TETRA TECH INC (TTEK)
$36.54-$0.10 (-0.27%) Today
Kimberly E. Ritrievi - DirectorTetra Tech Inc provides consulting and engineering services for environmental, infrastructure, resource management, energy, and international development markets. It specializes in providing water-related services for public and private clients. It designs infrastructure, facilities, and other structures with complex plans and resource management. it has two reportable segments. Its Government Services Group (GSG) segment includes activities with U.S. government clients (federal, state and local) and activities with development agencies world-wide. Commercial/International Services Group (CIG) segment, which derives maximum revenue, includes activities with U.S. commercial clients and international clients other than development agencies.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Option exercise | 4 | 8,000 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
61 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Kirsten M. Volpi - Director | Option exercise | COMMON STOCK | 2,300 | $9.59 | $22K | |
| Kirsten M. Volpi - Director | Option exercise | STOCK OPTION (RIGHT TO BUY) | 2,300 | $0.00 | - | |
| Kirsten M. Volpi - Director | Option exercise | COMMON STOCK | 1,700 | $9.59 | $16K | |
| Kirsten M. Volpi - Director | Option exercise | STOCK OPTION (RIGHT TO BUY) | 1,700 | $0.00 | - | |
| Jeffrey R. Feeler - Director | Open-market purchase | COMMON STOCK | 1,900 | $26.41 | $50K | |
| Eric W. Thornburg - Director | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,259 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 4,500 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 2,250 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 1,925 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 2,910 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 2,050 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 795 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 795 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 1,900 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 2,125 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | COMMON STOCK | 1,718 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Grant or award | COMMON STOCK | 25,883 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 4,500 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,250 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,925 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,910 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,050 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 795 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 795 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,900 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,125 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,718 | $0.00 | - | |
| Christiana Obiaya - Director | Option exercise | COMMON STOCK | 495 | $0.00 | - | |
| Christiana Obiaya - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 495 | $0.00 | - | |
| Roger R. Argus - Officer | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 28,174 | $0.00 | - | |
| Kirsten M. Volpi - Director | Option exercise | COMMON STOCK | 1,000 | $9.59 | $10K | |
| Kirsten M. Volpi - Director | Option exercise | STOCK OPTION (RIGHT TO BUY) | 1,000 | $0.00 | - | |
| Steven M. Burdick - Officer | Gift | COMMON STOCK | 11,100 | $0.00 | - | |
| Brian N. Carter - Officer | Open-market sale | COMMON STOCK | 9,979 | $40.23 | $401K | |
| Jeffrey R. Feeler - Director | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,754 | $0.00 | - | |
| M. Susan Hardwick - Director | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,754 | $0.00 | - | |
| Kimberly E. Ritrievi - Director | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,964 | $0.00 | - | |
| Kirsten M. Volpi - Director | Option exercise | COMMON STOCK | 1,718 | $0.00 | - | |
| Kirsten M. Volpi - Director | Option exercise | COMMON STOCK | 1,000 | $9.59 | $10K | |
| Kirsten M. Volpi - Director | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,964 | $0.00 | - | |
| Kirsten M. Volpi - Director | Option exercise | STOCK OPTION (RIGHT TO BUY) | 1,000 | $9.59 | $10K | |
| Kirsten M. Volpi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,718 | $0.00 | - | |
| Dan L. Batrack - Officer | Option exercise | COMMON STOCK | 21,255 | $0.00 | - | |
| Dan L. Batrack - Officer | Option exercise | COMMON STOCK | 19,330 | $0.00 | - | |
| Dan L. Batrack - Officer | Tax withholding / forfeiture | COMMON STOCK | 22,396 | $34.74 | $778K | |
| Dan L. Batrack - Officer | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 101,010 | $0.00 | - | |
| Dan L. Batrack - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 21,255 | $0.00 | - | |
| Dan L. Batrack - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 19,330 | $0.00 | - | |
| Roger R. Argus - Officer | Option exercise | COMMON STOCK | 2,735 | $0.00 | - | |
| Roger R. Argus - Officer | Option exercise | COMMON STOCK | 2,455 | $0.00 | - | |
| Roger R. Argus - Officer | Tax withholding / forfeiture | COMMON STOCK | 2,865 | $34.74 | $100K | |
| Roger R. Argus - Officer | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 19,641 | $0.00 | - | |
| Roger R. Argus - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,735 | $0.00 | - | |
| Roger R. Argus - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,455 | $0.00 | - | |
 Leslie L. Shoemaker - Officer | Option exercise | COMMON STOCK | 3,035 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Option exercise | COMMON STOCK | 3,682 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Tax withholding / forfeiture | COMMON STOCK | 3,707 | $34.74 | $129K | |
| Leslie L. Shoemaker - Officer | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 19,641 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 3,035 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 3,682 | $0.00 | - | |
| Prashant Gandhi - Director | Option exercise | COMMON STOCK | 1,718 | $0.00 | - | |
| Prashant Gandhi - Director | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,964 | $0.00 | - | |
| Prashant Gandhi - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,718 | $0.00 | - | |
| Gary Birkenbeuel - Director | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,964 | $0.00 | - | |
| Preston Hopson III - Officer | Option exercise | COMMON STOCK | 2,735 | $0.00 | - | |
| Preston Hopson III - Officer | Option exercise | COMMON STOCK | 2,455 | $0.00 | - | |
| Preston Hopson III - Officer | Tax withholding / forfeiture | COMMON STOCK | 2,044 | $34.74 | $71K | |
| Preston Hopson III - Officer | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 14,029 | $0.00 | - | |
| Preston Hopson III - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,735 | $0.00 | - | |
| Preston Hopson III - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,455 | $0.00 | - | |
| Brian N. Carter - Officer | Option exercise | COMMON STOCK | 995 | $0.00 | - | |
| Brian N. Carter - Officer | Option exercise | COMMON STOCK | 1,265 | $0.00 | - | |
| Brian N. Carter - Officer | Option exercise | COMMON STOCK | 1,520 | $0.00 | - | |
| Brian N. Carter - Officer | Option exercise | COMMON STOCK | 1,228 | $0.00 | - | |
| Brian N. Carter - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,234 | $35.69 | $44K | |
| Brian N. Carter - Officer | Grant or award | COMMON STOCK | 10,954 | $0.00 | - | |
| Brian N. Carter - Officer | Tax withholding / forfeiture | COMMON STOCK | 5,977 | $35.69 | $213K | |
| Brian N. Carter - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,500 | $34.74 | $52K | |
| Brian N. Carter - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 995 | $0.00 | - | |
| Brian N. Carter - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,265 | $0.00 | - | |
| Brian N. Carter - Officer | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 5,612 | $0.00 | - | |
| Brian N. Carter - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,520 | $0.00 | - | |
| Brian N. Carter - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,228 | $0.00 | - | |
| Steven M. Burdick - Officer | Option exercise | COMMON STOCK | 3,645 | $0.00 | - | |
| Steven M. Burdick - Officer | Option exercise | COMMON STOCK | 3,682 | $0.00 | - | |
| Steven M. Burdick - Officer | Tax withholding / forfeiture | COMMON STOCK | 4,044 | $34.74 | $140K | |
| Steven M. Burdick - Officer | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 19,641 | $0.00 | - | |
| Steven M. Burdick - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 3,645 | $0.00 | - | |
| Steven M. Burdick - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 3,682 | $0.00 | - | |
| Christiana Obiaya - Director | Option exercise | COMMON STOCK | 1,718 | $0.00 | - | |
| Christiana Obiaya - Director | Grant or award | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,964 | $0.00 | - | |
| Christiana Obiaya - Director | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 1,718 | $0.00 | - | |
| Roger R. Argus - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,535 | $0.00 | - | |
| Roger R. Argus - Officer | Option exercise | COMMON STOCK | 2,535 | $0.00 | - | |
| Roger R. Argus - Officer | Option exercise | COMMON STOCK | 2,055 | $0.00 | - | |
| Roger R. Argus - Officer | Tax withholding / forfeiture | COMMON STOCK | 2,533 | $35.69 | $90K | |
| Roger R. Argus - Officer | Grant or award | COMMON STOCK | 21,902 | $0.00 | - | |
| Roger R. Argus - Officer | Tax withholding / forfeiture | COMMON STOCK | 12,086 | $35.69 | $431K | |
| Roger R. Argus - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,055 | $0.00 | - | |
| Preston Hopson III - Officer | Grant or award | COMMON STOCK | 21,902 | $0.00 | - | |
| Preston Hopson III - Officer | Tax withholding / forfeiture | COMMON STOCK | 8,620 | $35.69 | $308K | |
| Preston Hopson III - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,055 | $0.00 | - | |
| Preston Hopson III - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,535 | $0.00 | - | |
| Preston Hopson III - Officer | Option exercise | COMMON STOCK | 2,535 | $0.00 | - | |
| Preston Hopson III - Officer | Option exercise | COMMON STOCK | 2,055 | $0.00 | - | |
| Preston Hopson III - Officer | Tax withholding / forfeiture | COMMON STOCK | 1,807 | $35.69 | $64K | |
| Steven M. Burdick - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 3,170 | $0.00 | - | |
| Steven M. Burdick - Officer | Option exercise | COMMON STOCK | 3,170 | $0.00 | - | |
| Steven M. Burdick - Officer | Option exercise | COMMON STOCK | 2,520 | $0.00 | - | |
| Steven M. Burdick - Officer | Tax withholding / forfeiture | COMMON STOCK | 3,141 | $35.69 | $112K | |
| Steven M. Burdick - Officer | Grant or award | COMMON STOCK | 27,384 | $0.00 | - | |
| Steven M. Burdick - Officer | Tax withholding / forfeiture | COMMON STOCK | 15,112 | $35.69 | $539K | |
| Steven M. Burdick - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,520 | $0.00 | - | |
| Dan L. Batrack - Officer | Tax withholding / forfeiture | COMMON STOCK | 18,235 | $35.69 | $651K | |
| Dan L. Batrack - Officer | Grant or award | COMMON STOCK | 164,285 | $0.00 | - | |
| Dan L. Batrack - Officer | Tax withholding / forfeiture | COMMON STOCK | 90,653 | $35.69 | $3.24M | |
| Dan L. Batrack - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 14,030 | $0.00 | - | |
| Dan L. Batrack - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 19,015 | $0.00 | - | |
| Dan L. Batrack - Officer | Option exercise | COMMON STOCK | 19,015 | $0.00 | - | |
| Dan L. Batrack - Officer | Option exercise | COMMON STOCK | 14,030 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 3,170 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Option exercise | COMMON STOCK | 3,170 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Option exercise | COMMON STOCK | 2,520 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Tax withholding / forfeiture | COMMON STOCK | 3,141 | $35.69 | $112K | |
| Leslie L. Shoemaker - Officer | Grant or award | COMMON STOCK | 27,384 | $0.00 | - | |
| Leslie L. Shoemaker - Officer | Tax withholding / forfeiture | COMMON STOCK | 15,112 | $35.69 | $539K | |
| Leslie L. Shoemaker - Officer | Option exercise | RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) | 2,520 | $0.00 | - | |
| Kirsten M. Volpi - Director | Grant or award | COMMON STOCK | 4,104 | $0.00 | - | |
| Christiana Obiaya - Director | Grant or award | COMMON STOCK | 3,643 | $0.00 | - |
TETRA TECH INC (TTEK) had 2 insider filings in the last 90 days, with the most recent on 2026-08-06. The full record for TTEK runs to 61 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of TTEK were filed in the last 90 days. 1 purchase is on record for this company.
No insider sales of TTEK were filed in the last 90 days. 2 sales are on record for this company.
This page tracks TTEK Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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