Birkenbeuel Gary (CIK 1748476) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-14). Recent activity: Buy TTEK (5,270 shares), Buy TTEK (2,050 shares), Buy TTEK (1,590 shares), Buy TTEK (4,397 shares), Sell TTEK (2,390 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-14 | TETRA TECH INC (TTEK) | Director | Buy | 5,270 | $0 |
| 2026-01-14 | TETRA TECH INC (TTEK) | Director | Buy | 2,050 | $0 |
| 2026-01-14 | TETRA TECH INC (TTEK) | Director | Buy | 1,590 | $0 |
| 2026-01-14 | TETRA TECH INC (TTEK) | Director | Buy | 4,397 | $0 |
| 2025-08-15 | TETRA TECH INC (TTEK) | Director | Sell | 2,390 | $86,040 |
Source: SEC Form 4 filings · as of 2026-01-14