SEC Form 4 · accession 0001689601-26-000005
TETRA TECHNOLOGIES INC · TTI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Matthew Sanderson
Officer — Executive Vice President & CFO
Period of report
Aug 25, 2026
Accepted (ET)
Aug 27, 2026 · 4:08 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000844965
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 25, 2026 | M | 15,124 | $0.00 | A | 791,326 | D | |
| Common Stock | Aug 25, 2026 | F | 5,952 | $6.77 | D | 785,374 | D | |
| Common Stock | Aug 25, 2026 | M | 14,570 | $0.00 | A | 799,944 | D | |
| Common Stock | Aug 25, 2026 | F | 5,734 | $6.77 | D | 794,210 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF5 | $0.00 | Aug 25, 2026 | M | 15,124 | D | — | — | Common Stock | 15,124 | 15,125 | D |
| Restricted Stock UnitsF6 | $0.00 | Aug 25, 2026 | M | 14,570 | D | — | — | Common Stock | 14,570 | 43,712 | D |
Explanation of responses
- F1Represents vested shares of restricted stock units granted on February 19, 2024. Restricted stock units convert into common stock on a one-for-one basis.
- F2Reflects units surrendered to the Issuer to satisfy tax withholding obligations upon the vesting of the restricted stock unit granted on February 19, 2024.
- F3Represents vested shares of restricted stock units granted on February 28, 2025. Restricted stock units convert into common stock on a one-for-one basis.
- F4Reflects units surrendered to the Issuer to satisfy tax withholding obligations upon the vesting of the restricted stock unit granted on February 28, 2025.
- F5The remaining unvested portion of this restricted stock unit award will vest every six months until fully vested on February 25, 2027. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock upon vesting of the unit.
- F6The remaining unvested portion of this restricted stock unit award will vest every six months until fully vested on February 25, 2028. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock upon vesting of the unit.