SeaStar Medical director receives 4,000 RSUs

Van Heel Kenneth reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 07/02/2026 - 05:08 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Van Heel Kenneth reported acquisition or exercise transactions in this Form 4 filing.

SeaStar Medical Holding Corp director Kenneth Van Heel received a grant of 4,000 restricted stock units. These RSUs vest in full on July 1, 2027, meaning he will receive the underlying shares if he remains eligible on that date. After this award, he directly holds 11,940 shares of common stock.

Insider Trade Summary

Grant/Award: 4,000 shares

Grant/Award 1 txn

Insider Van Heel Kenneth

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.0001	4,000	$0.00	$0.00

Holdings After Transaction: Common Stock, par value $0.0001 — 11,940 shares (Direct)

Footnotes (1)

1. F1. Represent a restricted stock unit award ("RSU"). The RSUs will vest in full on July 1, 2027.

Key Figures

RSU grant size: 4,000 units Post-transaction holdings: 11,940 shares RSU vesting date: July 1, 2027

3 metrics

RSU grant size 4,000 units Restricted stock units awarded to director on July 1, 2026

Post-transaction holdings 11,940 shares Common stock held directly after the RSU award

RSU vesting date July 1, 2027 Date when all 4,000 RSUs vest in full

Key Terms

restricted stock unit, RSU, transaction code A, Form 4

4 terms

restricted stock unit financial

"Represent a restricted stock unit award ("RSU"). The RSUs will vest in full on July 1, 2027."

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

"Represent a restricted stock unit award ("RSU"). The RSUs will vest in full on July 1, 2027."

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

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SeaStar Medical (ICU) report for Kenneth Van Heel?

SeaStar Medical reported that director Kenneth Van Heel received a grant of 4,000 restricted stock units. This is a compensation-related award, not an open-market stock purchase, and is classified as an acquisition under transaction code A on the Form 4.

How many SeaStar Medical (ICU) shares does Kenneth Van Heel hold after this Form 4?

After the restricted stock unit grant, Kenneth Van Heel is shown holding 11,940 shares of SeaStar Medical common stock directly. This total includes the impact of the 4,000-unit award reported in the Form 4 insider filing for the July 1, 2026 transaction date.

What is the vesting schedule for Kenneth Van Heel’s new SeaStar Medical RSUs?

The 4,000 restricted stock units granted to Kenneth Van Heel will vest in full on July 1, 2027. Vesting in full means all units convert to common shares at once on that date, assuming the director continues to meet the applicable service conditions.

Was cash paid for Kenneth Van Heel’s SeaStar Medical RSU award?

No cash price per share is associated with this award; the Form 4 shows a transaction price of $0.0000 per share. This indicates a compensation grant of restricted stock units rather than a cash-funded, open-market purchase of SeaStar Medical common stock by the director.

What does transaction code A mean in the SeaStar Medical (ICU) Form 4?

Transaction code A on this Form 4 indicates a grant, award, or other acquisition of securities. In this case, it reflects a 4,000-unit restricted stock unit award to director Kenneth Van Heel, which will vest entirely on July 1, 2027, subject to continued eligibility.

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

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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^*

Van Heel Kenneth

(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)

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

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		4,000(1)	A	$0	11,940	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. Represent a restricted stock unit award ("RSU"). The RSUs will vest in full on July 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)