By Denny Jacob
Heartflow shares surged 49% after their trading debut, boosting the stock further after its initial public offering was ramped up in recent days.
Shares were changing hands at around $28.33 in midday trading Friday.
The Mountain View, Calif., coronary-care company on Thursday said it was selling nearly 16.7 million shares at $19 each in the IPO. The company earlier this week boosted the IPO to 16.7 million shares priced at between $17 and $18 each from prior plans to offer 12.5 million shares at between $15 and $17 apiece.
Write to Denny Jacob at denny.jacob@wsj.com
(END) Dow Jones Newswires
August 08, 2025 13:31 ET (17:31 GMT)
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