HRT FINANCIAL LP (PFSA) reports August net share purchase in Profusa

Rhea-AI Filing Summary

HRT FINANCIAL LP, a ten percent owner of Profusa, Inc., reported mixed trading in the company’s common stock. On 10 August 2026 it purchased 4,016 shares at $0.944 per share, and on 11 August 2026 it sold 2,280 shares at $0.97 per share.

Insider Trade Summary

Net Buyer: 1,736 shares

Net Buy 2 txns

Insider HRT FINANCIAL LP

Role 10% Owner

Bought 4,016 shs ($4K)

Sold 2,280 shs ($2K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,280	$0.97	$2K
Purchase	Common Stock	4,016	$0.944	$4K

Holdings After Transaction: Common Stock — 111,024 shares (Direct)

Key Figures

Shares purchased: 4,016 shares Purchase price: $0.944 per share Shares sold: 2,280 shares +2 more

5 metrics

Shares purchased 4,016 shares Common Stock purchased on 10 August 2026 at $0.944 per share

Purchase price $0.944 per share Price for 4,016 Profusa common shares bought on 10 August 2026

Shares sold 2,280 shares Common Stock sold on 11 August 2026 at $0.97 per share

Sale price $0.97 per share Price for 2,280 Profusa common shares sold on 11 August 2026

Net shares bought 1,736 shares Net of 4,016 shares purchased and 2,280 shares sold in August 2026

Key Terms

ten percent owner, Form 4, open market or private transaction, Rule 10b5-1

4 terms

ten percent owner regulatory

"HRT FINANCIAL LP is identified as a ten percent owner of Profusa, Inc."

Form 4 regulatory

"HRT FINANCIAL LP reported these transactions in a Form 4 insider filing."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

open market or private transaction financial

"The sale code description notes a sale in open market or private transaction."

Rule 10b5-1 regulatory

"The filing includes a Rule 10b5-1 checkbox for trading plans."

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/12/2026 - 03:13 PM Accepted by SEC EDGAR 08/12/2026 - 03:13 PM Learn about SEC filing dates

FAQ

What insider transactions did HRT FINANCIAL LP report for Profusa (PFSA)?

HRT FINANCIAL LP reported a purchase of 4,016 shares at $0.944 on 10 August 2026 and a sale of 2,280 shares at $0.97 on 11 August 2026, both in Profusa common stock.

Was the overall trading by HRT FINANCIAL LP in PFSA stock net buying or selling?

Across the reported transactions, HRT FINANCIAL LP was a net buyer of 1,736 shares of Profusa common stock. It bought 4,016 shares and sold 2,280 shares over two consecutive trading days in August 2026.

At what prices did HRT FINANCIAL LP trade Profusa (PFSA) shares?

HRT FINANCIAL LP purchased shares at $0.944 per share on 10 August 2026 and sold shares at $0.97 per share on 11 August 2026, according to the reported Form 4 transactions.

What is HRT FINANCIAL LP’s role in Profusa (PFSA)?

HRT FINANCIAL LP is identified as a ten percent owner of Profusa, Inc. in the Form 4. It is not listed as a director or officer, but holds a significant ownership stake based on the filing’s reporting-person information.

Were HRT FINANCIAL LP’s PFSA trades under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as a trading plan, and no footnotes describe a 10b5-1 arrangement. The reported August 2026 transactions are therefore not indicated as made under such a pre-arranged plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HRT FINANCIAL LP

(Last) (First) (Middle)

3 WORLD TRADE CENTER, 175 GREENWICH STRE

76TH FLOOR

(Street)

NEW YORK NEW YORK 10007

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Profusa, Inc. [ PFSA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/10/2026		P		4,016	A	$0.944	113,304	D
Common Stock	08/11/2026		S		2,280	D	$0.97	111,024	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Adam Nunes	08/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)