Profusa, Inc. (PFSA)
$2.87-$0.06 (-2.16%) TodayExtended Hours
Profusa Inc is a clinical-stage digital health and medical technology company. The Company's technology enables the development of bioengineered sensors that are designed to become one with the body to detect and continuously transmit actionable, clinical-grade data for personal and medical use. The Company's first offering in the European Union, the Lumee Oxygen Platform, is designed to report reliable tissue oxygen levels at various regions of interest, both acutely and long-term. The Lumee Oxygen Platform has been designed for use in applications where monitoring of compromised tissue is beneficial, such as peripheral artery disease that results in narrowing of blood vessels and reduced blood flow to the lower limbs; chronic wounds that do not heal properly; and reconstructive surgery.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 8 | 37,635 | $37K |
| Open-market sale | 6 | 67,556 | $153K |
| Other acquisition / disposition | 4 | 603,982 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
21 Form 4 filings on record, the earliest from Jan 26, 2026, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Fred S. Knechtel - Officer | Other | Common Stock | 301,991 | $17.12 | $1.29M | |
| Fred S. Knechtel - Officer | Other | Convertible Promissory Note | 0 | $0.00 | - | |
| Jack E. Stover - Officer | Other | Common Stock | 301,991 | $17.12 | $1.29M | |
| Jack E. Stover - Officer | Other | Convertible Promissory Note | 0 | $0.00 | - | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 18,395 | $5.94 | $109K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 3,163 | $3.61 | $3K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 5,585 | $3.86 | $5K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 42,411 | $3.55 | $38K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 4,016 | $3.78 | $4K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 2,280 | $3.88 | $2K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 383 | $3.77 | $361 | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 926 | $3.77 | $873 | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 924 | $3.78 | $874 | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 14,556 | $3.83 | $14K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 1,368 | $3.82 | $1K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 1,063 | $4.04 | $1K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 8,811 | $4.20 | $9K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 1,310 | $4.04 | $1K | |
| Jack E. Stover - Director | Open-market purchase | Convertible Promissory Note | 0 | $186,979,600.00 | - | |
| Fred S. Knechtel - Officer | Open-market purchase | Convertible Promissory Note | 0 | $186,979,600.00 | - | |
| Peter O'Rourke - Director | Other | Common Stock | 107,750 | - | - | |
| Peter O'Rourke - Director | Other | Warrants | 15,250 | $0.00 | - | |
| Jack E. Stover - Director | Other | Common Stock | 553,665 | - | - | |
| Jack E. Stover - Director | Other | Warrants | 380,280 | $0.00 | - | |
| Lauren Chung - Director | Other | Common Stock | 30,000 | - | - | |
| Jack E. Stover - Director | Grant or award | Stock Options | 221,794 | $0.00 | - | |
| Jack E. Stover - Director | Grant or award | Stock Options | 52,866 | $0.00 | - | |
| Rajesh Asarpota - Director | Grant or award | Stock Options | 221,794 | $0.00 | - | |
| Rajesh Asarpota - Director | Grant or award | Stock Options | 52,866 | $0.00 | - | |
| Lauren Chung - Director | Grant or award | Stock Options | 221,794 | $0.00 | - | |
| Lauren Chung - Director | Grant or award | Stock Options | 52,866 | $0.00 | - | |
| Peter O'Rourke - Director | Grant or award | Stock Options | 221,794 | $0.00 | - | |
| Peter O'Rourke - Director | Grant or award | Stock Options | 52,866 | $0.00 | - | |
| NorthView Sponsor I, LLC - 10% Owner | Other | Common Stock | 4,743,750 | - | - | |
| NorthView Sponsor I, LLC - 10% Owner | Other | Warrants | 5,162,500 | $0.00 | - | |
| Fred S. Knechtel - Officer | Other | Common Stock | 818,961 | - | - | |
| Fred S. Knechtel - Officer | Other | Warrants | 516,863 | $0.00 | - |
Profusa, Inc. (PFSA) had 10 insider filings in the last 90 days, with the most recent on 2026-08-20. The full record for PFSA runs to 21 Form 4 filings, the earliest from 2026-01-26. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
8 insider purchases of PFSA were filed in the last 90 days, totaling $37K.
6 insider sales of PFSA were filed in the last 90 days, totaling $153K.
This page tracks PFSA Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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