STOCK TITAN

Profusa (PFSA) 10% owner HRT FINANCIAL reports net sale of 36,826 shares

(Neutral)
(Negative)
Form Type
4

Rhea-AI Filing Summary

HRT FINANCIAL LP, a more than ten percent owner of Profusa, Inc., reported mixed trading in Profusa common stock. On August 13, 2026, it sold 42,411 shares at $0.888 per share. On August 12, 2026, it purchased 5,585 shares at $0.964 per share. Overall, these transactions represent a net sale of 36,826 shares.

Positive

  • None.

Negative

  • None.
Insider HRT FINANCIAL LP
Role 10% Owner
Bought 5,585 shs ($5K)
Sold 42,411 shs ($38K)
Type Security Shares Price Value
Sale Common Stock 42,411 $0.888 $38K
Purchase Common Stock 5,585 $0.964 $5K
Holdings After Transaction: Common Stock — 74,198 shares (Direct)
Shares sold 42,411 shares Common stock sale on August 13, 2026 at $0.888 per share
Sale price $0.888 per share Price for 42,411 Profusa common shares sold on August 13, 2026
Shares purchased 5,585 shares Common stock purchase on August 12, 2026 at $0.964 per share
Purchase price $0.964 per share Price for 5,585 Profusa common shares bought on August 12, 2026
Net shares sold 36,826 shares Net of 5,585 shares bought and 42,411 shares sold by HRT FINANCIAL LP
Form 4 regulatory
"HRT FINANCIAL LP is required to be reported on Form 4"
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.
ten percent owner regulatory
"HRT FINANCIAL LP is identified as a more than ten percent owner"
open market or private transaction financial
"Sale in open market or private transaction"
Rule 10b5-1 regulatory
"The filing’s Rule 10b5-1 checkbox is not checked"
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.

FAQ

What insider activity did HRT FINANCIAL LP report for Profusa, Inc. (PFSA)?

HRT FINANCIAL LP reported both a sale and a purchase of Profusa common stock, with one transaction on August 12, 2026 and another on August 13, 2026, resulting in a net sale position.

How many Profusa (PFSA) shares did HRT FINANCIAL LP sell and at what price?

HRT FINANCIAL LP sold 42,411 shares of Profusa common stock on August 13, 2026 at a price of $0.888 per share in an open market or private transaction.

How many Profusa (PFSA) shares did HRT FINANCIAL LP buy and at what price?

HRT FINANCIAL LP bought 5,585 shares of Profusa common stock on August 12, 2026 at a price of $0.964 per share, recorded as a purchase in an open market or private transaction.

What is the net share impact of HRT FINANCIAL LP’s recent Profusa (PFSA) trades?

Combining both reported trades, HRT FINANCIAL LP had a net sale of 36,826 shares of Profusa common stock, based on 5,585 shares purchased and 42,411 shares sold.

Is HRT FINANCIAL LP a significant shareholder of Profusa (PFSA)?

Yes. HRT FINANCIAL LP is identified as a more than ten percent owner of Profusa, Inc., meaning its trading activity can be material and is required to be reported on Form 4.

Were HRT FINANCIAL LP’s Profusa (PFSA) trades made under a Rule 10b5-1 plan?

The filing’s Rule 10b5-1 checkbox is not checked, and there are no related footnotes, so these transactions are not identified in the filing as being made under a 10b5-1 trading plan.

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

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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)
DirectorX10% 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)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/12/2026P5,585A$0.964116,609D
Common Stock08/13/2026S42,411D$0.88874,198D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
Adam Nunes08/14/2026
** Signature of Reporting PersonDate
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)