FilingIndex
← The Wire
TTEKNasdaq

TETRA TECH INC

Services-Engineering Services · DE · CIK 831641

Tetra Tech provides high-end consulting and engineering services for water, environment, and sustainable infrastructure

$7.38B
Market cap
$28.88
Last close
-1.3%
1D
+6.4%
5D
2.4M
Volume
Price · last 39 sessions-8.8%
May 4L $26.18 · H $31.67Jun 29
170
Total filings
May 1, 2026
Last filing
09/27
Fiscal year end
10-Q10-QMay 1, 20268-KResults of Operations · Company UpdateApr 29, 20268-KExecutive Change · Company UpdateMar 26, 20268-KExecutive Change · Shareholder VoteFeb 20, 202610-Q10-QJan 30, 20268-KResults of Operations · Company UpdateJan 28, 2026DEFA14ADEFA14AJan 9, 2026DEF 14AFORM DEF 14AJan 9, 20268-KExecutive Change · Company UpdateJan 6, 20268-KExecutive Change · Company UpdateDec 22, 202510-K10-KNov 20, 20258-KResults of Operations · Company UpdateNov 12, 20258-KExecutive Change · Company UpdateOct 7, 202510-Q10-QAug 1, 20258-KResults of Operations · Company UpdateJul 30, 202510-Q10-QMay 8, 20258-KMaterial Agreement · Results of OperationsMay 7, 20258-KExecutive Change · Shareholder VoteFeb 28, 202510-Q10-QJan 31, 20258-KResults of Operations · Company UpdateJan 30, 20258-KCompany UpdateJan 17, 2025DEFA14ADEFA14AJan 16, 2025DEF 14ADEF 14AJan 16, 2025SC 13GSC 13GNov 21, 202410-K10-KNov 19, 20248-KResults of Operations · Company UpdateNov 13, 20248-KBylaw AmendmentSep 6, 20248-KExecutive Change · Company UpdateAug 2, 202410-Q10-QAug 2, 20248-KResults of Operations · Company UpdateJul 31, 20248-KExecutive ChangeMay 24, 202410-Q10-QMay 3, 20248-KResults of Operations · Company UpdateMay 1, 20248-KShareholder VoteMar 1, 202410-Q10-QFeb 2, 20248-KResults of Operations · Company UpdateJan 31, 2024SC 13GSC 13GJan 31, 2024DEFA14ADEFA14AJan 18, 2024DEF 14ADEF 14AJan 18, 202410-K10-KNov 22, 20238-K/AShareholder VoteNov 15, 20238-KResults of Operations · Company UpdateNov 15, 20238-KMaterial Agreement · New Debt / ObligationAug 22, 202310-K/AFORM 10-K/AAug 15, 202310-Q10-QAug 10, 20238-KResults of Operations · Company UpdateAug 9, 202310-Q10-QMay 11, 20238-KResults of Operations · Company UpdateMay 10, 20238-KExecutive ChangeMay 8, 20238-K/AAcquisition / DispositionApr 10, 20238-KShareholder VoteMar 3, 2023SC 13GSEC SCHEDULE 13GFeb 14, 202310-Q10-QFeb 3, 2023SC 13GSC 13GFeb 3, 20238-KResults of Operations · Company UpdateFeb 1, 20238-KAcquisition / Disposition · Reg FD DisclosureJan 24, 2023DEFA14ADEFA14AJan 17, 2023DEF 14ADEF 14AJan 17, 20238-KReg FD DisclosureDec 12, 202210-K10-KNov 25, 20228-KExecutive Change · Company UpdateNov 15, 20228-KBylaw AmendmentNov 10, 20228-KResults of Operations · Company UpdateNov 9, 20228-KReg FD DisclosureNov 3, 20228-KMaterial Agreement · Agreement TerminatedOct 28, 20228-KReg FD DisclosureOct 12, 20228-KMaterial Agreement · Security-Holder RightsOct 11, 20228-KMaterial Agreement · New Debt / ObligationSep 26, 202210-Q10-QAug 5, 20228-KResults of Operations · Company UpdateAug 3, 20228-KExecutive Change · Company UpdateAug 2, 202210-Q10-QMay 6, 20228-KResults of Operations · Company UpdateMay 4, 20228-KShareholder VoteMar 4, 20228-KExecutive Change · Company UpdateFeb 22, 20228-KMaterial Agreement · Security-Holder RightsFeb 22, 2022SC 13GSC 13GFeb 10, 202210-Q10-QFeb 4, 20228-KResults of Operations · Company UpdateFeb 2, 2022DEFA14ADEFA14AJan 18, 2022

Insider Activity

In the 90 days to Feb 4, 2026: 1 sold $401K.

DateInsiderActionSharesPriceValue
Feb 4, 2026Carter Brian NSVP, Corporate ControllerSell9,979$40.23$401K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

Similar companies

Comparable business profile · signals at a glance