| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Shukla Rahul | Chief Accounting Officer | 4 EMBARCADERO CENTER, SUITE 710, SAN FRANCISCO | /s/ Saul R. Laureles, attorney-in-fact | 06 May 2025 | 0001900919 |
| 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 | +8,000 | $0.000000 | 8,000 | 22 Jan 2025 | Direct | ||
| transaction | STEM | Common Stock, Par Value $0.0001 Per Share | Sale | $2,297 | -3,534 | -44% | $0.6500 | 4,466 | 23 Jan 2025 | Direct | F1 |
| transaction | STEM | Common Stock, Par Value $0.0001 Per Share | Options Exercise | $0 | +19,951 | +447% | $0.000000 | 24,417 | 24 Feb 2025 | Direct | |
| transaction | STEM | Common Stock, Par Value $0.0001 Per Share | Sale | $4,633 | -9,048 | -37% | $0.5120 | 15,369 | 25 Feb 2025 | Direct | F1 |
| transaction | STEM | Common Stock, Par Value $0.0001 Per Share | Options Exercise | $0 | +16,667 | +108% | $0.000000 | 32,036 | 11 Mar 2025 | Direct | |
| transaction | STEM | Common Stock, Par Value $0.0001 Per Share | Sale | $3,017 | -7,469 | -23% | $0.4040 | 24,567 | 12 Mar 2025 | Direct | F1 |
| transaction | STEM | Common Stock, Par Value $0.0001 Per Share | Sale | $13,291 | -24,567 | -100% | $0.5410 | 0 | 02 May 2025 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STEM | Restricted Stock Unit | Award | $0 | +115,000 | +108% | $0.000000 | 221,508 | 10 Oct 2024 | Common Stock, Par Value $0.0001 Per Share | 115,000 | $0.000000 | Direct | F3 |
| transaction | STEM | Restricted Stock Unit | Options Exercise | $0 | -8,000 | -3.6% | $0.000000 | 213,508 | 22 Jan 2025 | Common Stock, Par Value $0.0001 Per Share | 8,000 | $0.000000 | Direct | F4 |
| transaction | STEM | Restricted Stock Unit | Options Exercise | $0 | -19,951 | -9.3% | $0.000000 | 193,557 | 24 Feb 2025 | Common Stock, Par Value $0.0001 Per Share | 19,951 | $0.000000 | Direct | F5 |
| transaction | STEM | Restricted Stock Unit | Options Exercise | $0 | -16,667 | -8.6% | $0.000000 | 176,890 | 11 Mar 2025 | Common Stock, Par Value $0.0001 Per Share | 16,667 | $0.000000 | Direct | F6 |
| Id | Content |
|---|---|
| F1 | Represents shares of common stock automatically sold to cover the reporting person's tax liability in connection with the settlement of RSUs. This "sell to cover" transaction does not represent a discretionary trade by the reporting person. |
| F2 | The price reported is a weighted average price. The shares were sold in multiple transactions at per share prices ranging from $0.540 to $0.543. The reporting person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F3 | On October 10, 2024, the reporting person was granted 115,000 RSUs vesting in October 2025. |
| F4 | On February 9, 2022, the reporting person was granted 32,000 RSUs vesting in four annual installments beginning January 2023. |
| F5 | On February 23, 2023, the reporting person was granted 60,459 RSUs vesting in three annual installments beginning February 2024. |
| F6 | On May 28, 2024, the reporting person was granted 50,000 RSUs vesting in three annual installments beginning March 2025. |