Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Tetra Tech Inc., 2 years.
Tetra Tech Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Tetra Tech Inc. February 19, 202696.7%
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Tetra Tech Inc. February 24, 202596.1%
-
Tetra Tech Inc. February 29, 202496.5%
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Tetra Tech Inc. February 28, 202399.1%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jan 12, 2026 | Tetra Tech Inc. | Option exercise | +1,590 | — | — |
| Jan 12, 2026 | Tetra Tech Inc. | Grant or award | +4,397 | — | — |
| Aug 14, 2025 | Tetra Tech Inc. | Open-market sale | −2,390 | $36.00 | $86,040 |
| Jan 1, 2025 | Tetra Tech Inc. | Grant or award | +5,270 | — | — |
| Jan 1, 2025 | Tetra Tech Inc. | Option exercise | +2,050 | — | — |
| Aug 20, 2024 | Tetra Tech Inc. | Option exercise | +243 | $59.90 | $14,556 |
| Aug 20, 2024 | Tetra Tech Inc. | Option exercise | +243 | $59.90 | $14,556 |
Questions about Gary Birkenbeuel
What boards is Gary Birkenbeuel on?
Gary Birkenbeuel sits on the board of Tetra Tech Inc.
How long has Gary Birkenbeuel served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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