Tetra Tech Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Tetra Tech Inc.
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- TTEK
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000831641
Board of directors
-
Christiana Obiaya · DirectorSince 2023
-
Dan L. Batrack · Director · Chairman and CEOSince 2023
-
Eric W. Thornburg · DirectorSince 2026
-
Gary Birkenbeuel · DirectorSince 2023
-
J. Kenneth Thompson · DirectorSince 2023
-
Jeffrey R. Feeler · DirectorSince 2025
-
Joanne M. Maguire · DirectorSince 2023
-
John M. Douglas · DirectorSince 2024
-
Kimberly E. Ritrievi · DirectorSince 2023
-
Kirsten M. Volpi · DirectorSince 2023
- Since 2025
-
Prashant Gandhi · DirectorSince 2023
Chief executives
Dan L. Batrack
· CHAIRMAN AND CEO
Dates unknown
Board connections
6 of this board's directors also sit on 11 other boards.
- via J. Kenneth Thompson
- via M. Susan Hardwick
- via J. Kenneth Thompson
- via M. Susan Hardwick
- via M. Susan Hardwick
- via Eric W. Thornburg
- via Jeffrey R. Feeler
- via Kimberly E. Ritrievi
- via M. Susan Hardwick
- via Joanne M. Maguire
- via Joanne M. Maguire
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.
- Bought, last 12 months
- $50,179
- 1 purchase by 1 insider
- Sold, last 12 months
- $401,455
- 1 sale by 1 insider
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 4, 2026 | Kirsten M. Volpi Director | Option exercise | +2,300 | $9.59 | $22,057 |
| Jun 4, 2026 | Kirsten M. Volpi Director | Option exercise | +1,700 | $9.59 | $16,303 |
| May 15, 2026 | Jeffrey R. Feeler Director | Open-market purchase | +1,900 | $26.41 | $50,179 |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +4,500 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +2,250 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +1,925 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +2,910 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +2,050 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +795 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +795 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +1,900 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +2,125 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Option exercise | +1,718 | — | — |
| Mar 16, 2026 | Kimberly E. Ritrievi Director | Grant or award | +25,883 | — | — |
| Feb 19, 2026 | Christiana Obiaya Director | Option exercise | +495 | — | — |
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