SeaStar Medical (ICU) CMO Kevin Chung receives 15,000-share RSU award

Rhea-AI Filing Summary

SeaStar Medical Holding Corp’s Chief Medical Officer Kevin Chung reported receiving 15,000 shares of common stock as a restricted stock unit (RSU) award on February 6, 2026. The RSUs vest in equal installments on the first, second, and third anniversaries of that date. After this grant, Chung beneficially owned 20,819 shares directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Chung Kevin

Role Chief Medical Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.0001	15,000	$0.00	--

Holdings After Transaction: Common Stock, par value $0.0001 — 20,819 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Chung Kevin

(Last) (First) (Middle)

3513 BRIGHTON BLVD

SUITE 410

(Street)

DENVER C0 80216

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

4. 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 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, par value $0.0001	02/06/2026		A		15,000(1)	A	$0	20,819	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:

1. Represents an RSU award. The RSU award vests in equal installments on the first, second and third anniversaries of February 6, 2026

	/s/ Eric Schlorff as-attorney-in-fact	02/10/2026
	** 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.

FAQ

What insider transaction did SeaStar Medical (ICU) report for Kevin Chung?

SeaStar Medical reported that Chief Medical Officer Kevin Chung received 15,000 shares of common stock as a restricted stock unit award on February 6, 2026. This was recorded as an acquisition at a price of $0 per share under a Form 4 filing.

How many SeaStar Medical (ICU) shares does Kevin Chung own after this RSU grant?

After the reported RSU grant, Kevin Chung beneficially owned 20,819 shares of SeaStar Medical common stock directly. This total includes the 15,000-share restricted stock unit award that was reported as acquired on February 6, 2026, in the Form 4 filing.

How do Kevin Chung’s SeaStar Medical (ICU) RSUs vest over time?

Kevin Chung’s restricted stock unit award vests in three equal installments. The RSUs vest on the first, second, and third anniversaries of February 6, 2026, meaning the award is spread evenly across three years, subject to those specific anniversary dates for each vesting tranche.

What was the reported price for Kevin Chung’s SeaStar Medical (ICU) RSU grant?

The 15,000-share restricted stock unit grant to Kevin Chung was reported at a price of $0 per share. This reflects that RSUs are typically granted as equity compensation rather than purchased in the open market, as shown in the Form 4 transaction details.

What role does Kevin Chung hold at SeaStar Medical (ICU) in this Form 4?

In this Form 4, Kevin Chung is identified as an officer of SeaStar Medical, specifically serving as Chief Medical Officer. He is not listed as a director or a 10% owner, and the reported transaction relates to his equity compensation in that executive role.

Was Kevin Chung’s SeaStar Medical (ICU) RSU transaction direct or indirect ownership?

The Form 4 indicates that Kevin Chung’s ownership after the RSU grant is direct. The 20,819 shares beneficially owned, including the 15,000-share RSU award, are reported with an ownership form of “D,” specifying direct beneficial ownership with no indirect ownership nature disclosed.