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

97
Insider
Date
Role
Action
Shares
Price
Amount
Brian N Carter
4 Feb 2026
SVP, Corporate Controller
Sell
9,979
$40.23
$401.41K
Gary Birkenbeuel
14 Aug 2025
Director
Sell
2,390
$36.00
$86.05K
Kirsten M Volpi
4 Feb 2025
Director
Sell
4,345
$34.31
$149.08K
Kirsten M Volpi
4 Feb 2025
Director
Sell
4,100
$34.33
$140.74K
Kirsten M Volpi
4 Feb 2025
Director
Sell
1,671
$34.41
$57.50K
Kimberly E Ritrievi
11 Sep 2024
Director
Sell
6,500
$46.48
$302.12K
Steven M Burdick
11 Sep 2024
EVP, CFO
Sell
36,830
$46.57
$1.72M
Kirsten M Volpi
10 Sep 2024
Director
Sell
1,950
$46.00
$89.70K
Leslie L Shoemaker
10 Sep 2024
EVP, Chief Sustainability
Sell
78,420
$46.11
$3.62M
Preston Hopson
7 Aug 2024
SVP, General Counsel
Sell
5,000
$233.07
$1.17M
Dan L Batrack
6 Aug 2024
Chairman and CEO
Sell
17,924
$227.72
$4.08M
Steven M Burdick
22 Feb 2024
EVP, CFO
Sell
7,515
$175.67
$1.32M
J Kenneth Thompson
14 Feb 2024
Director
Sell
3,500
$177.24
$620.34K
Steven M Burdick
5 Feb 2024
EVP, CFO
Sell
7,128
$165.01
$1.18M
Brian N Carter
4 Dec 2023
SVP, Corporate Controller
Sell
1,474
$165.58
$244.06K
Kirsten M Volpi
1 Dec 2023
Director
Sell
2,228
$162.74
$362.59K
Dan L Batrack
28 Nov 2023
Chairman and CEO
Sell
22,000
$161.51
$3.55M
Roger R Argus
27 Nov 2023
President, GS and C/I Groups
Sell
3,670
$163.92
$601.59K
Jill Hudkins
27 Nov 2023
President
Sell
906
$164.52
$149.05K
Preston Hopson
22 Nov 2023
SVP, General Counsel
Sell
1,050
$165.22
$173.48K
Preston Hopson
21 Nov 2023
SVP, General Counsel
Sell
1,395
$164.13
$228.96K
J Kenneth Thompson
20 Nov 2023
Director
Sell
3,510
$165.71
$581.64K
J Kenneth Thompson
20 Nov 2023
Director
Sell
950
$166.03
$157.73K
Kirsten M Volpi
20 Nov 2023
Director
Sell
559
$165.50
$92.51K
J Kenneth Thompson
13 Jun 2023
Director
Sell
2,500
$156.21
$390.53K
Brian N Carter
7 Jun 2023
SVP, Corporate Controller
Sell
2,234
$156.91
$350.54K
J Kenneth Thompson
2 Jun 2023
Director
Sell
5,000
$152.31
$761.56K
Kirsten M Volpi
16 Feb 2023
Director
Sell
900
$145.74
$131.17K
Kimberly E Ritrievi
8 Feb 2023
Director
Sell
1,800
$151.09
$271.96K
Steven M Burdick
6 Feb 2023
EVP, CFO
Sell
10,515
$151.18
$1.59M
Dan L Batrack
15 Dec 2022
Chairman and CEO
Sell
30,000
$153.63
$4.61M
J Christopher Lewis
14 Dec 2022
Director
Sell
4,748
$157.68
$748.65K
J Christopher Lewis
14 Dec 2022
Director
Sell
9,901
$157.50
$1.56M
Kirsten M Volpi
6 Dec 2022
Director
Sell
700
$154.61
$108.22K
Roger R Argus
23 Nov 2022
SVP, Government Services Group
Sell
4,115
$153.67
$632.36K
Jill Hudkins
22 Nov 2022
President
Sell
154
$155.39
$23.93K
Jill Hudkins
22 Nov 2022
President
Sell
1,846
$154.74
$285.65K
Preston Hopson
21 Nov 2022
SVP, General Counsel
Sell
3,616
$157.52
$569.59K
J Kenneth Thompson
14 Nov 2022
Director
Sell
3,500
$158.98
$556.44K
Kirsten M Volpi
19 Aug 2022
Director
Sell
1,200
$144.66
$173.59K
Kirsten M Volpi
1 Jun 2022
Director
Sell
550
$135.41
$74.48K
Patrick C Haden
17 Mar 2022
Director
Sell
318
$164.55
$52.33K
Kirsten M Volpi
8 Mar 2022
Director
Sell
900
$156.34
$140.70K
Steven M Burdick
8 Dec 2021
EVP, CFO
Sell
16,132
$188.73
$3.04M
Brendan M. O'Rourke
8 Dec 2021
SVP, Enterprise Risk Mgmt.
Sell
3,633
$190.00
$690.27K
Kirsten M Volpi
7 Dec 2021
Director
Sell
700
$189.62
$132.73K
Dan L Batrack
6 Dec 2021
Chairman and CEO
Sell
64,000
$185.75
$11.89M
Brian N Carter
29 Nov 2021
SVP, Corporate Controller
Sell
3,015
$189.44
$571.16K
Patrick C Haden
24 Nov 2021
Director
Sell
110
$189.85
$20.88K
Patrick C Haden
24 Nov 2021
Director
Sell
2,200
$188.94
$415.67K
Patrick C Haden
23 Nov 2021
Director
Sell
410
$186.03
$76.27K
Patrick C Haden
7 Sep 2021
Director
Sell
5,400
$147.88
$798.57K
Richard A Lemmon
2 Sep 2021
SVP, Corporate Administration
Sell
3,878
$146.00
$566.19K
Bernard Teufele
11 Aug 2021
SVP, Canada and South America
Sell
860
$138.42
$119.04K
Kirsten M Volpi
7 Jun 2021
Director
Sell
5,575
$119.15
$664.26K
Kimberly E Ritrievi
2 Jun 2021
Director
Sell
8,524
$119.05
$1.01M
Leslie L Shoemaker
20 May 2021
President
Sell
9,752
$118.83
$1.16M
Leslie L Shoemaker
20 May 2021
President
Sell
3,705
$118.78
$440.07K
Brendan M. O'Rourke
9 Feb 2021
SVP, Enterprise Risk Mgmt.
Sell
1,200
$135.29
$162.34K
Mark A Rynning
8 Feb 2021
SVP, R&S Infrastructure
Sell
3,273
$136.04
$445.26K
Steven M Burdick
3 Feb 2021
EVP, CFO
Sell
10,801
$129.45
$1.40M
Kirsten M Volpi
8 Dec 2020
Director
Sell
6,468
$120.16
$777.20K
Dan L Batrack
7 Dec 2020
Chairman and CEO
Sell
8,798
$119.73
$1.05M
Dan L Batrack
4 Dec 2020
Chairman and CEO
Sell
41,202
$121.83
$5.02M
J Christopher Lewis
30 Nov 2020
Director
Sell
3,780
$119.89
$453.18K
J Christopher Lewis
30 Nov 2020
Director
Sell
4,739
$119.62
$566.87K
J Kenneth Thompson
30 Nov 2020
Director
Sell
2,500
$120.89
$302.23K
J Christopher Lewis
25 Nov 2020
Director
Sell
4,182
$122.75
$513.35K
J Christopher Lewis
25 Nov 2020
Director
Sell
3,830
$122.60
$469.54K
Patrick C Haden
24 Nov 2020
Director
Sell
4,182
$123.29
$515.60K
Brian N Carter
23 Nov 2020
SVP, Corporate Controller
Sell
3,165
$122.11
$386.46K
Mark A Rynning
23 Nov 2020
SVP, R&S Infrastructure
Sell
3,089
$123.34
$380.99K
Roger R Argus
19 Nov 2020
SVP, Government Services Group
Sell
4,164
$120.98
$503.77K
Kirsten M Volpi
26 Aug 2020
Director
Sell
800
$93.44
$74.75K
Dan L Batrack
21 Aug 2020
Chairman and CEO
Sell
230
$93.17
$21.43K
Dan L Batrack
21 Aug 2020
Chairman and CEO
Sell
69,040
$93.16
$6.43M
Mark A Rynning
4 Feb 2020
SVP, U.S. Infrastructure
Sell
122
$89.33
$10.90K
Brian N Carter
10 Dec 2019
SVP, Corporate Controller
Sell
3,099
$86.00
$266.51K
Kirsten M Volpi
10 Dec 2019
Director
Sell
425
$85.99
$36.54K
Roger R Argus
21 Nov 2019
SVP, Government Services Group
Sell
408
$85.77
$34.99K
Jan K Auman
13 Sep 2019
SVP, Global Development Svcs.
Sell
1,981
$84.00
$166.40K
J Christopher Lewis
11 Sep 2019
Director
Sell
4,489
$82.12
$368.65K
Mark A Rynning
16 May 2019
SVP, U.S. Infrastructure
Sell
871
$67.37
$58.68K
Craig L Christensen
1 May 2019
SVP, CIO
Sell
624
$65.00
$40.56K
Derek G Amidon
15 Mar 2019
SVP, Commercial Account Mgmt.
Sell
4,196
$58.95
$247.36K
Derek G Amidon
15 Mar 2019
SVP, Commercial Account Mgmt.
Sell
422
$58.97
$24.89K
Patrick C Haden
19 Feb 2019
Director
Sell
3,780
$58.46
$220.98K
Craig L Christensen
13 Feb 2019
SVP, CIO
Sell
625
$57.50
$35.94K
Brian N Carter
26 Nov 2018
SVP, Corporate Controller
Sell
8,215
$62.28
$511.62K
Kirsten M Volpi
14 Nov 2018
Director
Sell
1,200
$66.94
$80.32K
Jan K Auman
8 Aug 2018
SVP
Sell
1,979
$68.70
$135.96K
Patrick C Haden
23 Feb 2018
Director
Sell
4,401
$50.16
$220.76K
Mark A Rynning
23 Feb 2018
SVP
Sell
660
$50.44
$33.29K
J Christopher Lewis
29 Nov 2017
Director
Sell
4,401
$49.96
$219.87K
Janis B Salin
29 Nov 2017
SVP, General Counsel
Sell
7,420
$50.04
$371.28K
Roger R Argus
24 Nov 2017
SVP, Gov't Svcs. Group
Sell
390
$49.65
$19.36K
Roger R Argus
22 Nov 2017
SVP, Gov't Svcs. Group
Sell
1,138
$49.63
$56.47K
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