Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Tetra Tech Inc (TTEK) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Tetra Tech Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 831641.
Total stock buying since 2015: $0.
Total stock sales since 2015: $224,266,848.
Total stock option exercises since 2015: $62,102,563.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 12,506 | $433,523 | 6,718 | $77,579 |
| 2024 | 0 | $0 | 189,908 | $18,822,026 | 161,544 | $1,434,751 |
| 2023 | 0 | $0 | 60,691 | $9,640,700 | 30,699 | $128,666 |
| 2022 | 0 | $0 | 43,066 | $6,556,402 | 57,111 | $845,762 |
| 2021 | 0 | $0 | 216,846 | $35,024,461 | 108,723 | $2,715,042 |
| 2020 | 0 | $0 | 571,193 | $60,552,133 | 470,785 | $13,060,268 |
| 2019 | 0 | $0 | 411,619 | $30,493,459 | 415,445 | $10,141,474 |
| 2018 | 0 | $0 | 273,535 | $14,848,112 | 259,284 | $6,325,165 |
| 2017 | 0 | $0 | 722,459 | $33,318,615 | 695,769 | $16,769,573 |
| 2016 | 0 | $0 | 244,990 | $7,746,843 | 259,087 | $4,703,532 |
| 2015 | 0 | $0 | 263,045 | $6,830,574 | 279,091 | $5,900,751 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 0 | $0 | 2,390 | $86,049 | 0 | $0 |
| 2025-02 | 0 | $0 | 10,116 | $347,474 | 6,718 | $77,579 |
| 2024-11 | 0 | $0 | 0 | $0 | 128,405 | $0 |
| 2024-09 | 0 | $0 | 123,700 | $5,723,017 | 2,125 | $0 |
| 2024-08 | 0 | $0 | 22,924 | $5,247,092 | 4,786 | $235,296 |
| 2024-06 | 0 | $0 | 11,161 | $2,364,256 | 11,161 | $535,169 |
| 2024-04 | 0 | $0 | 0 | $0 | 250 | $0 |
| 2024-02 | 0 | $0 | 32,123 | $5,487,661 | 14,480 | $664,286 |
| 2024-01 | 0 | $0 | 0 | $0 | 337 | $0 |
| 2023-12 | 0 | $0 | 3,702 | $606,653 | 0 | $0 |
| 2023-11 | 0 | $0 | 34,040 | $5,538,679 | 29,624 | $95,006 |
| 2023-06 | 0 | $0 | 9,734 | $1,502,625 | 0 | $0 |
| 2023-04 | 0 | $0 | 0 | $0 | 250 | $0 |
| 2023-02 | 0 | $0 | 13,215 | $1,992,743 | 825 | $33,660 |
| 2022-11 | 0 | $0 | 13,231 | $2,068,526 | 31,344 | $0 |
| 2022-08 | 0 | $0 | 18,000 | $2,590,726 | 16,800 | $601,322 |
| 2022-06 | 0 | $0 | 1,650 | $223,431 | 0 | $0 |
| 2022-03 | 0 | $0 | 10,185 | $1,673,719 | 8,967 | $244,440 |
| 2021-12 | 0 | $0 | 101,742 | $18,803,339 | 17,277 | $828,431 |
| 2021-11 | 0 | $0 | 11,081 | $2,096,563 | 36,600 | $200,472 |
| 2021-09 | 0 | $0 | 18,234 | $2,720,958 | 8,956 | $243,720 |
| 2021-08 | 0 | $0 | 1,710 | $240,684 | 4,200 | $120,036 |
| 2021-06 | 0 | $0 | 5,575 | $664,261 | 0 | $0 |
| 2021-05 | 0 | $0 | 13,457 | $1,598,718 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-14 | Birkenbeuel Gary (Director) | Sale | 2,390 | 36.00 | 86,049 |
| 2025-02-27 | Douglas John M. (Director) | Option Ex | 718 | 27.91 | 20,039 |
| 2025-02-05 | Volpi Kirsten M (Director) | Option Ex | 6,000 | 9.59 | 57,540 |
| 2025-02-04 | Volpi Kirsten M (Director) | Sale | 10,116 | 34.35 | 347,474 |
| 2024-11-30 | Gandhi Prashant (Director) | Option Ex | 2,125 | .00 | 0 |
| 2024-11-30 | Obiaya Christiana (Director) | Option Ex | 2,125 | .00 | 0 |
| 2024-11-30 | Hopson Preston Iii (EVP, Chief Legal/Human Capital) | Option Ex | 2,735 | .00 | 0 |
| 2024-11-30 | Argus Roger R (President, Commer/Int'l Group) | Option Ex | 2,735 | .00 | 0 |
| 2024-11-30 | Volpi Kirsten M (Director) | Option Ex | 2,125 | .00 | 0 |
| 2024-11-30 | Carter Brian N (SVP, Corporate Controller) | Option Ex | 1,520 | .00 | 0 |
| 2024-11-30 | Shoemaker Leslie L (EVP, Chief Sustainability) | Option Ex | 3,040 | .00 | 0 |
| 2024-11-30 | Burdick Steven M (EVP, CFO) | Option Ex | 3,645 | .00 | 0 |
| 2024-11-30 | Batrack Dan L (Chairman, CEO and President) | Option Ex | 21,255 | .00 | 0 |
| 2024-11-18 | Hopson Preston Iii (EVP, Chief Legal/Human Capital) | Option Ex | 7,660 | .00 | 0 |
| 2024-11-18 | Argus Roger R (President, Commer/Int'l Group) | Option Ex | 7,455 | .00 | 0 |
| 2024-11-18 | Carter Brian N (SVP, Corporate Controller) | Option Ex | 3,800 | .00 | 0 |
| 2024-11-18 | Shoemaker Leslie L (EVP, Chief Sustainability) | Option Ex | 9,375 | .00 | 0 |
| 2024-11-18 | Burdick Steven M (EVP, CFO) | Option Ex | 9,375 | .00 | 0 |
| 2024-11-18 | Batrack Dan L (Chairman, CEO and President) | Option Ex | 49,435 | .00 | 0 |
| 2024-09-30 | Maguire Joanne M (Director) | Option Ex | 2,125 | .00 | 0 |
| 2024-09-11 | Ritrievi Kimberly E (Director) | Sale | 6,500 | 46.48 | 302,120 |
| 2024-09-11 | Burdick Steven M (EVP, CFO) | Sale | 36,830 | 46.57 | 1,715,173 |
| 2024-09-10 | Volpi Kirsten M (Director) | Sale | 1,950 | 46.00 | 89,700 |
| 2024-09-10 | Shoemaker Leslie L (EVP, Chief Sustainability) | Sale | 78,420 | 46.11 | 3,616,024 |
| 2024-08-20 | Birkenbeuel Gary (Director) | Option Ex | 486 | 59.90 | 29,111 |
| 2024-08-12 | Volpi Kirsten M (Director) | Option Ex | 300 | 47.95 | 14,385 |
| 2024-08-07 | Hopson Preston Iii (SVP, General Counsel) | Sale | 5,000 | 233.07 | 1,165,350 |
| 2024-08-06 | Batrack Dan L (CHAIRMAN AND CEO) | Sale | 17,924 | 227.72 | 4,081,742 |
| 2024-08-05 | Maguire Joanne M (Director) | Option Ex | 4,000 | 47.95 | 191,800 |
| 2024-06-13 | Shoemaker Leslie L (EVP, Chief Sustainability) | Sale | 11,161 | 211.83 | 2,364,256 |
| 2024-06-13 | Shoemaker Leslie L (EVP, Chief Sustainability) | Option Ex | 11,161 | 47.95 | 535,169 |
| 2024-04-26 | Hudkins Jill (President) | Option Ex | 250 | .00 | 0 |
| 2024-02-22 | Burdick Steven M (EVP, CFO) | Sale | 7,515 | 175.67 | 1,320,160 |
| 2024-02-14 | Thompson J Kenneth (Director) | Sale | 3,500 | 177.24 | 620,336 |
| 2024-02-09 | Carter Brian N (SVP, Corporate Controller) | Sale | 5,580 | 176.52 | 984,981 |
| 2024-02-09 | Carter Brian N (SVP, Corporate Controller) | Option Ex | 5,580 | 47.95 | 267,561 |
| 2024-02-06 | Volpi Kirsten M (Director) | Option Ex | 500 | 47.95 | 23,975 |
| 2024-02-05 | Burdick Steven M (EVP, CFO) | Sale | 7,128 | 165.01 | 1,176,184 |
| 2024-02-05 | Thompson J Kenneth (Director) | Sale | 8,400 | 165.00 | 1,386,000 |
| 2024-02-05 | Thompson J Kenneth (Director) | Option Ex | 8,400 | 44.38 | 372,750 |
| 2024-01-30 | Obiaya Christiana (Director) | Option Ex | 337 | .00 | 0 |
| 2023-12-04 | Carter Brian N (SVP, Corporate Controller) | Sale | 1,474 | 165.58 | 244,064 |
| 2023-12-01 | Volpi Kirsten M (Director) | Sale | 2,228 | 162.74 | 362,589 |
| 2023-11-28 | Batrack Dan L (CHAIRMAN AND CEO) | Sale | 22,000 | 161.51 | 3,553,308 |
| 2023-11-27 | Hudkins Jill (President) | Sale | 906 | 164.52 | 149,053 |
| 2023-11-27 | Argus Roger R (President, GS and C/I Groups) | Sale | 3,670 | 163.92 | 601,586 |
| 2023-11-22 | Hopson Preston Iii (SVP, General Counsel) | Sale | 1,050 | 165.22 | 173,483 |
| 2023-11-21 | Hopson Preston Iii (SVP, General Counsel) | Sale | 1,395 | 164.13 | 228,964 |
| 2023-11-20 | Volpi Kirsten M (Director) | Sale | 559 | 165.50 | 92,514 |
| 2023-11-20 | Thompson J Kenneth (Director) | Sale | 4,460 | 165.87 | 739,771 |
| 2023-11-18 | Hudkins Jill (President) | Option Ex | 806 | .00 | 0 |
| 2023-11-18 | Gandhi Prashant (Director) | Option Ex | 380 | .00 | 0 |
| 2023-11-18 | Hopson Preston Iii (SVP, General Counsel) | Option Ex | 2,114 | .00 | 0 |
| 2023-11-18 | Argus Roger R (President, GS and C/I Groups) | Option Ex | 2,073 | .00 | 0 |
| 2023-11-18 | Volpi Kirsten M (Director) | Option Ex | 2,780 | 34.17 | 95,006 |
| 2023-11-18 | Carter Brian N (SVP, Corporate Controller) | Option Ex | 1,167 | .00 | 0 |
| 2023-11-18 | Shoemaker Leslie L (EVP, Chief Sustainability) | Option Ex | 2,690 | .00 | 0 |
| 2023-11-18 | Maguire Joanne M (Director) | Option Ex | 380 | .00 | 0 |
| 2023-11-18 | Burdick Steven M (EVP, CFO) | Option Ex | 2,690 | .00 | 0 |
| 2023-11-18 | Batrack Dan L (CHAIRMAN AND CEO) | Option Ex | 14,164 | .00 | 0 |
| 2023-11-18 | Thompson J Kenneth (Director) | Option Ex | 380 | .00 | 0 |
| 2023-06-13 | Thompson J Kenneth | Sale | 2,500 | 156.21 | 390,525 |
| 2023-06-07 | Carter Brian N (SVP, Corporate Controller) | Sale | 2,234 | 156.91 | 350,536 |
| 2023-06-02 | Thompson J Kenneth | Sale | 5,000 | 152.31 | 761,564 |
| 2023-04-26 | Hudkins Jill (President) | Option Ex | 250 | .00 | 0 |
| 2023-02-27 | Volpi Kirsten M | Option Ex | 825 | 40.80 | 33,660 |
| 2023-02-16 | Volpi Kirsten M | Sale | 900 | 145.74 | 131,166 |
| 2023-02-08 | Ritrievi Kimberly E | Sale | 1,800 | 151.09 | 271,962 |
| 2023-02-06 | Burdick Steven M (EVP, CFO) | Sale | 10,515 | 151.18 | 1,589,615 |
| 2022-11-23 | Argus Roger R (SVP, Government Services Group) | Sale | 4,115 | 153.67 | 632,360 |
| 2022-11-22 | Hudkins Jill (President) | Sale | 2,000 | 155.06 | 310,130 |
| 2022-11-21 | Hopson Preston Iii (SVP, General Counsel) | Sale | 3,616 | 157.52 | 569,592 |
| 2022-11-18 | Hudkins Jill (President) | Option Ex | 532 | .00 | 0 |
| 2022-11-18 | Hopson Preston Iii (SVP, General Counsel) | Option Ex | 2,148 | .00 | 0 |
| 2022-11-18 | Amidon Derek G (SVP, Comm./Int'l Svcs. Group) | Option Ex | 2,048 | .00 | 0 |
| 2022-11-18 | Argus Roger R (SVP, Government Services Group) | Option Ex | 2,107 | .00 | 0 |
| 2022-11-18 | Volpi Kirsten M | Option Ex | 318 | .00 | 0 |
| 2022-11-18 | Carter Brian N (SVP, Corporate Controller) | Option Ex | 1,453 | .00 | 0 |
| 2022-11-18 | Shoemaker Leslie L (EVP, Chief Sustainability) | Option Ex | 3,057 | .00 | 0 |
| 2022-11-18 | Maguire Joanne M | Option Ex | 318 | .00 | 0 |
| 2022-11-18 | Burdick Steven M (EVP, CFO) | Option Ex | 3,057 | .00 | 0 |
| 2022-11-18 | Batrack Dan L (CHAIRMAN AND CEO) | Option Ex | 15,670 | .00 | 0 |
| 2022-11-18 | Thompson J Kenneth | Option Ex | 318 | .00 | 0 |
| 2022-11-18 | Lewis J Christopher | Option Ex | 318 | .00 | 0 |
| 2022-11-14 | Thompson J Kenneth | Sale | 3,500 | 158.98 | 556,444 |
| 2022-08-25 | Lewis J Christopher | Sale | 16,800 | 143.88 | 2,417,133 |
| 2022-08-25 | Lewis J Christopher | Option Ex | 16,800 | 35.79 | 601,322 |
| 2022-08-19 | Volpi Kirsten M | Sale | 1,200 | 144.66 | 173,593 |
| 2022-06-01 | Volpi Kirsten M | Sale | 1,100 | 135.41 | 148,954 |
| 2022-03-18 | Brownlie William R (SVP, Chief Engineer) | Sale | 8,967 | 165.13 | 1,480,693 |
| 2022-03-18 | Brownlie William R (SVP, Chief Engineer) | Option Ex | 8,967 | 27.26 | 244,440 |
| 2022-03-17 | Haden Patrick C | Sale | 318 | 164.54 | 52,325 |
| 2022-03-08 | Volpi Kirsten M | Sale | 900 | 156.34 | 140,701 |
| 2021-12-10 | Batrack Dan L (CHAIRMAN AND CEO) | Sale | 9,670 | 171.50 | 1,658,443 |
| 2021-12-10 | Batrack Dan L (CHAIRMAN AND CEO) | Option Ex | 9,670 | 47.95 | 463,676 |
| 2021-12-09 | Batrack Dan L (CHAIRMAN AND CEO) | Sale | 4,817 | 181.19 | 872,768 |
| 2021-12-09 | Batrack Dan L (CHAIRMAN AND CEO) | Option Ex | 4,817 | 47.95 | 230,975 |
| 2021-12-08 | O'rourke Brendan M. (SVP, Enterprise Risk Mgmt.) | Sale | 3,633 | 190.00 | 690,270 |
| 2021-12-08 | Burdick Steven M (EVP, CFO) | Sale | 16,132 | 188.73 | 3,044,608 |
| 2021-12-07 | Volpi Kirsten M | Sale | 700 | 189.62 | 132,732 |
| 2021-12-06 | Batrack Dan L (CHAIRMAN AND CEO) | Sale | 64,000 | 185.75 | 11,887,872 |
| 2021-12-03 | Burdick Steven M (EVP, CFO) | Sale | 2,790 | 185.18 | 516,646 |
| 2021-12-03 | Burdick Steven M (EVP, CFO) | Option Ex | 2,790 | 47.95 | 133,780 |
| 2021-11-29 | Carter Brian N (SVP, Corporate Controller) | Sale | 3,015 | 189.44 | 571,161 |
| 2021-11-24 | Argus Roger R (SVP, Government Services Group) | Sale | 5,346 | 189.23 | 1,011,628 |
| 2021-11-24 | Argus Roger R (SVP, Government Services Group) | Option Ex | 1,395 | 47.95 | 66,890 |
| 2021-11-24 | Haden Patrick C | Sale | 2,310 | 189.40 | 437,502 |
| 2021-11-23 | Haden Patrick C | Sale | 410 | 186.03 | 76,272 |
| 2021-11-18 | O'rourke Brendan M. (SVP, Enterprise Risk Mgmt.) | Option Ex | 1,254 | .00 | 0 |
| 2021-11-18 | Hopson Preston Iii (SVP, General Counsel) | Option Ex | 1,736 | .00 | 0 |
| 2021-11-18 | Teufele Bernard (SVP, Canada and South America) | Option Ex | 1,415 | .00 | 0 |
| 2021-11-18 | Rynning Mark A (SVP, R&S Infrastructure) | Option Ex | 1,415 | .00 | 0 |
| 2021-11-18 | Amidon Derek G (SVP, Comm./Int'l Svcs. Group) | Option Ex | 1,637 | .00 | 0 |
| 2021-11-18 | Argus Roger R (SVP, Government Services Group) | Option Ex | 2,844 | 46.97 | 133,582 |
| 2021-11-18 | Volpi Kirsten M | Option Ex | 410 | .00 | 0 |
| 2021-11-18 | Carter Brian N (SVP, Corporate Controller) | Option Ex | 1,254 | .00 | 0 |
| 2021-11-18 | Shoemaker Leslie L (President) | Option Ex | 2,554 | .00 | 0 |
| 2021-11-18 | Maguire Joanne M | Option Ex | 410 | .00 | 0 |
| 2021-11-18 | Brownlie William R (SVP, Chief Engineer) | Option Ex | 1,121 | .00 | 0 |
| 2021-11-18 | Burdick Steven M (EVP, CFO) | Option Ex | 2,554 | .00 | 0 |
| 2021-11-18 | Batrack Dan L (CHAIRMAN AND CEO) | Option Ex | 12,863 | .00 | 0 |
| 2021-11-18 | Christensen Craig L (SVP, CIO) | Option Ex | 1,254 | .00 | 0 |
| 2021-11-18 | Thompson J Kenneth | Option Ex | 410 | .00 | 0 |
| 2021-11-18 | Lemmon Richard A (SVP, Corporate Administration) | Option Ex | 1,254 | .00 | 0 |
| 2021-11-18 | Haden Patrick C | Option Ex | 410 | .00 | 0 |
| 2021-11-18 | Lewis J Christopher | Option Ex | 410 | .00 | 0 |
| 2021-09-07 | Haden Patrick C | Sale | 5,400 | 147.88 | 798,568 |
| 2021-09-03 | Christensen Craig L (SVP, CIO) | Sale | 4,756 | 150.90 | 717,689 |
| 2021-09-03 | Christensen Craig L (SVP, CIO) | Option Ex | 4,756 | 27.26 | 129,648 |
| 2021-09-03 | Thompson J Kenneth | Sale | 4,200 | 152.03 | 638,513 |
| 2021-09-03 | Thompson J Kenneth | Option Ex | 4,200 | 27.16 | 114,072 |
| 2021-09-02 | Lemmon Richard A (SVP, Corporate Administration) | Sale | 3,878 | 146.00 | 566,188 |
| 2021-08-30 | Lewis J Christopher | Sale | 850 | 143.11 | 121,642 |
| 2021-08-30 | Lewis J Christopher | Option Ex | 4,200 | 28.58 | 120,036 |
| 2021-08-11 | Teufele Bernard (SVP, Canada and South America) | Sale | 860 | 138.42 | 119,042 |
| 2021-06-07 | Volpi Kirsten M | Sale | 5,575 | 119.15 | 664,261 |
| 2021-05-20 | Shoemaker Leslie L (President) | Sale | 13,457 | 118.80 | 1,598,718 |
| 2021-02-22 | Carter Brian N (SVP, Corporate Controller) | Sale | 6,459 | 141.24 | 912,243 |
| 2021-02-22 | Carter Brian N (SVP, Corporate Controller) | Option Ex | 6,459 | 40.80 | 263,527 |
| 2021-02-22 | Brownlie William R (SVP, Chief Engineer) | Sale | 12,788 | 141.82 | 1,813,619 |
| 2021-02-22 | Brownlie William R (SVP, Chief Engineer) | Option Ex | 12,788 | 28.58 | 365,481 |
| 2021-02-19 | Lemmon Richard A (SVP, Corporate Administration) | Sale | 10,708 | 138.93 | 1,487,630 |
| 2021-02-19 | Lemmon Richard A (SVP, Corporate Administration) | Option Ex | 2,648 | 47.95 | 126,971 |
| 2021-02-18 | Lemmon Richard A (SVP, Corporate Administration) | Sale | 2,722 | 137.25 | 373,594 |
| 2021-02-18 | Lemmon Richard A (SVP, Corporate Administration) | Option Ex | 1,950 | 47.95 | 93,502 |
| 2021-02-16 | Amidon Derek G (SVP, Comm./Int'l Svcs. Group) | Sale | 7,447 | 136.68 | 1,017,833 |
| 2021-02-16 | Amidon Derek G (SVP, Comm./Int'l Svcs. Group) | Option Ex | 1,395 | 47.95 | 66,890 |
| 2021-02-09 | O'rourke Brendan M. (SVP, Enterprise Risk Mgmt.) | Sale | 1,200 | 135.29 | 162,343 |
| 2021-02-08 | Rynning Mark A (SVP, R&S Infrastructure) | Sale | 3,273 | 136.04 | 445,265 |
| 2021-02-08 | Christensen Craig L (SVP, CIO) | Sale | 4,000 | 135.15 | 540,600 |
Insider trading activities including stock purchases, stock sales, and option exercises of TTEK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Tetra Tech Inc (symbol TTEK, CIK number 831641) see the Securities and Exchange Commission (SEC) website.