Comparable stake leader
Ascent Partners Fund LLC
SEC ownership of Profusa, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001859807.
Disclosed value leader
Fred S. Knechtel
Comparable rows
13/18
Latest evidence
28 Jul 2026
- Public ticker
- PFSA on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Ascent Partners Fund LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
13 of 18
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Ascent Partners Fund LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
28 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001859807
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Profusa, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Ascent Partners Fund LLC
Disclosed value leader
Fred S. Knechtel
Comparable rows
13/18
Latest evidence
28 Jul 2026
13D/G
3/4/5
13F
Lead comparable stake: 10%
5 rows are not safely comparable across share classes.
13D/G row: Ascent Partners Fund LLC
Showing 1-8 of 18 holder rows.
Quick read
Ascent Partners Fund LLC leads the comparable SEC ownership view at 10%.
13 of 18 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Ascent Partners Fund LLC's linked filing trail.
Comparable ownership
Top 5
Ascent Partners Fund LLC
10%
Harraden Circle Investments, LLC
2.1%
HRT FINANCIAL LP
19%
Ben C. Hwang
16%
CITADEL ADVISORS LLC
5.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 18 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Ascent Partners Fund LLC |
13D/G
|
10%
|
$7,637
58,749 shares
|
-$69,115 | 30 Jun 2026 |
| Harraden Circle Investments, LLC |
13D/G
|
2.1%
|
—
110,000 shares
|
$0 | 31 Mar 2025 |
| HRT FINANCIAL LP |
3/4/5
10%+ Owner
|
19%
|
$12,798
109,669 shares
|
— | 28 Jul 2026 |
| Ben C. Hwang |
3/4/5
Chief Executive Officer, Director
|
16%
|
—
844,228 shares
|
— | 11 Jul 2025 |
| CITADEL ADVISORS LLC |
13F
Company
|
5.2%
|
$15,638
30,844 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
5.2%
|
$15,575
30,721 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
0.67%
|
$1,997
3,939 shares
|
— | 31 Mar 2026 |
| Tower Research Capital LLC (TRC) |
13F
Company
|
0.3%
|
$908
1,791 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 06 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-9 of 9 reporting-owner rows connected to Profusa, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Largest Forms 3/4/5 holder
Fred S. Knechtel
Net 12M change
$0
Latest report
28 Jul 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Fred S. Knechtel | Chief Financial Officer | $85,827 | Mixed | 04 May 2026 | ||
| Jack E. Stover | Director | $58,024 | Mixed | 04 May 2026 | ||
| HRT FINANCIAL LP | 10%+ Owner | $12,798 | Median | 28 Jul 2026 | ||
| Peter O'Rourke | Director | $11,292 | Mixed | 26 Jan 2026 | ||
| Lauren Chung | Director | $3,144 | Mixed | 26 Jan 2026 | ||
| NorthView Sponsor I, LLC | 10%+ Owner | $0 | Mixed | 26 Jan 2026 | ||
| Ed Sylvester Johnson | Director | Mixed | 20 Dec 2021 | |||
| Ben C. Hwang | Chief Executive Officer, Director | Mixed | 11 Jul 2025 | |||
| Rajesh Asarpota | Director | Mixed | 26 Jan 2026 |
Recent insider transactions for Profusa, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Hrt Financial Lp | PFSA | Common Stock | Purchase | 1.26% | 1,368 | 109,669 | 04 Aug 2026 | Direct | ||
| Hrt Financial Lp | PFSA | Common Stock | Purchase | 15.5% | 14,556 | 108,301 | 03 Aug 2026 | Direct | ||
| Hrt Financial Lp | PFSA | Common Stock | Purchase | 10.4% | 8,811 | 93,745 | 31 Jul 2026 | Direct | ||
| Hrt Financial Lp | PFSA | Common Stock | Purchase | 1.27% | 1,063 | 84,934 | 30 Jul 2026 | Direct | ||
| Hrt Financial Lp | PFSA | Common Stock | Purchase | 1.59% | 1,310 | 83,871 | 29 Jul 2026 | Direct | ||
| Jack E. Stover | PFSA | Convertible Promissory Note | Purchase | 0 | $1,869,796 | 04 May 2026 | By NorthView Sponsor I LLC | |||
| Fred S. Knechtel | PFSA | Convertible Promissory Note | Purchase | 0 | $1,869,796 | 04 May 2026 | By NorthView Sponsor I LLC | |||
| Jack E. Stover | PFSA | Stock Options | Award | 274,660 | 221,794 | 26 Jan 2026 | Direct | |||
| Peter O Rourke | PFSA | Stock Options | Award | 274,660 | 221,794 | 26 Jan 2026 | Direct | |||
| Lauren Chung | PFSA | Stock Options | Award | 274,660 | 221,794 | 26 Jan 2026 | Direct | |||
| Rajesh Asarpota | PFSA | Stock Options | Award | 274,660 | 221,794 | 26 Jan 2026 | Direct | |||
| NorthView Sponsor I, LLC | PFSA | Common Stock | Other | -100% | -4,743,750 | 0 | 26 Jan 2026 | Direct | ||
| NorthView Sponsor I, LLC | PFSA | Warrants | Other | 5,162,500 | 0 | 26 Jan 2026 | Direct | |||
| Fred S. Knechtel | PFSA | Common Stock | Other | 818,961 | 818,961 | 26 Jan 2026 | Direct | |||
| Fred S. Knechtel | PFSA | Warrants | Other | 516,863 | 516,863 | 26 Jan 2026 | Direct | |||
| Peter O Rourke | PFSA | Common Stock | Other | 107,750 | 107,750 | 26 Jan 2026 | Direct | |||
| Peter O Rourke | PFSA | Warrants | Other | 15,250 | 15,250 | 26 Jan 2026 | Direct | |||
| Lauren Chung | PFSA | Common Stock | Other | 30,000 | 30,000 | 26 Jan 2026 | Direct | |||
| Jack E. Stover | PFSA | Common Stock | Other | 553,665 | 553,665 | 26 Jan 2026 | Direct | |||
| Jack E. Stover | PFSA | Warrants | Other | 380,280 | 380,280 | 26 Jan 2026 | Direct |
* marks a reported price that did not pass the local price check.