| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Carlson Michael James | President, Managed Services | 1400 POST OAK BOULEVARD, SUITE 560, HOUSTON | /s/ Sarah Dunn, attorney-in-fact | 19 Feb 2026 | 0001948274 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STEM | Common Stock, Par Value $0.0001 Per Share | Tax liability | $8,249 | -730 | -3.9% | $11.30 | 17,996 | 19 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares of common stock automatically sold to cover the reporting person's tax liability in connection with the previously reported settlement of restricted stock units on February 15, 2026. This "sell to cover" transaction does not represent a discretionary trade by the reporting person. |