SeaStar Medical (ICU) director awarded 4,000 RSUs, holdings now 16,200 shares

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Form Type

Rhea-AI Filing Summary

Neuman John reported acquisition or exercise transactions in this Form 4 filing.

SeaStar Medical Holding Corp director John Neuman received an equity award of 4,000 shares of common stock in the form of restricted stock units (RSUs). The award was granted at a price of $0.00 per share as compensation, not as an open-market purchase.

The RSUs will vest in full on July 1, 2027, meaning Neuman must remain eligible through that date to receive the underlying shares. Following this grant, he holds 16,200 shares of SeaStar Medical common stock in total as reported in this filing.

Insider Trade Summary

Net Buyer: 4,000 shares

Net Buy 1 txn

Insider Neuman John

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 — 16,200 shares (Direct)

Footnotes (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 shares Grant price: $0.00 per share Holdings after transaction: 16,200 shares +1 more

4 metrics

RSU grant size 4,000 shares Restricted stock unit award to director on July 1, 2026

Grant price $0.00 per share Equity award, not an open-market purchase

Holdings after transaction 16,200 shares Total common stock held following the RSU award

Vesting date July 1, 2027 RSUs vest in full on this date

Key Terms

restricted stock unit, RSU, vest, grant/award acquisition

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.

vest financial

"The RSUs will vest in full on July 1, 2027."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

grant/award acquisition financial

"transaction_action": "grant/award acquisition""

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 - 05:09 PM Accepted by SEC EDGAR 07/02/2026 - 05:08 PM

FAQ

What did SeaStar Medical (ICU) director John Neuman report in this Form 4?

John Neuman reported receiving 4,000 restricted stock units of SeaStar Medical common stock as an equity award. The grant was priced at $0.00 per share and increased his reported holdings to 16,200 shares after the transaction.

Is the SeaStar Medical (ICU) Form 4 transaction a market purchase or a compensation grant?

The transaction is a compensation-related grant, not a market purchase. The filing shows 4,000 shares acquired under transaction code "A" at $0.00 per share, indicating a restricted stock unit award granted by the company.

When do John Neuman’s 4,000 RSUs from SeaStar Medical (ICU) vest?

The 4,000 restricted stock units awarded to John Neuman vest in full on July 1, 2027. Vesting means the RSUs convert into actual shares if the vesting conditions, typically continued service through that date, are satisfied.

How many SeaStar Medical (ICU) shares does John Neuman hold after this Form 4 transaction?

After the reported grant, John Neuman’s total holdings are 16,200 shares of SeaStar Medical common stock. This figure includes the impact of the 4,000-share restricted stock unit award disclosed in the Form 4 filing.

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

Transaction code "A" indicates a grant, award, or other acquisition of securities. In this case, it reflects a 4,000-share restricted stock unit award granted to director John Neuman as part of his equity compensation.

Does the SeaStar Medical (ICU) Form 4 show any insider sales by John Neuman?

The Form 4 shows no insider sales by John Neuman. It reports a single acquisition transaction coded "A" for 4,000 restricted stock units, bringing his total reported holdings to 16,200 shares following the grant.

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^*

Neuman John

(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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value $0.0001	07/01/2026		A		4,000⁽¹⁾	A	$0	16,200	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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)

Source: View Original Filing on SEC EDGAR