CIK 0000831641 · Large accelerated filer
TETRA TECH INC
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- TTEK
- Exchange
- Nasdaq
- Industry
- Services-Engineering Services
- FY end
- Sep 27
- Incorporated
- DE
- Entity type
- operating
- EIN
- 954148514
- Phone
- 6263514664
- Business address
- 3475 EAST FOOTHILL BOULEVARD, PASADENA, CA, 91107
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-16 | Ritrievi Kimberly E Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −2,910 | 0 | ||
| 2026-03-16 | Ritrievi Kimberly E Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −2,050 | 0 | ||
| 2026-03-16 | Ritrievi Kimberly E Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −795 | 0 | ||
| 2026-03-16 | Ritrievi Kimberly E Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −795 | 0 | ||
| 2026-03-16 | Ritrievi Kimberly E Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −1,900 | 0 | ||
| 2026-03-16 | Ritrievi Kimberly E Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −2,125 | 0 | ||
| 2026-03-16 | Ritrievi Kimberly E Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −1,718 | 0 | ||
| 2026-02-19 | Obiaya Christiana Director | Option exercise | +495 | 9,666 | ||
| 2026-02-19 | Obiaya Christiana Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −495 | 0 | ||
| 2026-02-19 | Argus Roger R President and CEO | Grant or award · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | +28,174 | 28,174 | ||
| 2026-02-10 | Volpi Kirsten M Director | Option exercise | +1,000 | $9.59 | $10K | 70,218 |
| 2026-02-10 | Volpi Kirsten M Director | Option exercise · STOCK OPTION (RIGHT TO BUY) | −1,000 | 8,000 | ||
| 2026-02-06 | BURDICK STEVEN M EVP, CFO | Gift | −11,100 | 138,251 | ||
| 2026-02-04 | CARTER BRIAN N SVP, Corporate Controller | Sale | −9,979 | $40.23 | $401K | 46,496 |
| 2026-01-26 | Hardwick M Susan Director | Grant or award · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | +1,754 | 1,754 | ||
| 2026-01-26 | Feeler Jeffrey R Director | Grant or award · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | +1,754 | 1,754 | ||
| 2026-01-12 | Birkenbeuel Gary Director | Option exercise | +1,590 | 46,635 | ||
| 2026-01-12 | Birkenbeuel Gary Director | Grant or award | +4,397 | 51,032 | ||
| 2026-01-12 | Birkenbeuel Gary Director | Option exercise · RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | −1,590 | 0 | ||
| 2026-01-12 | Ritrievi Kimberly E Director | Grant or award | +2,208 | 145,408 |
Page 2 of 16 · 310 trades