SeaStar Medical (ICU) grants CMO 7,202 restricted stock units

Rhea-AI Filing Summary

Chung Kevin reported acquisition or exercise transactions in this Form 4 filing.

SeaStar Medical Holding Corp reported that Chief Medical Officer Kevin Chung received a grant of 7,202 shares of common stock in the form of restricted stock units. These RSUs were awarded at no cash cost to him as part of his compensation.

The award will vest in three equal installments on July 1, 2026, November 1, 2026, and March 1, 2027. After this grant, Chung directly holds 28,021 shares of SeaStar Medical common stock, showing his equity-based alignment with the company’s long-term performance.

Insider Trade Summary

Net Buyer: 7,202 shares

Net Buy 1 txn

Insider Chung Kevin

Role Chief Medical Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.0001	7,202	$0.00	$0.00

Holdings After Transaction: Common Stock, par value $0.0001 — 28,021 shares (Direct)

Footnotes (1)

1. F1. Represents a restricted stock unit award ("RSU"). The RSU will vest in three equal installment on July 1, 2026, November 1, 2026, and March 1, 2027.

Key Figures

RSU grant size: 7,202 shares Shares owned after grant: 28,021 shares Grant price per share: $0.0000 per share +3 more

6 metrics

RSU grant size 7,202 shares Restricted stock unit award to Chief Medical Officer

Shares owned after grant 28,021 shares Total direct holdings following the RSU award

Grant price per share $0.0000 per share Compensation-related grant, no cash paid by insider

First vesting date July 1, 2026 First of three equal RSU vesting installments

Second vesting date November 1, 2026 Second RSU vesting installment

Third vesting date March 1, 2027 Final RSU vesting installment

Key Terms

restricted stock unit, RSU, transaction code "A", Chief Medical Officer

4 terms

restricted stock unit financial

"Represents a restricted stock unit award ("RSU")."

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

RSU financial

"Represents a restricted stock unit award ("RSU")."

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

transaction code "A" financial

"transaction_code_description": "Grant, award, or other acquisition""

Chief Medical Officer financial

""officer_title": "Chief Medical Officer""

A chief medical officer is a senior executive responsible for overseeing the health and medical strategies within an organization, often in the healthcare or pharmaceutical sectors. They play a key role in guiding decisions related to medical research, product safety, and healthcare policies, which can impact a company's reputation and success. For investors, understanding the chief medical officer's role helps gauge how well a company manages medical risks and advances its healthcare goals.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 05:11 PM Accepted by SEC EDGAR 07/02/2026 - 05:10 PM Learn about SEC filing dates

FAQ

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

SeaStar Medical reported that Chief Medical Officer Kevin Chung received a grant of 7,202 restricted stock units of common stock. This is a compensation-related equity award, not an open-market purchase or sale, and it increases his direct ownership stake in the company.

How many SeaStar Medical shares does Kevin Chung hold after this Form 4 filing?

Following the restricted stock unit grant, Kevin Chung directly holds 28,021 shares of SeaStar Medical common stock. This figure includes the newly awarded 7,202 RSUs, which will vest over time according to the disclosed vesting schedule in the filing footnote.

What is the vesting schedule for Kevin Chung’s 7,202 SeaStar Medical RSUs?

The 7,202 restricted stock units awarded to Kevin Chung will vest in three equal installments. Vesting dates are July 1, 2026, November 1, 2026, and March 1, 2027, aligning the award with multi-year service and performance at SeaStar Medical Holding Corp.

Did Kevin Chung buy or sell SeaStar Medical (ICU) shares on the open market?

The filing shows a grant of restricted stock units to Kevin Chung, not an open-market trade. The transaction code is a grant or award acquisition at a stated price of $0.0000 per share, reflecting compensation rather than a discretionary market purchase or sale.

What does the transaction code 'A' mean in Kevin Chung’s SeaStar Medical Form 4?

In this Form 4, the transaction code "A" indicates a grant, award, or other acquisition of securities. For Kevin Chung, it represents a compensation-related restricted stock unit award of 7,202 shares, rather than an open-market buy or sell of SeaStar Medical stock.

Is Kevin Chung’s SeaStar Medical RSU award a derivative security?

The reported transaction is categorized as a non-derivative security, even though it is structured as restricted stock units. The Form 4 describes the security as common stock with a par value, granted at no cash cost, with vesting over specified future dates.

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 COLORADO 80216

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

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

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.0001	07/01/2026		A		7,202(1)	A	$0	28,021	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 a restricted stock unit award ("RSU"). The RSU will vest in three equal installment on July 1, 2026, November 1, 2026, and March 1, 2027.

	/s/ Eric Schlorff as-attorney-in-fact	07/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)