Insider Shareholders with Direct Ownership of Tetra Tech Inc (TTEK)
This section provides a comprehensive overview of the insiders with direct ownership of Tetra Tech Inc (TTEK). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
TETRA TECH INC Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
Leslie L Shoemaker
EVP, Chief Sustainability |
156,732 | 200,699 | 322,811 $11.7 Million | 26 |
Nov 18, 2025
Reduced 4.47%
|
|
Dan L Batrack
Chairman and CEO |
767,949 | 772,371 | 314,309 $11.4 Million | 31 |
Nov 18, 2025
Reduced 22.39%
|
|
Steven M Burdick
EVP, CFO |
149,563 | 182,308 | 145,936 $5.28 Million | 28 |
Nov 18, 2025
Reduced 9.38%
|
|
Kimberly E Ritrievi
Director |
19,172 | 25,861 | 145,590 $5.27 Million | 14 |
Nov 20, 2024
Added 1.62%
|
|
Joanne M Maguire
Director |
16,489 | 862 | 97,785 $3.54 Million | 9 |
Sep 30, 2024
Added 2.13%
|
|
William R Brownlie
SVP, Chief Engineer |
37,167 | 35,977 | 85,376 $3.09 Million | 13 |
Mar 18, 2022
Reduced 2.84%
|
|
Preston Hopson Iii
EVP, Chief Legal/Human Capital |
86,345 | 45,189 | 79,996 $2.9 Million | 25 |
Nov 18, 2025
Reduced 9.73%
|
|
Kirsten M Volpi
Director |
39,415 | 41,250 | 66,500 $2.41 Million | 39 |
Nov 18, 2025
Added 5.81%
|
|
J Christopher Lewis
Director |
37,930 | 50,279 | 57,875 $2.1 Million | 13 |
Dec 14, 2022
Reduced 7.58%
|
|
Brian N Carter
SVP, Corporate Controller |
54,460 | 45,527 | 49,224 $1.78 Million | 26 |
Nov 30, 2024
Reduced 1.65%
|
|
Gary Birkenbeuel
Director |
6,324 | 2,390 | 37,725 $1.37 Million | 5 |
Aug 14, 2025
Reduced 5.96%
|
|
Roger R Argus
President |
95,263 | 70,102 | 37,565 $1.36 Million | 25 |
Nov 18, 2025
Reduced 24.34%
|
|
Craig L Christensen
SVP, CIO |
26,788 | 22,016 | 36,407 $1.32 Million | 13 |
Nov 30, 2021
Reduced 1.09%
|
|
Richard A Lemmon
SVP, Corporate Administration |
30,851 | 38,006 | 35,775 $1.3 Million | 14 |
Dec 07, 2021
Reduced 3.14%
|
|
Prashant Gandhi
Director |
11,530 | 0 | 14,835 $537,175 | 4 |
Nov 18, 2025
Added 21.67%
|
|
Bernard Teufele
SVP, Canada and South America |
15,764 | 8,935 | 12,867 $465,914 | 7 |
Nov 23, 2021
Reduced 19.44%
|
|
Derek G Amidon
SVP, Comm./Int'l Svcs. Group |
25,645 | 19,688 | 11,141 $403,415 | 10 |
Nov 18, 2022
Reduced 24.62%
|
|
J Kenneth Thompson
Director |
27,164 | 38,935 | 10,985 $397,766 | 20 |
Feb 14, 2024
Reduced 24.16%
|
|
Christiana Obiaya
Director |
6,105 | 0 | 7,453 $269,873 | 3 |
Nov 18, 2025
Added 32.83%
|
|
Patrick C Haden
Director |
27,902 | 33,620 | 3,062 $110,875 | 10 |
Mar 17, 2022
Reduced 9.41%
|
|
Jill Hudkins
President |
1,838 | 3,608 | 2,828 $102,401 | 10 |
Apr 26, 2024
Reduced 3.68%
|
|
Brendan M. O'Rourke
SVP, Enterprise Risk Mgmt. |
8,917 | 8,745 | 1,344 $48,666 | 11 |
Jan 29, 2022
Reduced 8.45%
|
|
Mark A Rynning
SVP, R&S Infrastructure |
10,693 | 10,928 | 1,164 $42,148 | 8 |
Nov 18, 2021
Reduced 29.5%
|
|
John M. Douglas
Director |
718 | 108 | 610 $22,088 | 2 |
Feb 27, 2025
Reduced 15.04%
|