| Delaware | 001-39927 | 85-3681132 |
| (State or Other Jurisdiction | (Commission File Number) | (IRS Employer |
| of Incorporation) | Identification No.) | |
| 3513 Brighton Blvd, | ||
| Suite 410 | ||
| Denver, Colorado | 80216 | |
| (Address of Principal Executive Offices) | (Zip Code) |
| ☐ | 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)) |
| Trading | ||||
| Title of each class | 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 |
| SeaStar Medical Holding Corporation | |||
| By: | /s/ Eric Schlorff | ||
| Date: | January 20, 2026 | Name: | Eric Schlorff |
| Title: | Chief Executive Officer | ||