SANDERSON MATTHEW (CIK 1689601) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-27). Recent activity: Buy TTI (15,124 shares), Sell TTI (5,952 shares), Buy TTI (14,570 shares), Sell TTI (5,734 shares), Buy TTI (86,034 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President & CFO | Buy | 15,124 | $0 |
| 2026-08-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President & CFO | Sell | 5,952 | $40,295 |
| 2026-08-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President & CFO | Buy | 14,570 | $0 |
| 2026-08-27 | TETRA TECHNOLOGIES INC (TTI) | Executive Vice President & CFO | Sell | 5,734 | $38,819 |
| 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 |
来源：SEC Form 4 申报文件 · 截至 2026-08-27