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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940 |
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| Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. | SEC 1473 (7-02) | ||
| Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. | |||
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1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security |
5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
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| Date Exercisable | Expiration Date | Title | Amount or Number of Shares | ||||
| Reporting Owner Name / Address | Relationships | |||
| Director | 10% Owner | Officer | Other | |
| Mauney William Marshall Jr 8550 MOSLEY ROAD HOUSTON, TX 77075 |
Vice President, R&D | |||
| Michael W. Metcalf, Power of Attorney for William Marshall Mauney, Jr. | 06/03/2024 | |
| **Signature of Reporting Person | Date |
| * | If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
| ** | Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
| (1) | Includes shares that have a time-based vesting provision. |
| (2) | This Form 3/A amends the original Form 3 filed on May 31, 2024, which inadvertently omitted, due to administrative error, 4,320 shares held by the Reporting Person which have a time-based vesting provision. No subsequent forms have been filed. |