":"GRAPHIC","id":"NTFILE4cjzYHUM7c7JVFYE","market":"us","size":72280},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv013.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv013.jpg","type":"GRAPHIC","id":"NTFILECzK1TXVNXZ4KZQ4K","market":"us","size":88503},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv014.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv014.jpg","type":"GRAPHIC","id":"NTFILEGRud96daCdbdhVdg","market":"us","size":138245},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv015.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv015.jpg","type":"GRAPHIC","id":"NTFILEEoXaSvzJEdmMZyAn","market":"us","size":112953},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv016.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv016.jpg","type":"GRAPHIC","id":"NTFILE7eiuQcM8nPhCs3GQ","market":"us","size":106934},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv017.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv017.jpg","type":"GRAPHIC","id":"NTFILEH3aA7tcddeXRdJS1","market":"us","size":107109},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv018.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv018.jpg","type":"GRAPHIC","id":"NTFILE4RziZZNqKvPhgton","market":"us","size":142101},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv019.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv019.jpg","type":"GRAPHIC","id":"NTFILEHm7WJXvZXd2VSF2s","market":"us","size":91069},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv020.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv020.jpg","type":"GRAPHIC","id":"NTFILETUFnKejbfpQoob3b","market":"us","size":124473},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv021.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv021.jpg","type":"GRAPHIC","id":"NTFILEFJXAwvx7bQaFaheb","market":"us","size":107214},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv022.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv022.jpg","type":"GRAPHIC","id":"NTFILEANtx1cYjZZqCLn32","market":"us","size":93967},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv023.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv023.jpg","type":"GRAPHIC","id":"NTFILE8wt6Pb912Jxo82Lc","market":"us","size":106672},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv024.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv024.jpg","type":"GRAPHIC","id":"NTFILEERgFb2FhxBZpaKmS","market":"us","size":105225},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv025.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv025.jpg","type":"GRAPHIC","id":"NTFILE49NmPaJxFAt7NRVr","market":"us","size":101028},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv026.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv026.jpg","type":"GRAPHIC","id":"NTFILE9bgHpjRiPCuMvTbb","market":"us","size":106015},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv027.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv027.jpg","type":"GRAPHIC","id":"NTFILEBpx3mpb7zQoGtzWc","market":"us","size":75625},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv028.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv028.jpg","type":"GRAPHIC","id":"NTFILEGpV1Uz4aUcAtVCEz","market":"us","size":77586},{"description":"","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv029.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv029.jpg","type":"GRAPHIC","id":"NTFILEEnps98hCG3iCeM29","market":"us","size":110002},{"description":"","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv030.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv030.jpg","type":"GRAPHIC","id":"NTFILE5JWQRjjdzsQmmV4T","market":"us","size":146156},{"description":"","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055726000003/sigifourthquarter2025inv031.jpg","primary":false,"translateUrl":"","linkName":"sigifourthquarter2025inv031.jpg","type":"GRAPHIC","id":"NTFILE5wwKsnrRsiaJf1z2","market":"us","size":100704}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2026-01-29 13:00","pubTimestamp":1769662800,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20361456","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465925105371-SIGI","pdf_url":"","pub_time":1762146000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000110465925105371/0001104659-25-105371-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925105371/tm2529946d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2529946d1_ex99-1.htm","type":"EX-99.1","id":"NTFILECx1yUYkVatNHpRkd","market":"us","size":7138},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925105371/tm2529946d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2529946d1_8k.htm","type":"8-K","id":"NTFILE5TbHdvcnjf3fxqRX","market":"us","size":33602},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925105371/image_001.jpg","primary":false,"translateUrl":"","linkName":"image_001.jpg","type":"GRAPHIC","id":"NTFILEGtqRawT7kZZfrJq9","market":"us","size":4949}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-11-03 13:00","pubTimestamp":1762146000,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20301363","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055725000025-SIGI","pdf_url":"","pub_time":1761278400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"SIGI","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000025/0000230557-25-000025-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000025/sigi-20250930.htm","primary":true,"translateUrl":"","linkName":"sigi-20250930.htm","type":"10-Q","id":"NTFILEE9mmtQ9u1Y8MNzeE","market":"us","size":3979424},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000025/sigi-ex311_9302025xq3.htm","primary":false,"translateUrl":"","linkName":"sigi-ex311_9302025xq3.htm","type":"EX-31.1","id":"NTFILE5J6Da4Lz4etc841y","market":"us","size":10871},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000025/sigi-ex312_9302025xq3.htm","primary":false,"translateUrl":"","linkName":"sigi-ex312_9302025xq3.htm","type":"EX-31.2","id":"NTFILE7jDUGsX2Pk2S8d1i","market":"us","size":10765},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000025/sigi-ex321_9302025xq3.htm","primary":false,"translateUrl":"","linkName":"sigi-ex321_9302025xq3.htm","type":"EX-32.1","id":"NTFILE9YdqbTsPMTErfbGL","market":"us","size":4723},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000025/sigi-ex322_9302025xq3.htm","primary":false,"translateUrl":"","linkName":"sigi-ex322_9302025xq3.htm","type":"EX-32.2","id":"NTFILEBxzdbkTFEyRy6Enr","market":"us","size":4734},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000025/sigi-20250930_g1.jpg","primary":false,"translateUrl":"","linkName":"sigi-20250930_g1.jpg","type":"GRAPHIC","id":"NTFILE4ASCxFYrcB8LVoad","market":"us","size":1088174}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-10-24 12:00","pubTimestamp":1761278400,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"20289903","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055725000022-SIGI","pdf_url":"","pub_time":1761105600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/0000230557-25-000022-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/q32025pressreleaseexh991.htm","primary":true,"translateUrl":"","linkName":"q32025pressreleaseexh991.htm","type":"EX-99.1","id":"NTFILEAc8r47QAF3xP3qCN","market":"us","size":310825},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigi-20251022.htm","primary":false,"translateUrl":"","linkName":"sigi-20251022.htm","type":"8-K","id":"NTFILE5Uz9RP8pHdHFjxWd","market":"us","size":32418},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/q32025pressreleasesuppleme.htm","primary":false,"translateUrl":"","linkName":"q32025pressreleasesuppleme.htm","type":"EX-99.2","id":"NTFILEGvKo3ah1SY81gwzA","market":"us","size":1760781},{"description":"EX-99.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve.htm","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve.htm","type":"EX-99.3","id":"NTFILE2qRMKdYVE7rUCzJw","market":"us","size":30997},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/image1a.gif","primary":false,"translateUrl":"","linkName":"image1a.gif","type":"GRAPHIC","id":"NTFILE8DL9QwcssBeGvtsd","market":"us","size":3895},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/selectiveinsurancergba.jpg","primary":false,"translateUrl":"","linkName":"selectiveinsurancergba.jpg","type":"GRAPHIC","id":"NTFILEGmUpK58pdfsv3JGj","market":"us","size":1088174},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve001.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve001.jpg","type":"GRAPHIC","id":"NTFILE3WDWyH1vRAcPdgxs","market":"us","size":100370},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve002.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve002.jpg","type":"GRAPHIC","id":"NTFILE5MB9cEzfPy26Sf2U","market":"us","size":192771},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve003.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve003.jpg","type":"GRAPHIC","id":"NTFILEGEwJs3cGZq9HMzgV","market":"us","size":95168},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve004.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve004.jpg","type":"GRAPHIC","id":"NTFILEAAv2zHQtqTWSVkg2","market":"us","size":75639},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve005.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve005.jpg","type":"GRAPHIC","id":"NTFILE4Em2J7LYe3Gc7Abk","market":"us","size":108804},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve006.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve006.jpg","type":"GRAPHIC","id":"NTFILE5AxMcGVjh6UQYVxS","market":"us","size":106292},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve007.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve007.jpg","type":"GRAPHIC","id":"NTFILE35NJ5fqxYBFxyi7Y","market":"us","size":128535},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve008.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve008.jpg","type":"GRAPHIC","id":"NTFILE9gzSbxZFw4coAD8z","market":"us","size":103987},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve009.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve009.jpg","type":"GRAPHIC","id":"NTFILEAAHbuM4dJv9JBJVM","market":"us","size":96609},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve010.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve010.jpg","type":"GRAPHIC","id":"NTFILEDJiHmgc26KXmVUm3","market":"us","size":99480},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve011.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve011.jpg","type":"GRAPHIC","id":"NTFILEEt7C5TSKcSoBw9EY","market":"us","size":147885},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve012.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve012.jpg","type":"GRAPHIC","id":"NTFILEpDnqpuBYMevNeETn","market":"us","size":75485},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve013.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve013.jpg","type":"GRAPHIC","id":"NTFILEEbQqMz4oiAB7eBJD","market":"us","size":88412},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve014.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve014.jpg","type":"GRAPHIC","id":"NTFILE7Hw37fTSva8jvXp6","market":"us","size":140965},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve015.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve015.jpg","type":"GRAPHIC","id":"NTFILEFgWE6pkfKSGf7YtX","market":"us","size":114478},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve016.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve016.jpg","type":"GRAPHIC","id":"NTFILEGzaCiKVJvmAjmDpQ","market":"us","size":112510},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve017.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve017.jpg","type":"GRAPHIC","id":"NTFILEJABghGXmdypM8qmw","market":"us","size":112028},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve018.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve018.jpg","type":"GRAPHIC","id":"NTFILEFxe1AWdsP2TUYki6","market":"us","size":145526},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve019.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve019.jpg","type":"GRAPHIC","id":"NTFILECW5QDnD3G6QWnpDB","market":"us","size":91121},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve020.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve020.jpg","type":"GRAPHIC","id":"NTFILE8d8k5RxRe5dRLuBM","market":"us","size":121847},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve021.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve021.jpg","type":"GRAPHIC","id":"NTFILE6CusCY9Mus6wC7L6","market":"us","size":107714},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve022.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve022.jpg","type":"GRAPHIC","id":"NTFILEHJWZgJBrk3ZpXBJf","market":"us","size":95205},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve023.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve023.jpg","type":"GRAPHIC","id":"NTFILE2RvSs5ehdPK9vo6D","market":"us","size":108850},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve024.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve024.jpg","type":"GRAPHIC","id":"NTFILE4rz8Sbdch8YkBp2x","market":"us","size":106487},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve025.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve025.jpg","type":"GRAPHIC","id":"NTFILE2NsnwtixhNv2Gc3t","market":"us","size":101413},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve026.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve026.jpg","type":"GRAPHIC","id":"NTFILE2RNUgvD75Rpsv8um","market":"us","size":109452},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve027.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve027.jpg","type":"GRAPHIC","id":"NTFILE3yQgwqo48ftGoZxD","market":"us","size":78601},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve028.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve028.jpg","type":"GRAPHIC","id":"NTFILEHTgZJF4WdqQaQtG7","market":"us","size":79827},{"description":"","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve029.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve029.jpg","type":"GRAPHIC","id":"NTFILEDXDKzr21WKFQ2vgr","market":"us","size":111910},{"description":"","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve030.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve030.jpg","type":"GRAPHIC","id":"NTFILEA6wfo45aD5dtsekq","market":"us","size":147229},{"description":"","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000022/sigithirdquarter2025inve031.jpg","primary":false,"translateUrl":"","linkName":"sigithirdquarter2025inve031.jpg","type":"GRAPHIC","id":"NTFILEF6PJZ2TVu5dA354v","market":"us","size":100335}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-10-22 12:00","pubTimestamp":1761105600,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19933688","market":"us","labels":[],"media":"sec.gov","original_id":"AN196430625000296-SIGI","pdf_url":"","pub_time":1753934400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"SIGI","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000196430625000296/0001964306-25-000296-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000196430625000296/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEF7Jt7RQvbWbKGxsc","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2025-07-31 12:00","pubTimestamp":1753934400,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19928205","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465925072210-SIGI","pdf_url":"","pub_time":1753848000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000110465925072210/0001104659-25-072210-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925072210/tm2522127d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2522127d1_ex99-1.htm","type":"EX-99.1","id":"NTFILE547AoJGM6JJmNNWd","market":"us","size":17898},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925072210/tm2522127d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2522127d1_8k.htm","type":"8-K","id":"NTFILE4fYfP4WkzrEa4sJ9","market":"us","size":33294},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925072210/tm2522127d1_ex99-1img01.jpg","primary":false,"translateUrl":"","linkName":"tm2522127d1_ex99-1img01.jpg","type":"GRAPHIC","id":"NTFILEC7qAjhE4L5Af2gHs","market":"us","size":17992}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-07-30 12:00","pubTimestamp":1753848000,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19912939","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055725000019-SIGI","pdf_url":"","pub_time":1753416000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"SIGI","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000019/0000230557-25-000019-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000019/sigi-20250630.htm","primary":true,"translateUrl":"","linkName":"sigi-20250630.htm","type":"10-Q","id":"NTFILEGGBepfHqkrKzHR3s","market":"us","size":3940358},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000019/sigi-ex311_6302025xq2.htm","primary":false,"translateUrl":"","linkName":"sigi-ex311_6302025xq2.htm","type":"EX-31.1","id":"NTFILEtt6kU1VeXraarTH4","market":"us","size":10868},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000019/sigi-ex312_6302025xq2.htm","primary":false,"translateUrl":"","linkName":"sigi-ex312_6302025xq2.htm","type":"EX-31.2","id":"NTFILEAzwSq27RoT18q98k","market":"us","size":10762},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000019/sigi-ex321_6302025xq2.htm","primary":false,"translateUrl":"","linkName":"sigi-ex321_6302025xq2.htm","type":"EX-32.1","id":"NTFILE5MUHBMEgsqxThtWr","market":"us","size":4715},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000019/sigi-ex322_6302025xq2.htm","primary":false,"translateUrl":"","linkName":"sigi-ex322_6302025xq2.htm","type":"EX-32.2","id":"NTFILE6hSfxvmm8jAD4otu","market":"us","size":4726},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000019/sigi-20250630_g1.jpg","primary":false,"translateUrl":"","linkName":"sigi-20250630_g1.jpg","type":"GRAPHIC","id":"NTFILE2zspFL3CggKCNcRB","market":"us","size":1088174}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-07-25 12:00","pubTimestamp":1753416000,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19905176","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055725000016-SIGI","pdf_url":"","pub_time":1753243200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/0000230557-25-000016-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/q22025pressreleaseexh991.htm","primary":true,"translateUrl":"","linkName":"q22025pressreleaseexh991.htm","type":"EX-99.1","id":"NTFILEDAypRwK9aNvWn7y7","market":"us","size":308942},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigi-20250723.htm","primary":false,"translateUrl":"","linkName":"sigi-20250723.htm","type":"8-K","id":"NTFILEEZdzD4MNSaVHApTe","market":"us","size":30303},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/q22025pressreleasesuppleme.htm","primary":false,"translateUrl":"","linkName":"q22025pressreleasesuppleme.htm","type":"EX-99.2","id":"NTFILEHtaQv5Gc4PkKcKfs","market":"us","size":1759436},{"description":"EX-99.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv.htm","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv.htm","type":"EX-99.3","id":"NTFILE8HGzBz5efQEEWgyy","market":"us","size":30956},{"description":"EX-99.4","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/q22025pressreleaselobsuppl.htm","primary":false,"translateUrl":"","linkName":"q22025pressreleaselobsuppl.htm","type":"EX-99.4","id":"NTFILEFLrNCgeZuDbN1Kxw","market":"us","size":1859318},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/image1.gif","primary":false,"translateUrl":"","linkName":"image1.gif","type":"GRAPHIC","id":"NTFILEFTLY44t7Cc5pNDR1","market":"us","size":3895},{"description":"","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/selectiveinsurancergb.jpg","primary":false,"translateUrl":"","linkName":"selectiveinsurancergb.jpg","type":"GRAPHIC","id":"NTFILE3Ngq9DWSmVDatz99","market":"us","size":1088174},{"description":"","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/selectiveinsurancergb1.jpg","primary":false,"translateUrl":"","linkName":"selectiveinsurancergb1.jpg","type":"GRAPHIC","id":"NTFILEEchjtAw78TApTkUK","market":"us","size":1088174},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv001.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv001.jpg","type":"GRAPHIC","id":"NTFILE9NT7Y8rJnhABMYRQ","market":"us","size":101134},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv002.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv002.jpg","type":"GRAPHIC","id":"NTFILE7W6cboCk4HQRS5cD","market":"us","size":192771},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv003.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv003.jpg","type":"GRAPHIC","id":"NTFILEGWZi1KNzLcjBaT9w","market":"us","size":95168},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv004.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv004.jpg","type":"GRAPHIC","id":"NTFILEF2myQkh8NYc5hb7g","market":"us","size":75639},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv005.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv005.jpg","type":"GRAPHIC","id":"NTFILEFWpEVjHWdLR4Dh4m","market":"us","size":108692},{"description":"","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv006.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv006.jpg","type":"GRAPHIC","id":"NTFILEJ7nHTRQnAVXwxzAg","market":"us","size":106292},{"description":"","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv007.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv007.jpg","type":"GRAPHIC","id":"NTFILEGdWtvY7MZWiVLGTK","market":"us","size":128535},{"description":"","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv008.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv008.jpg","type":"GRAPHIC","id":"NTFILE4TB7WnSyKLFvn4zH","market":"us","size":103890},{"description":"","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv009.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv009.jpg","type":"GRAPHIC","id":"NTFILEGsNohPkLiCNECPyH","market":"us","size":96609},{"description":"","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv010.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv010.jpg","type":"GRAPHIC","id":"NTFILE3rHRmDGkTUVhxSvo","market":"us","size":99500},{"description":"","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv011.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv011.jpg","type":"GRAPHIC","id":"NTFILED1WNiLxcqmXuT5Cj","market":"us","size":147908},{"description":"","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv012.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv012.jpg","type":"GRAPHIC","id":"NTFILE9ExeF1sRxwKHteSU","market":"us","size":75432},{"description":"","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv013.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv013.jpg","type":"GRAPHIC","id":"NTFILE8T2yu85qPPpVJzei","market":"us","size":88412},{"description":"","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv014.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv014.jpg","type":"GRAPHIC","id":"NTFILE3vbhTNNmDLh4Y7b2","market":"us","size":140848},{"description":"","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv015.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv015.jpg","type":"GRAPHIC","id":"NTFILE9PJ3P6P6tKnbMzz9","market":"us","size":114313},{"description":"","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv016.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv016.jpg","type":"GRAPHIC","id":"NTFILEC8Y6cV6gmQnLK43W","market":"us","size":112422},{"description":"","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv017.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv017.jpg","type":"GRAPHIC","id":"NTFILE44t2sK1aB5V5aoEi","market":"us","size":111578},{"description":"","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv018.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv018.jpg","type":"GRAPHIC","id":"NTFILEDDoxNxdugLcMvAoJ","market":"us","size":145354},{"description":"","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv019.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv019.jpg","type":"GRAPHIC","id":"NTFILE7fLe8TpW4VsGqDkU","market":"us","size":91121},{"description":"","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv020.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv020.jpg","type":"GRAPHIC","id":"NTFILE4mHcRx4TwqWSfuoL","market":"us","size":121847},{"description":"","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv021.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv021.jpg","type":"GRAPHIC","id":"NTFILEkZyTvC92qKpKN1Yh","market":"us","size":107695},{"description":"","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv022.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv022.jpg","type":"GRAPHIC","id":"NTFILEExJtB4wSVGnj5RzV","market":"us","size":95205},{"description":"","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv023.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv023.jpg","type":"GRAPHIC","id":"NTFILEA2xzGLy9YLyq53Vi","market":"us","size":109634},{"description":"","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv024.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv024.jpg","type":"GRAPHIC","id":"NTFILED8j3M6Lyhjmm9K9f","market":"us","size":107443},{"description":"","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv025.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv025.jpg","type":"GRAPHIC","id":"NTFILED2jer7ybsiM7fPkf","market":"us","size":102141},{"description":"","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv026.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv026.jpg","type":"GRAPHIC","id":"NTFILE5tCQA26U94QXQUAQ","market":"us","size":112565},{"description":"","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv027.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv027.jpg","type":"GRAPHIC","id":"NTFILE85MtKupTo3uTjmYE","market":"us","size":78562},{"description":"","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv028.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv028.jpg","type":"GRAPHIC","id":"NTFILEBbickYStXJuhiH8p","market":"us","size":79615},{"description":"","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv029.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv029.jpg","type":"GRAPHIC","id":"NTFILEGqWzva9kxsKovd1r","market":"us","size":111910},{"description":"","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv030.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv030.jpg","type":"GRAPHIC","id":"NTFILEGbMxDnCeqBTjRcmF","market":"us","size":147346},{"description":"","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000016/sigisecondquarter2025inv031.jpg","primary":false,"translateUrl":"","linkName":"sigisecondquarter2025inv031.jpg","type":"GRAPHIC","id":"NTFILEGC4S6JdqwBjNyBvX","market":"us","size":101256}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-07-23 12:00","pubTimestamp":1753243200,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19833489","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465925064709-SIGI","pdf_url":"","pub_time":1751342400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000110465925064709/0001104659-25-064709-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 1.02: Termination of a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925064709/tm2519506d1_ex10-1.htm","primary":true,"translateUrl":"","linkName":"tm2519506d1_ex10-1.htm","type":"EX-10.1","id":"NTFILEEphwuB9XDFLmtRN6","market":"us","size":833054},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925064709/tm2519506d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2519506d1_8k.htm","type":"8-K","id":"NTFILE7n8hyvtjCgwyQjs6","market":"us","size":36462}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-07-01 12:00","pubTimestamp":1751342400,"title_zh":"Form 8-K - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 1.02: Termination of a Material Definitive Agreement;\nItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19716603","market":"us","labels":[],"media":"sec.gov","original_id":"AN196430625000242-SIGI","pdf_url":"","pub_time":1748577600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"SIGI","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000196430625000242/0001964306-25-000242-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000196430625000242/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILE4n44WSuGBR9Cu3vF","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2025-05-30 12:00","pubTimestamp":1748577600,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19637519","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465925047847-SIGI","pdf_url":"","pub_time":1747108800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000110465925047847/0001104659-25-047847-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925047847/tm2514970d1_ex99-1.htm","primary":true,"translateUrl":"","linkName":"tm2514970d1_ex99-1.htm","type":"EX-99.1","id":"NTFILE315W3NzS8pNwfm9C","market":"us","size":19342},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925047847/tm2514970d1_8k.htm","primary":false,"translateUrl":"","linkName":"tm2514970d1_8k.htm","type":"8-K","id":"NTFILEGRbKrE1FtYcvzRke","market":"us","size":32276},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000110465925047847/tm2514970d1_ex99-1img001.jpg","primary":false,"translateUrl":"","linkName":"tm2514970d1_ex99-1img001.jpg","type":"GRAPHIC","id":"NTFILE2UMRZZoBrr2oYexG","market":"us","size":3249}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-05-13 12:00","pubTimestamp":1747108800,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19590163","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055725000012-SIGI","pdf_url":"","pub_time":1746072000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000012/0000230557-25-000012-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000012/sigi-20250430.htm","primary":true,"translateUrl":"","linkName":"sigi-20250430.htm","type":"8-K","id":"NTFILEEpCfSm4LGZPW61ey","market":"us","size":52624}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-05-01 12:00","pubTimestamp":1746072000,"title_zh":"Form 8-K - Current report","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19517384","market":"us","labels":[],"media":"sec.gov","original_id":"AN196430625000196-SIGI","pdf_url":"","pub_time":1745553600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 144 - Report of proposed sale of securities","symbol":"SIGI","title":"Form 144 - Report of proposed sale of securities","titleType":"Proposed Sale Of Securities","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000196430625000196/0001964306-25-000196-index.htm","us_notice_code":"Form 144","us_title_en":"Form 144 - Report of proposed sale of securities","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"null","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000196430625000196/xsl144X01/primary_doc.xml","primary":true,"translateUrl":"","linkName":"primary_doc.html","type":"144","id":"NTFILEEfH3PjFtgSFAS5gF","market":"us","size":0}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Proposed Sale Of Securities","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Proposed Sale Of Securities","pubTime":"2025-04-25 12:00","pubTimestamp":1745553600,"title_zh":"Form 144 - Report of proposed sale of securities","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19512837","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055725000010-SIGI","pdf_url":"","pub_time":1745553600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","symbol":"SIGI","title":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000010/0000230557-25-000010-index.htm","us_notice_code":"Form 10-Q","us_title_en":"Form 10-Q - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000010/sigi-20250331.htm","primary":true,"translateUrl":"","linkName":"sigi-20250331.htm","type":"10-Q","id":"NTFILE87EYvRupfgLHYijC","market":"us","size":3029448},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000010/sigi-ex311_3312025xq1.htm","primary":false,"translateUrl":"","linkName":"sigi-ex311_3312025xq1.htm","type":"EX-31.1","id":"NTFILEATsYZUpXtnek7bue","market":"us","size":11054},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000010/sigi-ex312_3312025xq1.htm","primary":false,"translateUrl":"","linkName":"sigi-ex312_3312025xq1.htm","type":"EX-31.2","id":"NTFILE8Pp58nyiDC786L8m","market":"us","size":10943},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000010/sigi-ex321_3312025xq1.htm","primary":false,"translateUrl":"","linkName":"sigi-ex321_3312025xq1.htm","type":"EX-32.1","id":"NTFILE4SAw9pdLtdoQg4dm","market":"us","size":4782},{"description":"EX-32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000010/sigi-ex322_3312025xq1.htm","primary":false,"translateUrl":"","linkName":"sigi-ex322_3312025xq1.htm","type":"EX-32.2","id":"NTFILEAZd8gwujYpnQjnZS","market":"us","size":4793},{"description":"null","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000010/sigi-20250331_g1.jpg","primary":false,"translateUrl":"","linkName":"sigi-20250331_g1.jpg","type":"GRAPHIC","id":"NTFILE3bkyZhZqjBMePNem","market":"us","size":1088174}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2025-04-25 12:00","pubTimestamp":1745553600,"title_zh":"Form 10-Q - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"19466826","market":"us","labels":[],"media":"sec.gov","original_id":"AN23055725000008-SIGI","pdf_url":"","pub_time":1745380800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Form 8-K - Current report","symbol":"SIGI","title":"Form 8-K - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/0000230557-25-000008-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/q12025pressreleaseexh991.htm","primary":true,"translateUrl":"","linkName":"q12025pressreleaseexh991.htm","type":"EX-99.1","id":"NTFILEFNYffJ7XL73NmCu6","market":"us","size":228245},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigi-20250423.htm","primary":false,"translateUrl":"","linkName":"sigi-20250423.htm","type":"8-K","id":"NTFILE4TgmEoK6sivGsGdy","market":"us","size":29679},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/q12025pressreleasesuppleme.htm","primary":false,"translateUrl":"","linkName":"q12025pressreleasesuppleme.htm","type":"EX-99.2","id":"NTFILEBYRyqiTgi8gB6EJ2","market":"us","size":1480983},{"description":"EX-99.3","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve.htm","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve.htm","type":"EX-99.3","id":"NTFILE3Zjw31ZB4SWXgMgZ","market":"us","size":27236},{"description":"null","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/image1.gif","primary":false,"translateUrl":"","linkName":"image1.gif","type":"GRAPHIC","id":"NTFILECRtqTS4aXE1nz3fp","market":"us","size":3895},{"description":"null","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/selectiveinsurancergba.jpg","primary":false,"translateUrl":"","linkName":"selectiveinsurancergba.jpg","type":"GRAPHIC","id":"NTFILE5K2RLRiJfxbQFRgn","market":"us","size":1088174},{"description":"null","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve001.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve001.jpg","type":"GRAPHIC","id":"NTFILE9z2qH76YKMZoCa13","market":"us","size":100343},{"description":"null","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve002.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve002.jpg","type":"GRAPHIC","id":"NTFILEFNLrtkkHfEi5te2t","market":"us","size":192771},{"description":"null","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve003.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve003.jpg","type":"GRAPHIC","id":"NTFILEAVfAFnrJckbGdcco","market":"us","size":95168},{"description":"null","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve004.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve004.jpg","type":"GRAPHIC","id":"NTFILEDNxUCbU1p5CYquMC","market":"us","size":75639},{"description":"null","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve005.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve005.jpg","type":"GRAPHIC","id":"NTFILEHKdJCnC39TxKViAF","market":"us","size":108793},{"description":"null","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve006.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve006.jpg","type":"GRAPHIC","id":"NTFILEEBzF1chEsmFvAt3N","market":"us","size":106292},{"description":"null","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve007.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve007.jpg","type":"GRAPHIC","id":"NTFILE3HeUppnTgSc1JerH","market":"us","size":128535},{"description":"null","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve008.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve008.jpg","type":"GRAPHIC","id":"NTFILEHw9MUCa3a6p2P7v9","market":"us","size":101751},{"description":"null","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve009.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve009.jpg","type":"GRAPHIC","id":"NTFILE5TVjQ2naP17cW27t","market":"us","size":94360},{"description":"null","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve010.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve010.jpg","type":"GRAPHIC","id":"NTFILEFWFrmGWsDGUQz5RY","market":"us","size":96944},{"description":"null","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve011.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve011.jpg","type":"GRAPHIC","id":"NTFILE3YC7jpr5JKsbkaPp","market":"us","size":141180},{"description":"null","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve012.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve012.jpg","type":"GRAPHIC","id":"NTFILE2JpPgJMuLaUWKzxv","market":"us","size":71519},{"description":"null","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve013.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve013.jpg","type":"GRAPHIC","id":"NTFILEisdLTkxcmQhs6Cus","market":"us","size":88412},{"description":"null","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve014.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve014.jpg","type":"GRAPHIC","id":"NTFILE5UxTqNhbqoZ5TuG7","market":"us","size":137167},{"description":"null","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve015.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve015.jpg","type":"GRAPHIC","id":"NTFILE3aAiwYSaH3sEWChB","market":"us","size":113145},{"description":"null","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve016.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve016.jpg","type":"GRAPHIC","id":"NTFILE7Rz59EtXdwnsYwAJ","market":"us","size":109656},{"description":"null","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve017.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve017.jpg","type":"GRAPHIC","id":"NTFILEDR6PzG3gBJLDrUAS","market":"us","size":109864},{"description":"null","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve018.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve018.jpg","type":"GRAPHIC","id":"NTFILE8xtupHcFXpR9fYRC","market":"us","size":145504},{"description":"null","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve019.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve019.jpg","type":"GRAPHIC","id":"NTFILEEAsjgJC46epHukNa","market":"us","size":91121},{"description":"null","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve020.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve020.jpg","type":"GRAPHIC","id":"NTFILEA5s33oDoQnY8BLG4","market":"us","size":121798},{"description":"null","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve021.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve021.jpg","type":"GRAPHIC","id":"NTFILEHb7PByBkovNTCGsV","market":"us","size":108373},{"description":"null","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve022.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve022.jpg","type":"GRAPHIC","id":"NTFILE52u8NCwpg9BA1kAU","market":"us","size":95205},{"description":"null","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve023.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve023.jpg","type":"GRAPHIC","id":"NTFILEBevUh7SF52piHVo6","market":"us","size":103222},{"description":"null","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve024.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve024.jpg","type":"GRAPHIC","id":"NTFILEftMb4R56CyYFh3kW","market":"us","size":77021},{"description":"null","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve025.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve025.jpg","type":"GRAPHIC","id":"NTFILEDvhwwYEB632JmcxG","market":"us","size":86122},{"description":"null","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve026.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve026.jpg","type":"GRAPHIC","id":"NTFILEGcVtqTEAW9BdeHsq","market":"us","size":111910},{"description":"null","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve027.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve027.jpg","type":"GRAPHIC","id":"NTFILEGfb2iQ9jeWk9xyos","market":"us","size":150950},{"description":"null","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/230557/000023055725000008/sigifirstquarter2025inve028.jpg","primary":false,"translateUrl":"","linkName":"sigifirstquarter2025inve028.jpg","type":"GRAPHIC","id":"NTFILE8o8CLsQftWsZoDQo","market":"us","size":100343}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2025-04-23 12:00","pubTimestamp":1745380800,"title_zh":"Form 8-K - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":9,"pageCount":1,"totalSize":168,"code":"91000000","status":"200"}]}}