Kenneth van Heel - 26 Aug 2025 Form 4 Insider Report for SeaStar Medical Holding Corp (ICU)

Role: Director
Signature: /s/ Eric Schlorff, as attorney-in-fact
Issuer symbol: ICU
Transactions as of: 26 Aug 2025
Net transactions value: +$30,812
Form type: 4
Filing time: 28 Aug 2025, 17:28:58 UTC
Previous filing: 16 Jul 2025
Next filing: 10 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Van Heel Kenneth	Director	C/O SEASTAR MEDICAL HOLDING CORPORATION, 3513 BRIGHTON BLVD., SUITE 410, DENVER	/s/ Eric Schlorff, as attorney-in-fact	28 Aug 2025	0001613111

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ICU	Common Stock, par value $0.0001 per share	Purchase	$22,248	+25,000	+174%	$0.8899	39,400	26 Aug 2025	Direct	F1
transaction	ICU	Common Stock, par value $0.0001 per share	Purchase	$8,565	+10,000	+25%	$0.8565	49,400	27 Aug 2025	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The price reported in Row 1, Column 4 is a weighted average price of $0.8899. These shares were purchased in multiple transactions at prices ranging from $0.885 to $0.89 inclusive. The reporting person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased at each separate price.
F2	The price reported in Row 2, Column 4 is a weighted average price of $0.8565. These shares were purchased in multiple transactions at prices ranging from $0.8531 to $0.8599 inclusive. The reporting person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Content

The price reported in Row 1, Column 4 is a weighted average price of $0.8899. These shares were purchased in multiple transactions at prices ranging from $0.885 to $0.89 inclusive. The reporting person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased at each separate price.

The price reported in Row 2, Column 4 is a weighted average price of $0.8565. These shares were purchased in multiple transactions at prices ranging from $0.8531 to $0.8599 inclusive. The reporting person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased at each separate price.