| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ARMSTRONG WILLIAM H III | Chair of Board, President, CEO, Director | 212 LAVACA STREET, SUITE 300, AUSTIN | Kelly C. Simoneaux, on behalf of William H. Armstrong III pursuant to a power of attorney | 17 Mar 2026 | 0001200799 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STRS | Common Stock | Tax liability | -984 | -0.14% | $32.34* | 683,872 | 15 Mar 2026 | Direct | F1, F2 | |
| holding | STRS | Common Stock | 3,250 | 15 Mar 2026 | IRA for Self |
| Id | Content |
|---|---|
| F1 | Shares withheld to cover the taxes due upon the vesting of Common Stock Restricted Stock Units ("RSUs"). |
| F2 | Amount beneficially owned following the reported transaction includes 37,691 RSUs. |