SANDERSON MATTHEW (CIK 1689601) reported 20 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Buy TTI (86,034 shares), Sell TTI (38,157 shares), Buy TTI (29,141 shares), Sell TTI (12,925 shares), Buy TTI (15,942 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 86,034 | $0 |
| 2026-03-17 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 38,157 | $313,651 |
| 2026-03-02 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 29,141 | $0 |
| 2026-03-02 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 12,925 | $111,930 |
| 2026-02-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 15,942 | $0 |
| 2026-02-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 7,950 | $88,563 |
| 2026-02-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 15,124 | $0 |
| 2026-02-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 6,353 | $70,772 |
| 2025-08-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 15,942 | $0 |
| 2025-08-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 6,161 | $27,663 |
| 2025-08-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 15,124 | $0 |
| 2025-08-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 5,649 | $25,364 |
| 2025-03-18 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 42,758 | $0 |
| 2025-03-18 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 15,971 | $53,503 |
| 2025-02-26 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 17,825 | $0 |
| 2025-02-26 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 6,658 | $27,298 |
| 2025-02-26 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 15,942 | $0 |
| 2025-02-26 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 5,955 | $24,415 |
| 2025-02-21 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Buy | 30,248 | $0 |
| 2025-02-21 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President | Sell | 12,495 | $55,478 |
Source: SEC Form 4 filings · as of 2026-03-17