[Form 3] SeaStar Medical Holding Corporation Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

SeaStar Medical Holding Corp (ICU) Form 3 filed by Bradford K. Towne reports beneficial ownership of 15,500 shares of common stock. The filing is an initial statement under Section 16 and reflects stock awards rather than open-market purchases.

The 15,500 shares include 5,000 restricted stock units (RSUs) from an April 12, 2024 grant of 8,000 RSUs that vest monthly through February 2028 and 7,500 RSUs granted April 1, 2025 that vest in three equal tranches on April 1, 2026, 2027 and 2028. Towne is identified as the issuer's Principal Accounting Officer. The event date triggering the report is 08/26/2025 and the form is signed on 09/09/2025.

Positive

• Insider alignment: Ownership consists mainly of time‑vested RSUs that tie executive compensation to long‑term shareholder value.
• Transparency: Form 3 timely discloses the insider position and detailed vesting schedules for the RSU grants.

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine initial ownership disclosure showing executive equity via time‑based RSUs, aligning incentives with shareholders.

The Form 3 is a standard initial Section 16 filing disclosing 15,500 common shares beneficially owned by Bradford Towne, primarily in the form of restricted stock units that vest over multi‑year schedules. This type of disclosure is typical for newly reported insiders or newly granted awards and signals alignment of management compensation with shareholder outcomes without indicating any immediate liquidity events. No derivative securities or pledges are reported.

Financial Analyst

TL;DR: Ownership disclosure is modest in size and driven by service‑based equity grants rather than purchases.

Towne's reported 15,500 shares consist of vested and unvested RSUs from two grants with explicit vesting schedules through 2028. For investors, the filing documents insider alignment but does not reflect market transactions, cash investment, or material changes to outstanding share counts. The absence of options, convertible securities or indirect holdings keeps this filing straightforward and routine.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Towne Bradford K

(Last) (First) (Middle)

3513 BRIGHTON BOULEVARD, SUITE 410

(Street)

DENVER CO 80216

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/26/2025

3. Issuer Name and Ticker or Trading Symbol
SeaStar Medical Holding Corp [ ICU ]

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.0001 per share	15,500(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 5,000 restricted stock units from a grant of 8,000 restricted stock units on April 12, 2024. The remaining 5,000 restricted stock unites vest on a monthly basis through February 2028. Also includes 7,500 restricted stock units granted on April 1, 2025 that vest 1/3 on April 1, 2026, 1/3 on April 1, 2027 and 1/3 on April 1, 2028. Each restricted stock unit represents a contingent right to receive one share of common stock.

Remarks:

	/s/ Bradford K Towne	09/09/2025
	** 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 5 (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.

FAQ

What did Bradford K. Towne report on the Form 3 for SeaStar Medical (ICU)?

The Form 3 reports beneficial ownership of 15,500 shares of common stock, primarily consisting of restricted stock units from grants dated April 12, 2024 and April 1, 2025.

How do Towne's restricted stock units vest?

5,000 RSUs from the April 12, 2024 grant vest monthly through February 2028; 7,500 RSUs from April 1, 2025 vest in three equal tranches on April 1, 2026, 2027 and 2028.

What is Bradford Towne's role at SeaStar Medical as reported on the form?

The filing lists Bradford K. Towne as the company's Principal Accounting Officer.

Does the Form 3 show any derivative securities or indirect holdings?

No. The filing lists only non‑derivative common stock (including RSUs) and does not report any derivative securities or indirect beneficial ownership.

When was the event date that triggered this Form 3 and when was it signed?

The event date is 08/26/2025 and the form is signed by Bradford K. Towne on 09/09/2025.