Profusa, Inc. (PFSA)

Data as of Sep 4, 2026, from SEC Form 4 filings.

XNASSURGICAL & MEDICAL INSTRUMENTS & APPARATUSNet insider selling (90d)Watch PFSA

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Latest PFSA insider trades

HRT FINANCIAL LP - 10% Owner
Open-market sale$109K
Aug 17, 2026
HRT FINANCIAL LP - 10% Owner
Open-market sale$3K
Aug 14, 2026

About Profusa, Inc. (PFSA)

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.

Headquarters: NEW YORK, NY
Listed: 2025
Exchange: XNAS
Sector: Health Care

https://www.profusa.com SEC filings for PFSA on EDGAR

PFSA Form 4 activity by transaction type, last 90 days

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	8	1,294,305

PFSA insider transactions (Form 4)

23 Form 4 filings on record, the earliest from Jan 26, 2026, newest first.

Date	Insider	Transaction	Security	Shares	Price	Value
Aug 21, 2026	Fred S. Knechtel - Officer	Other	Common Stock	54,323^{footnote F1}	$0.00	-
Aug 21, 2026	Fred S. Knechtel - Officer	Other	Common Stock	301,991	$0.00	-
Footnote F1 (shares): Pro rata distribution from NorthView Sponsor I LLC, of which the reporting person is a manager.
Aug 21, 2026	Jack E. Stover - Officer	Other	Common Stock	32,018^{footnote F1}	$0.00	-
Aug 21, 2026	Jack E. Stover - Officer	Other	Common Stock	301,991	$0.00	-
Footnote F1 (shares): Pro rata distribution from NorthView Sponsor I LLC, of which the reporting person is a manager.
Aug 12, 2026	Fred S. Knechtel - Officer	Other	Common Stock	301,991^{footnote F1}	$4.28^{footnote F2}	$1.29M
Aug 12, 2026	Fred S. Knechtel - Officer	Other	Convertible Promissory Note	0	$0.00	-^{footnote F4}
Footnote F1 (shares): On August 12, 2026, 1,207,964 shares of Common Stock were issued upon conversion of a portion of the Convertible Promissory Note. Following a 1-for-4 reverse stock split effected after the conversion, the number of shares held became 301,991. Footnote F2 (price): The conversion price is equal to the higher of (i) $1.07 and (ii) the closing price of the Common Stock on the trading day immediately preceding the delivery of the Conversion Notice, as reported on The Nasdaq Stock Market, pursuant to Amendment No. 3 to the Note Modification… Full note on SEC EDGAR Footnote F4 (value): Represents the conversion of $1,292,521 principal amount of the Convertible Promissory Note into 1,207,964 shares of Common Stock (301,991 shares on a post-split basis), reflecting conversion at the $1.07 per share ($4.28 per share on a post-split basis) price pursuant to the… Full note on SEC EDGAR
Aug 12, 2026	Jack E. Stover - Officer	Other	Common Stock	301,991^{footnote F1}	$4.28^{footnote F2}	$1.29M
Aug 12, 2026	Jack E. Stover - Officer	Other	Convertible Promissory Note	0	$0.00	-^{footnote F4}
Footnote F1 (shares): On August 12, 2026, 1,207,964 shares of Common Stock were issued upon conversion of a portion of the Convertible Promissory Note. Following a 1-for-4 reverse stock split effected after the conversion, the number of shares held became 301,991. Footnote F2 (price): The conversion price is equal to the higher of (i) $1.07 and (ii) the closing price of the Common Stock on the trading day immediately preceding the delivery of the Conversion Notice, as reported on The Nasdaq Stock Market, pursuant to Amendment No. 3 to the Note Modification… Full note on SEC EDGAR Footnote F4 (value): Represents the conversion of $1,292,521 principal amount of the Convertible Promissory Note into 1,207,964 shares of Common Stock (301,991 shares on a post-split basis), reflecting conversion at the $1.07 per share ($4.28 per share on a post-split basis) price pursuant to the… Full note on SEC EDGAR
Aug 17, 2026	HRT FINANCIAL LP - 10% Owner	Open-market sale	Common Stock	18,395	$5.94	$109K
Aug 14, 2026	HRT FINANCIAL LP - 10% Owner	Open-market sale	Common Stock	3,163	$3.61	$3K
Aug 12, 2026	HRT FINANCIAL LP - 10% Owner	Open-market purchase	Common Stock	5,585	$3.86	$5K
Aug 13, 2026	HRT FINANCIAL LP - 10% Owner	Open-market sale	Common Stock	42,411	$3.55	$38K
Aug 10, 2026	HRT FINANCIAL LP - 10% Owner	Open-market purchase	Common Stock	4,016	$3.78	$4K
Aug 11, 2026	HRT FINANCIAL LP - 10% Owner	Open-market sale	Common Stock	2,280	$3.88	$2K
Aug 5, 2026	HRT FINANCIAL LP - 10% Owner	Open-market sale	Common Stock	383	$3.77	$361
Aug 6, 2026	HRT FINANCIAL LP - 10% Owner	Open-market purchase	Common Stock	926	$3.77	$873
Aug 7, 2026	HRT FINANCIAL LP - 10% Owner	Open-market sale	Common Stock	924	$3.78	$874
Aug 3, 2026	HRT FINANCIAL LP - 10% Owner	Open-market purchase	Common Stock	14,556	$3.83	$14K
Aug 4, 2026	HRT FINANCIAL LP - 10% Owner	Open-market purchase	Common Stock	1,368	$3.82	$1K
Jul 30, 2026	HRT FINANCIAL LP - 10% Owner	Open-market purchase	Common Stock	1,063	$4.04	$1K
Jul 31, 2026	HRT FINANCIAL LP - 10% Owner	Open-market purchase	Common Stock	8,811	$4.20	$9K
Jul 29, 2026	HRT FINANCIAL LP - 10% Owner	Open-market purchase	Common Stock	1,310	$4.04	$1K
May 4, 2026	Jack E. Stover - Director	Open-market purchase	Convertible Promissory Note	0	$186,979,600.00	-
May 4, 2026	Fred S. Knechtel - Officer	Open-market purchase	Convertible Promissory Note	0	$186,979,600.00	-
Jan 26, 2026	Peter O'Rourke - Director	Other	Common Stock	107,750	-^{footnote F1}	-
Jan 26, 2026	Peter O'Rourke - Director	Other	Warrants	15,250	$0.00	-
Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") to the Reporting Person of (i) 107,750 shares of Common Stock, and (ii) 15,250 warrants to purchase shares of Common Stock, in connection with a pro rata distribution of Issuer securities… Full note on SEC EDGAR
Jan 26, 2026	Jack E. Stover - Director	Other	Common Stock	553,665	-^{footnote F1}	-
Jan 26, 2026	Jack E. Stover - Director	Other	Warrants	380,280	$0.00	-
Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") to the Reporting Person of (i) 553,665 shares of Common Stock, and (ii) 380,280 warrants to purchase shares of Common Stock, in connection with a pro rata distribution of Issuer… Full note on SEC EDGAR
Jan 26, 2026	Lauren Chung - Director	Other	Common Stock	30,000	-^{footnote F1}	-
Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") to the Reporting Person of 30,000 shares of Common Stock in connection with a pro rata distribution of Issuer securities held by the Sponsor to its members.
Jan 26, 2026	Jack E. Stover - Director	Grant or award	Stock Options	221,794^{footnote F1}	$0.00	-
Jan 26, 2026	Jack E. Stover - Director	Grant or award	Stock Options	52,866^{footnote F2}	$0.00	-
Footnote F1 (shares): Represents an inaugural director award of options to purchase common stock. The options vest in three equal annual increments over a period of three years from the closing of the business combination between the Issuer (formerly known as NorthView Acquisition Corp.) and Profusa… Full note on SEC EDGAR Footnote F2 (shares): Represents an annual director award of options to purchase common stock. The options vest on the first anniversary of the Closing.
Jan 26, 2026	Rajesh Asarpota - Director	Grant or award	Stock Options	221,794^{footnote F1}	$0.00	-
Jan 26, 2026	Rajesh Asarpota - Director	Grant or award	Stock Options	52,866^{footnote F2}	$0.00	-
Footnote F1 (shares): Represents an inaugural director award of options to purchase common stock. The options vest in three equal annual increments over a period of three years from the closing of the business combination between the Issuer (formerly known as NorthView Acquisition Corp.) and Profusa… Full note on SEC EDGAR Footnote F2 (shares): Represents an annual director award of options to purchase common stock. The options vest on the first anniversary of the Closing.
Jan 26, 2026	Lauren Chung - Director	Grant or award	Stock Options	221,794^{footnote F1}	$0.00	-
Jan 26, 2026	Lauren Chung - Director	Grant or award	Stock Options	52,866^{footnote F2}	$0.00	-
Footnote F1 (shares): Represents an inaugural director award of options to purchase common stock. The options vest in three equal annual increments over a period of three years from the closing of the business combination between the Issuer (formerly known as NorthView Acquisition Corp.) and Profusa… Full note on SEC EDGAR Footnote F2 (shares): Represents an annual director award of options to purchase common stock. The options vest on the first anniversary of the Closing.
Jan 26, 2026	Peter O'Rourke - Director	Grant or award	Stock Options	221,794^{footnote F1}	$0.00	-
Jan 26, 2026	Peter O'Rourke - Director	Grant or award	Stock Options	52,866^{footnote F2}	$0.00	-
Footnote F1 (shares): Represents an inaugural director award of options to purchase common stock. The options vest in three equal annual increments over a period of three years from the closing of the business combination between the Issuer (formerly known as NorthView Acquisition Corp.) and Profusa… Full note on SEC EDGAR Footnote F2 (shares): Represents an annual director award of options to purchase common stock. The options vest on the first anniversary of the Closing.
Jan 26, 2026	NorthView Sponsor I, LLC - 10% Owner	Other	Common Stock	4,743,750	-^{footnote F1}	-
Jan 26, 2026	NorthView Sponsor I, LLC - 10% Owner	Other	Warrants	5,162,500	$0.00	-
Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") of (i) 4,743,750 shares of Common Stock, and (ii) 5,162,500 warrants to purchase shares of Common Stock, in connection with a pro rata distribution of Issuer securities held by the… Full note on SEC EDGAR
Jan 26, 2026	Fred S. Knechtel - Officer	Other	Common Stock	818,961	-^{footnote F1}	-
Jan 26, 2026	Fred S. Knechtel - Officer	Other	Warrants	516,863	$0.00	-
Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") to the Reporting Person of (i) 818,961 shares of Common Stock, and (ii) 516,863 warrants to purchase shares of Common Stock, in connection with a pro rata distribution of Issuer… Full note on SEC EDGAR

Recent PFSA Form 8-K filings

Read PFSA company news

Oct 9, 2026Item 4.01, 9.01

Read the filing on SEC EDGAR

Oct 5, 2026Item 1.01, 2.03, 9.01

Read the filing on SEC EDGAR

Sep 19, 2026Item 5.07

Read the filing on SEC EDGAR

Sep 16, 2026Item 1.01, 2.03, 9.01

PFSA insider trading FAQ

What is the latest insider trade for PFSA?

Profusa, Inc. (PFSA) had 12 insider filings in the last 90 days, with the most recent on 2026-09-04. The full record for PFSA runs to 23 Form 4 filings, the earliest from 2026-01-26. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying PFSA stock?

8 insider purchases of PFSA were filed in the last 90 days, totaling $37K.

How many insiders are selling PFSA stock?

6 insider sales of PFSA were filed in the last 90 days, totaling $153K.

Where can I see PFSA SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects PFSA Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Health Care companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Sep 4, 2026 - Fred S. Knechtel view on EDGAR
Sep 4, 2026 - Jack E. Stover view on EDGAR
Aug 20, 2026 - Fred S. Knechtel view on EDGAR
Aug 20, 2026 - Jack E. Stover view on EDGAR
Aug 19, 2026 - HRT FINANCIAL LP view on EDGAR
Aug 18, 2026 - HRT FINANCIAL LP view on EDGAR
Aug 14, 2026 - HRT FINANCIAL LP view on EDGAR
Aug 12, 2026 - HRT FINANCIAL LP view on EDGAR
Aug 10, 2026 - HRT FINANCIAL LP view on EDGAR

Related companies with recent insider activity

Learn more

Insider selling: signal or noise?: Why most insider sales are routine, and the few patterns worth a second look.
Insider activity in Health Care: Where PFSA's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market purchase

37,635

$37K

Open-market sale

67,556

$153K

Other acquisition / disposition

1,294,305

Date

Insider

Transaction

Security

Price

Value

Aug 21, 2026

Fred S. Knechtel - Officer

Other

Common Stock

54,323^{footnote F1}

$0.00

Aug 21, 2026

Fred S. Knechtel - Officer

Other

Common Stock

301,991

$0.00

Footnote F1 (shares): Pro rata distribution from NorthView Sponsor I LLC, of which the reporting person is a manager.

Aug 21, 2026

Jack E. Stover - Officer

Other

Common Stock

32,018^{footnote F1}

$0.00

Aug 21, 2026

Jack E. Stover - Officer

Other

Common Stock

301,991

$0.00

Footnote F1 (shares): Pro rata distribution from NorthView Sponsor I LLC, of which the reporting person is a manager.

Aug 12, 2026

Fred S. Knechtel - Officer

Other

Common Stock

301,991^{footnote F1}

$4.28^{footnote F2}

$1.29M

Aug 12, 2026

Fred S. Knechtel - Officer

Other

Convertible Promissory Note

$0.00

-^{footnote F4}

Footnote F1 (shares): On August 12, 2026, 1,207,964 shares of Common Stock were issued upon conversion of a portion of the Convertible Promissory Note. Following a 1-for-4 reverse stock split effected after the conversion, the number of shares held became 301,991.
Footnote F2 (price): The conversion price is equal to the higher of (i) $1.07 and (ii) the closing price of the Common Stock on the trading day immediately preceding the delivery of the Conversion Notice, as reported on The Nasdaq Stock Market, pursuant to Amendment No. 3 to the Note Modification… Full note on SEC EDGAR
Footnote F4 (value): Represents the conversion of $1,292,521 principal amount of the Convertible Promissory Note into 1,207,964 shares of Common Stock (301,991 shares on a post-split basis), reflecting conversion at the $1.07 per share ($4.28 per share on a post-split basis) price pursuant to the… Full note on SEC EDGAR

Aug 12, 2026

Jack E. Stover - Officer

Other

Common Stock

301,991^{footnote F1}

$4.28^{footnote F2}

$1.29M

Aug 12, 2026

Jack E. Stover - Officer

Other

Convertible Promissory Note

$0.00

-^{footnote F4}

Footnote F1 (shares): On August 12, 2026, 1,207,964 shares of Common Stock were issued upon conversion of a portion of the Convertible Promissory Note. Following a 1-for-4 reverse stock split effected after the conversion, the number of shares held became 301,991.
Footnote F2 (price): The conversion price is equal to the higher of (i) $1.07 and (ii) the closing price of the Common Stock on the trading day immediately preceding the delivery of the Conversion Notice, as reported on The Nasdaq Stock Market, pursuant to Amendment No. 3 to the Note Modification… Full note on SEC EDGAR
Footnote F4 (value): Represents the conversion of $1,292,521 principal amount of the Convertible Promissory Note into 1,207,964 shares of Common Stock (301,991 shares on a post-split basis), reflecting conversion at the $1.07 per share ($4.28 per share on a post-split basis) price pursuant to the… Full note on SEC EDGAR

Aug 17, 2026

HRT FINANCIAL LP - 10% Owner

Open-market sale

Common Stock

18,395

$5.94

$109K

Aug 14, 2026

HRT FINANCIAL LP - 10% Owner

Open-market sale

Common Stock

3,163

$3.61

$3K

Aug 12, 2026

HRT FINANCIAL LP - 10% Owner

Open-market purchase

Common Stock

5,585

$3.86

$5K

Aug 13, 2026

HRT FINANCIAL LP - 10% Owner

Open-market sale

Common Stock

42,411

$3.55

$38K

Aug 10, 2026

HRT FINANCIAL LP - 10% Owner

Open-market purchase

Common Stock

4,016

$3.78

$4K

Aug 11, 2026

HRT FINANCIAL LP - 10% Owner

Open-market sale

Common Stock

2,280

$3.88

$2K

Aug 5, 2026

HRT FINANCIAL LP - 10% Owner

Open-market sale

Common Stock

383

$3.77

$361

Aug 6, 2026

HRT FINANCIAL LP - 10% Owner

Open-market purchase

Common Stock

926

$3.77

$873

Aug 7, 2026

HRT FINANCIAL LP - 10% Owner

Open-market sale

Common Stock

924

$3.78

$874

Aug 3, 2026

HRT FINANCIAL LP - 10% Owner

Open-market purchase

Common Stock

14,556

$3.83

$14K

Aug 4, 2026

HRT FINANCIAL LP - 10% Owner

Open-market purchase

Common Stock

1,368

$3.82

$1K

Jul 30, 2026

HRT FINANCIAL LP - 10% Owner

Open-market purchase

Common Stock

1,063

$4.04

$1K

Jul 31, 2026

HRT FINANCIAL LP - 10% Owner

Open-market purchase

Common Stock

8,811

$4.20

$9K

Jul 29, 2026

HRT FINANCIAL LP - 10% Owner

Open-market purchase

Common Stock

1,310

$4.04

$1K

May 4, 2026

Jack E. Stover - Director

Open-market purchase

Convertible Promissory Note

$186,979,600.00

May 4, 2026

Fred S. Knechtel - Officer

Open-market purchase

Convertible Promissory Note

$186,979,600.00

Jan 26, 2026

Peter O'Rourke - Director

Other

Common Stock

107,750

-^{footnote F1}

Jan 26, 2026

Peter O'Rourke - Director

Other

Warrants

15,250

$0.00

Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") to the Reporting Person of (i) 107,750 shares of Common Stock, and (ii) 15,250 warrants to purchase shares of Common Stock, in connection with a pro rata distribution of Issuer securities… Full note on SEC EDGAR

Jan 26, 2026

Jack E. Stover - Director

Other

Common Stock

553,665

-^{footnote F1}

Jan 26, 2026

Jack E. Stover - Director

Other

Warrants

380,280

$0.00

Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") to the Reporting Person of (i) 553,665 shares of Common Stock, and (ii) 380,280 warrants to purchase shares of Common Stock, in connection with a pro rata distribution of Issuer… Full note on SEC EDGAR

Jan 26, 2026

Lauren Chung - Director

Other

Common Stock

30,000

-^{footnote F1}

Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") to the Reporting Person of 30,000 shares of Common Stock in connection with a pro rata distribution of Issuer securities held by the Sponsor to its members.

Jan 26, 2026

Jack E. Stover - Director

Grant or award

Stock Options

221,794^{footnote F1}

$0.00

Jan 26, 2026

Jack E. Stover - Director

Grant or award

Stock Options

52,866^{footnote F2}

$0.00

Footnote F1 (shares): Represents an inaugural director award of options to purchase common stock. The options vest in three equal annual increments over a period of three years from the closing of the business combination between the Issuer (formerly known as NorthView Acquisition Corp.) and Profusa… Full note on SEC EDGAR
Footnote F2 (shares): Represents an annual director award of options to purchase common stock. The options vest on the first anniversary of the Closing.

Jan 26, 2026

Rajesh Asarpota - Director

Grant or award

Stock Options

221,794^{footnote F1}

$0.00

Jan 26, 2026

Rajesh Asarpota - Director

Grant or award

Stock Options

52,866^{footnote F2}

$0.00

Footnote F1 (shares): Represents an inaugural director award of options to purchase common stock. The options vest in three equal annual increments over a period of three years from the closing of the business combination between the Issuer (formerly known as NorthView Acquisition Corp.) and Profusa… Full note on SEC EDGAR
Footnote F2 (shares): Represents an annual director award of options to purchase common stock. The options vest on the first anniversary of the Closing.

Jan 26, 2026

Lauren Chung - Director

Grant or award

Stock Options

221,794^{footnote F1}

$0.00

Jan 26, 2026

Lauren Chung - Director

Grant or award

Stock Options

52,866^{footnote F2}

$0.00

Footnote F1 (shares): Represents an inaugural director award of options to purchase common stock. The options vest in three equal annual increments over a period of three years from the closing of the business combination between the Issuer (formerly known as NorthView Acquisition Corp.) and Profusa… Full note on SEC EDGAR
Footnote F2 (shares): Represents an annual director award of options to purchase common stock. The options vest on the first anniversary of the Closing.

Jan 26, 2026

Peter O'Rourke - Director

Grant or award

Stock Options

221,794^{footnote F1}

$0.00

Jan 26, 2026

Peter O'Rourke - Director

Grant or award

Stock Options

52,866^{footnote F2}

$0.00

Footnote F1 (shares): Represents an inaugural director award of options to purchase common stock. The options vest in three equal annual increments over a period of three years from the closing of the business combination between the Issuer (formerly known as NorthView Acquisition Corp.) and Profusa… Full note on SEC EDGAR
Footnote F2 (shares): Represents an annual director award of options to purchase common stock. The options vest on the first anniversary of the Closing.

Jan 26, 2026

NorthView Sponsor I, LLC - 10% Owner

Other

Common Stock

4,743,750

-^{footnote F1}

Jan 26, 2026

NorthView Sponsor I, LLC - 10% Owner

Other

Warrants

5,162,500

$0.00

Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") of (i) 4,743,750 shares of Common Stock, and (ii) 5,162,500 warrants to purchase shares of Common Stock, in connection with a pro rata distribution of Issuer securities held by the… Full note on SEC EDGAR

Jan 26, 2026

Fred S. Knechtel - Officer

Other

Common Stock

818,961

-^{footnote F1}

Jan 26, 2026

Fred S. Knechtel - Officer

Other

Warrants

516,863

$0.00

Footnote F1 (price): Represents the distribution for no consideration by NorthView Sponsor I LLC (the "Sponsor") to the Reporting Person of (i) 818,961 shares of Common Stock, and (ii) 516,863 warrants to purchase shares of Common Stock, in connection with a pro rata distribution of Issuer… Full note on SEC EDGAR