Profusa PFSA Insider Ownership

Updated Oct 10, 2026

In the last 12 months, insiders at Profusa made open-market purchases of $36,946 and open-market sales of $153,227.

• Among Profusa insiders, HRT Financial LP (10% owner) led open-market buying over the past 12 months with $36,946 of purchases; the latest was on August 12, 2026.
• Conversely, HRT Financial LP (10% owner) was PFSA's largest open-market seller in the past 12 months, with $153,227 of sales; the latest was on August 17, 2026.
• Per Business Quant, PFSA insiders together hold 86.58K shares based on their latest Form 4 filings, or 14.30% of the 605.65K shares outstanding.
• None of the 86.58K shares held by Profusa insiders is held through trusts, partnerships or family members; all are direct holdings.
• PFSA's insider total is spread across 4 insiders who have filed a Form 4 in the past two years.
• PFSA's largest insider holders by reported holdings are Fred S. Knechtel (Chief Financial Officer, 54.47K shares), Jack E. Stover (Chief Executive Officer, 32.09K shares) and Peter O'Rourke (Director, 14 shares).
• The largest insider, Fred S. Knechtel, holds 62.91% of PFSA's insider total.
• A total of 21 Form 4 filings with transactions in Profusa stock were made over the past 12 months, by 7 insiders.
• The insider data for PFSA reflects Form 4 filings through September 4, 2026.