[8-K] SeaStar Medical Holding Corp Reports Material Event

Rhea-AI Filing Summary

SeaStar Medical Holding Corporation filed an 8-K stating it has furnished a press release with results for the three and nine months ended September 30, 2025, as Exhibit 99.1 under Item 2.02.

The information is furnished, not filed, under the Exchange Act, is not subject to Section 18 liabilities, and is not incorporated by reference. The company’s securities trade on Nasdaq as ICU (common) and ICUCW (warrants).

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 13, 2025

SeaStar Medical Holding Corporation

(Exact name of Registrant as Specified in Its Charter)

Delaware	001-39927	85-3681132
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)
3513 Brighton Blvd, Suite 410
Denver, Colorado		80216
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s Telephone Number, Including Area Code: 844 427-8100

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock par value $0.0001 per share		ICU		The Nasdaq Stock Market LLC
Warrants, each whole warrant exercisable for one share of Common Stock for $11.50 per share		ICUCW		The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On November 13, 2025, the Company issued a press release announcing its financial condition and results of operations for the three and nine months ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1.

The information in this Current Report on Form 8-K, including the information contained in the press release furnished as Exhibit 99.1, is deemed to be “furnished” and not “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), is not otherwise subject to the liabilities of that Section, and shall not be deemed incorporated by reference into any filing under the Exchange Act or the Securities Act of 1933, as amended, regardless of any general incorporation language in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
99.1		Press Release dated November 13, 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SeaStar Medical Holding Corporation

		By:	/s/ Eric Schlorff
Date:	November 13, 2025	Name:	Eric Schlorff
		Title:	Chief Executive Officer

FAQ

What did SeaStar Medical (ICU) file?

An 8-K announcing it furnished a press release with financial results for the three and nine months ended September 30, 2025.

Which 8-K item applies to ICU’s update?

Item 2.02 (Results of Operations and Financial Condition).

Where can I find the detailed results mentioned by ICU?

In Exhibit 99.1, the press release dated November 13, 2025.

Is the information considered filed or furnished?

It is furnished, not filed, not subject to Section 18 liabilities, and not incorporated by reference.

Who signed the 8-K for SeaStar Medical?

Eric Schlorff, Chief Executive Officer, on November 13, 2025.

On which exchanges and tickers does ICU trade?

Nasdaq: ICU (common stock) and ICUCW (warrants).