InsiderClue
Stocks · Industrials · Services-Engineering Services

TETRA TECH INC

TTEK Clue Score55
United States Fiscal year ends September CIK 0000831641 Results filed 29 Jul 2026
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What the insiders did Net selling

Individual transactions

19
Insider
Date
Role
Action
Shares
Price
Amount
Kirsten M Volpi
4 Aug 2026
Director
Exercised, kept
2,300
$9.59
$22.06K
Kirsten M Volpi
4 Jun 2026
Director
Exercised, kept
1,700
$9.59
$16.30K
Kirsten M Volpi
10 Feb 2026
Director
Exercised, kept
1,000
$9.59
$9.59K
Kirsten M Volpi
28 Nov 2025
Director
Exercised, kept
1,000
$9.59
$9.59K
John M. Douglas
27 Feb 2025
Director
Exercised, kept
718
$27.91
$20.04K
Kirsten M Volpi
5 Feb 2025
Director
Exercised, kept
6,000
$9.59
$57.54K
Gary Birkenbeuel
20 Aug 2024
Director
Exercised, kept
243
$59.90
$14.56K
Gary Birkenbeuel
20 Aug 2024
Director
Exercised, kept
243
$59.90
$14.56K
Kirsten M Volpi
12 Aug 2024
Director
Exercised, kept
300
$47.95
$14.39K
Joanne M Maguire
5 Aug 2024
Director
Exercised, kept
4,000
$47.95
$191.80K
Kirsten M Volpi
6 Feb 2024
Director
Exercised, kept
500
$47.95
$23.98K
Kirsten M Volpi
18 Nov 2023
Director
Exercised, kept
200
$47.95
$9.59K
Kirsten M Volpi
18 Nov 2023
Director
Exercised, kept
2,000
$40.80
$81.60K
Kirsten M Volpi
18 Nov 2023
Director
Exercised, kept
200
$47.95
$9.59K
Kirsten M Volpi
27 Feb 2023
Director
Exercised, kept
825
$40.80
$33.66K
J Christopher Lewis
13 Aug 2020
Director
Exercised, kept
4,200
$24.26
$101.89K
Gary Birkenbeuel
4 Aug 2020
Director
Exercised, kept
120
$59.90
$7.19K
Gary Birkenbeuel
3 Mar 2020
Director
Exercised, kept
500
$59.90
$29.95K
Craig L Christensen
19 Nov 2019
SVP, CIO
Exercised, kept
5,000
$24.26
$121.30K
Showing 250 of 276 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 613
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 158
Sales at will 98
Transactions with no price 0
Shares from compensation/vesting 5,234,653
Sales filed before the plan box existed 71
History held since 21 Nov 2006