| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chung Kevin | Chief Medical Officer | C/O SEASTAR MEDICAL HOLDING CORPORATION, 3513 BRIGHTON BLVD., SUITE 410, DENVER | /s/ David A. Green, as attorney-in-fact | 03 Jul 2025 | 0001949950 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ICU | Common Stock, par value $0.0001 per share | Options Exercise | $0 | +5,000 | +12% | $0.000000 | 48,184 | 01 Jul 2025 | Direct | F1, F2, F3, F4 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ICU | Restricted Stock Unit | Options Exercise | $0 | -5,000 | -100% | $0.000000 | 0 | 01 Jul 2025 | Common Stock, par value $0.0001 per share | 5,000 | Direct | F5, F6, F7 |
| Id | Content |
|---|---|
| F1 | This Form 4 is being filed to report the vesting of certain restricted stock unit ("RSU") awards and the moving of unvested RSU awards previously reported in Table II to Table I. |
| F2 | Reflects RSUs that upon vesting converted into shares of ICU common stock. |
| F3 | The total includes 25,000 shares underlying RSUs that were previously reported in Table II. |
| F4 | Reflects a reduction by one share to correct a previous rounding error. |
| F5 | Each restricted stock unit represents a contingent right to receive one share of ICU common stock. |
| F6 | As previously reported, on November 15, 2024, the reporting person was granted 15,000 RSUs, vesting in three equal annual installments on the first, second and third anniversaries of July 1, 2024. |
| F7 | The total does not include 25,000 shares underlying RSUs that are now reported in Table I. |