Latest filingAug 20, 2026Most recent Form 4
PFSA
Profusa, Inc.
NasdaqHealthcareSurgical & Medical Instruments & Apparatus
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$11.2M2 sells
Net open-market-$11.2M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period6transactions
- C · Code C · dominant4 · 67%
- S · Open-market sells2 · 33%
Activity by reported role
A joint filing can contribute to multiple roles6transactions
- 10% owner · dominant2 · 33%
- Chief executive officer2 · 33%
- Chief financial officer2 · 33%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (3)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeHrt Financial LpCommon Stock · Direct
0Aug 17, 2026
Stover Jack ECommon Stock · Indirect · By NorthView Sponsor I LLC
301,991Aug 12, 2026
Knechtel Fred S.Common Stock · Indirect · By NorthView Sponsor I LLC
301,991Aug 12, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- KS+$1.3M
- SE+$1.3M
- HL-$112.1k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
PFSA transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| PFSA | Knechtel Fred S. | CFO | unknown | — | — | C | −62.0% | 08/20 | 08/12 | |
| PFSA | Knechtel Fred S. | CFO | unknown | 301k | $129M | C | −62.0% | 08/20 | 08/12 | |
| PFSA | STOVER JACK E | CEO | unknown | — | — | C | −62.0% | 08/20 | 08/12 | |
| PFSA | STOVER JACK E | CEO | unknown | 301k | $129M | C | −62.0% | 08/20 | 08/12 | |
| PFSA | HRT FINANCIAL LP | 10% | sale | 18.3k | -$10.9M | S | −78.8% | 08/19 | 08/17 | |
| PFSA | HRT FINANCIAL LP | 10% | sale | 3.16k | -$285k | S | −89.5% | 08/18 | 08/14 |
Profusa, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Profusa, Inc.?
Knechtel Fred S., STOVER JACK E, HRT FINANCIAL LP.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Hrt Financial Lp reported a sale on Aug 17, 2026 valued at $10.9M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $112,119.33. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.