Insiders At Costco Wholesale Sold US$34m In Stock, Alluding To Potential Weakness

Simply Wall St.
Aug 19
NasdaqGS:COST 1 Year Share Price vs Fair Value
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The fact that multiple Costco Wholesale Corporation (NASDAQ:COST) insiders offloaded a considerable amount of shares over the past year could have raised some eyebrows amongst investors. When evaluating insider transactions, knowing whether insiders are buying is usually more beneficial than knowing whether they are selling, as the latter can be open to many interpretations. However, if numerous insiders are selling, shareholders should investigate more.

While we would never suggest that investors should base their decisions solely on what the directors of a company have been doing, we do think it is perfectly logical to keep tabs on what insiders are doing.

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The Last 12 Months Of Insider Transactions At Costco Wholesale

In the last twelve months, the biggest single sale by an insider was when the insider, James Klauer, sold US$3.9m worth of shares at a price of US$981 per share. So we know that an insider sold shares at around the present share price of US$979. We generally don't like to see insider selling, but the lower the sale price, the more it concerns us. In this case, the big sale took place at around the current price, so it's not too bad (but it's still not a positive).

Insiders in Costco Wholesale didn't buy any shares in the last year. You can see the insider transactions (by companies and individuals) over the last year depicted in the chart below. If you click on the chart, you can see all the individual transactions, including the share price, individual, and the date!

See our latest analysis for Costco Wholesale

NasdaqGS:COST Insider Trading Volume August 19th 2025

I will like Costco Wholesale better if I see some big insider buys. While we wait, check out this free list of undervalued and small cap stocks with considerable, recent, insider buying.

Costco Wholesale Insiders Are Selling The Stock

Over the last three months, we've seen significant insider selling at Costco Wholesale. In total, insiders sold US$9.5m worth of shares in that time, and we didn't record any purchases whatsoever. Overall this makes us a bit cautious, but it's not the be all and end all.

Does Costco Wholesale Boast High Insider Ownership?

I like to look at how many shares insiders own in a company, to help inform my view of how aligned they are with insiders. I reckon it's a good sign if insiders own a significant number of shares in the company. It's great to see that Costco Wholesale insiders own 0.2% of the company, worth about US$724m. Most shareholders would be happy to see this sort of insider ownership, since it suggests that management incentives are well aligned with other shareholders.

What Might The Insider Transactions At Costco Wholesale Tell Us?

Insiders sold Costco Wholesale shares recently, but they didn't buy any. Looking to the last twelve months, our data doesn't show any insider buying. On the plus side, Costco Wholesale makes money, and is growing profits. While insiders do own a lot of shares in the company (which is good), our analysis of their transactions doesn't make us feel confident about the company. So these insider transactions can help us build a thesis about the stock, but it's also worthwhile knowing the risks facing this company. You'd be interested to know, that we found 1 warning sign for Costco Wholesale and we suggest you have a look.

If you would prefer to check out another company -- one with potentially superior financials -- then do not miss this free list of interesting companies, that have HIGH return on equity and low debt.

For the purposes of this article, insiders are those individuals who report their transactions to the relevant regulatory body. We currently account for open market transactions and private dispositions of direct interests only, but not derivative transactions or indirect interests.

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Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team (at) simplywallst.com.This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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