| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Daley Adam | Director | FOUR EMBARCADERO CENTER, SUITE 710, SAN FRANCISCO | /s/ Saul R. Laureles, Attorney-in-Fact | 02 Jun 2025 | 0001821227 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STEM | Common Stock, Par Value $0.0001 Per Share | Options Exercise | $0 | +110,236 | +84% | $0.000000 | 240,996 | 29 May 2025 | Direct | |
| holding | STEM | Common Stock, Par Value $0.0001 Per Share | 96,251 | 29 May 2025 | By Daley Investment Trust | F1 | |||||
| holding | STEM | Common Stock, Par Value $0.0001 Per Share | 92,776 | 29 May 2025 | By Daley Revocable Trust | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STEM | Restricted Stock Unit | Options Exercise | $0 | -110,236 | -100% | $0.000000 | 0 | 29 May 2025 | Common Stock, Par Value 0.0001 Per Share | 110,236 | Direct | F3, F4 |
| Id | Content |
|---|---|
| F1 | Held by Daley Investment Trust, of which the Reporting Person is a trustee. |
| F2 | Held by Daley Revocable Trust, of which the Reporting Person is a trustee. |
| F3 | Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock. |
| F4 | On May 29, 2024, the Reporting Person was granted 110,236 RSUs vesting 100% on May 29, 2025. |