Companies / Tetra Tech Inc / Activity
Activity — Tetra Tech Inc
39 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Feb 4, 2026 | Carter Brian N Executive | Sell | COMMON STOCK | $401.4K | -10K -17.67% | 46,496 0.02% of shares | medium |
| May 15, 2026 | Feeler Jeffrey R Director | Buy | COMMON STOCK | $50.2K | +2K | 1,900 <0.01% of shares | low |
| Feb 10, 2026 | Volpi Kirsten M Director | Exercise | COMMON STOCK | $9.6K | +1K +1.44% | 70,218 0.03% of shares | low |
| Feb 19, 2026 | Obiaya Christiana Director | Exercise | COMMON STOCK | $0 | +495 +5.40% | 9,666 <0.01% of shares | low |
| Jan 12, 2026 | Birkenbeuel Gary Director | Grant | COMMON STOCK | $0 | +4K +9.43% | 51,032 0.02% of shares | low |
| Jan 12, 2026 | Birkenbeuel Gary Director | Exercise | COMMON STOCK | $0 | +2K +3.53% | 46,635 0.02% of shares | low |
| Jan 1, 2025 | Birkenbeuel Gary Director | Exercise | COMMON STOCK | $0 | +2K +4.77% | 45,045 0.02% of shares | low |
| Jan 1, 2025 | Birkenbeuel Gary Director | Grant | COMMON STOCK | $0 | +5K +13.97% | 42,995 0.02% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Grant | COMMON STOCK | $0 | +26K +15.56% | 192,259 0.08% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +2K +1.04% | 166,376 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +2K +1.31% | 164,658 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +2K +1.18% | 162,533 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +795 +0.50% | 160,633 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +795 +0.50% | 159,838 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +2K +1.31% | 159,043 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +3K +1.89% | 156,993 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +2K +1.27% | 154,083 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +2K +1.50% | 152,158 0.06% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | COMMON STOCK | $0 | +5K +3.09% | 149,908 0.06% of shares | low |
| Jan 12, 2026 | Ritrievi Kimberly E Director | Grant | COMMON STOCK | $0 | +2K +1.54% | 145,408 0.06% of shares | low |
| Feb 6, 2026 | Burdick Steven M Executive | Gift | COMMON STOCK | $0 | -11K -7.43% | 138,251 0.05% of shares | low |
| Apr 27, 2026 | Thornburg Eric W Director | Grant | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | +1K | 1,259 <0.01% of shares | low |
| Feb 19, 2026 | Obiaya Christiana Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -495 -100.00% | 0 0.00% of shares | low |
| Jan 12, 2026 | Birkenbeuel Gary Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -2K -100.00% | 0 0.00% of shares | low |
| Jan 1, 2025 | Birkenbeuel Gary Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -2K -100.00% | 0 0.00% of shares | low |
| Feb 19, 2026 | Argus Roger R CEO | Grant | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | +28K | 28,174 0.01% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -2K -100.00% | 0 0.00% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -2K -100.00% | 0 0.00% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -2K -100.00% | 0 0.00% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -795 -100.00% | 0 0.00% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -795 -100.00% | 0 0.00% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -2K -100.00% | 0 0.00% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -3K -100.00% | 0 0.00% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -2K -50.00% | 1,925 <0.01% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -2K -50.00% | 2,250 <0.01% of shares | low |
| Mar 16, 2026 | Ritrievi Kimberly E Director | Exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | -5K -100.00% | 0 0.00% of shares | low |
| Jan 26, 2026 | Hardwick M Susan Director | Grant | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | +2K | 1,754 <0.01% of shares | low |
| Feb 10, 2026 | Volpi Kirsten M Director | Exercise | STOCK OPTION (RIGHT TO BUY) | — | -1K -11.11% | 8,000 <0.01% of shares | low |
| Jan 26, 2026 | Feeler Jeffrey R Director | Grant | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | — | +2K | 1,754 <0.01% of shares | low |