| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Forbes Keith E | CAO and Controller | 421 W. 3RD STREET, SUITE 1000, FORT WORTH | /s/ Steven W. Tholen as Attorney in Fact for Keith Forbes | 09 Jan 2026 | 0001831867 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HPK | Common Stock, par value $0.0001 per share | Award | $0 | +25,000 | $0.000000 | 25,000 | 09 Jan 2026 | Direct | F1 | |
| holding | HPK | Common Stock, par value $0.0001 per share | 14,000 | 09 Jan 2026 | See Footnote | F2 | |||||
| holding | HPK | Common Stock, par value $0.0001 per share | 250 | 09 Jan 2026 | By Wife | F3 |
| Id | Content |
|---|---|
| F1 | The shares of restricted common stock vest in three equal installments: one-third on the first anniversary of the date of the grant, one-third on the second anniversary of the date of the grant and one-third on the third anniversary of the date of the grant. |
| F2 | Shares held by the reporting person's investment vehicle. |
| F3 | The reporting person disclaims beneficial ownership of the common stock held by the reporting person's wife (the "Record Holder") except to the extent of his pecuniary interest in the Record Holder, and this report shall not be deemed an admission that he is the beneficial ownership of such securities for purposes of Section 16 or for any other purpose. The reporting person disclaims beneficial ownership of the securities held by his wife, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. |