Bradford K. Towne - 26 Aug 2025 Form 3 Insider Report for SeaStar Medical Holding Corp (ICU)

Role: Principal Accounting Officer
Signature: /s/ Bradford K Towne
Issuer symbol: ICU
Transactions as of: 26 Aug 2025
Net transactions value: $0
Form type: 3
Filing time: 09 Sep 2025, 17:16:55 UTC
Next filing: 10 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Towne Bradford K	Principal Accounting Officer	3513 BRIGHTON BOULEVARD, SUITE 410, DENVER	/s/ Bradford K Towne	09 Sep 2025	0001728197

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ICU	Common Stock, par value $0.0001 per share						15,500	26 Aug 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.

Content

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.