| 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 | 02 Mar 2026 | 0001948274 |
| 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 | +25,800 | $0.000000 | 25,800 | 26 Feb 2026 | Common Stock, Par Value $0.0001 Per Share | 25,800 | Direct | F1, F2 | ||
| transaction | STEM | Performance Stock Unit | Award | $0 | +17,200 | $0.000000 | 17,200 | 26 Feb 2026 | Common Stock, Par Value $0.0001 Per Share | 17,200 | Direct | F1, F3 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit ("RSU") and performance stock unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock. |
| F2 | On February 26, 2026, the Reporting Person was granted 25,800 RSUs vesting in three nearly equal annual installments (33%, 33%, 34%), beginning on March 7, 2027. |
| F3 | On February 26, 2026, the Reporting Person was granted 17,200 PSUs, a portion of which vests, if the volume-weighted average price of the Issuer's common stock for any consecutive sixty (60) trading-day period equals or exceeds a stock price target. |