| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 06, 2026 | Gift | - | 11,100 | - | 138,251 | Feb 06, 2026, 05:07 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 30, 2025 | Tax Payment (Shares) | $34.74 | 4,044 | 140,489 | 149,219 | Dec 02, 2025, 08:11 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 30, 2025 | Option/RSU Exercise | - | 7,327 | - | 153,263 | Dec 02, 2025, 08:11 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2025 | Tax Payment (Shares) | $35.69 | 18,253 | 651,450 | 145,936 | Nov 20, 2025, 06:42 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2025 | Option/RSU Exercise | - | 5,690 | - | 136,805 | Nov 20, 2025, 06:42 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 30, 2024 | Tax Payment (Shares) | $41.51 | 2,008 | 83,352 | 130,966 | Dec 03, 2024, 07:58 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 30, 2024 | Option/RSU Exercise | - | 3,645 | - | 132,974 | Dec 03, 2024, 07:58 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 20, 2024 | Tax Payment (Shares) | $40.22 | 15,330 | 616,573 | 129,329 | Nov 22, 2024, 07:04 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2024 | Tax Payment (Shares) | $41.12 | 5,166 | 212,426 | 116,829 | Nov 20, 2024, 05:30 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2024 | Option/RSU Exercise | - | 9,375 | - | 121,995 | Nov 20, 2024, 05:30 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Sep 11, 2024 | Sale | $46.57 | 36,830 | 1,715,173 | 112,620 | Sep 12, 2024, 07:03 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 22, 2024 | Sale | $175.67 | 7,515 | 1,320,160 | 29,890 | Feb 22, 2024, 06:31 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 05, 2024 | Sale | $165.01 | 7,128 | 1,176,182 | 37,405 | Feb 07, 2024, 08:04 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 21, 2023 | Tax Payment (Shares) | $164.32 | 4,098 | 673,383 | 44,498 | Nov 22, 2023, 07:55 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2023 | Option/RSU Exercise | - | 2,690 | - | 42,461 | Nov 21, 2023, 09:46 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2023 | Tax Payment (Shares) | $165.10 | 1,455 | 240,221 | 41,006 | Nov 21, 2023, 09:46 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 06, 2023 | Sale | $151.18 | 10,515 | 1,589,614 | 39,771 | Feb 08, 2023, 04:15 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2022 | Tax Payment (Shares) | $156.63 | 6,823 | 1,068,687 | 50,248 | Nov 22, 2022, 08:57 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2022 | Option/RSU Exercise | - | 3,057 | - | 57,071 | Nov 22, 2022, 08:57 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Dec 08, 2021 | Sale | $188.73 | 16,132 | 3,044,609 | 44,393 | Dec 10, 2021, 05:14 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Dec 03, 2021 | Sale | $185.18 | 2,790 | 516,647 | 60,525 | Dec 03, 2021, 08:10 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Dec 03, 2021 | Option/RSU Exercise | $47.95 | 2,790 | 133,781 | 63,315 | Dec 03, 2021, 08:10 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 23, 2021 | Tax Payment (Shares) | $190.38 | 6,484 | 1,234,424 | 60,525 | Nov 24, 2021, 07:58 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2021 | Tax Payment (Shares) | $187.88 | 1,844 | 346,451 | 56,690 | Nov 22, 2021, 07:40 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2021 | Option/RSU Exercise | - | 2,554 | - | 58,534 | Nov 22, 2021, 07:40 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 03, 2021 | Sale | $129.46 | 10,801 | 1,398,243 | 55,980 | Feb 04, 2021, 06:20 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2020 | Tax Payment (Shares) | $122.00 | 9,338 | 1,139,236 | 66,723 | Nov 20, 2020, 06:07 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2020 | Option/RSU Exercise | $40.14 | 21,614 | 867,611 | 80,287 | Nov 20, 2020, 06:07 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2020 | Sale | $123.41 | 19,798 | 2,443,192 | 60,489 | Nov 20, 2020, 06:07 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Aug 05, 2020 | Option/RSU Exercise | $27.16 | 17,622 | 478,614 | 78,111 | Aug 05, 2020, 07:20 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Aug 05, 2020 | Sale | $91.38 | 17,622 | 1,610,268 | 60,489 | Aug 05, 2020, 07:20 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 10, 2020 | Option/RSU Exercise | $27.26 | 16,229 | 442,403 | 76,718 | Feb 12, 2020, 06:55 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 10, 2020 | Sale | $95.27 | 16,229 | 1,546,173 | 60,489 | Feb 12, 2020, 06:55 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 06, 2020 | Option/RSU Exercise | $28.58 | 23,143 | 661,427 | 83,632 | Feb 07, 2020, 06:46 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Feb 06, 2020 | Sale | $92.40 | 23,143 | 2,138,520 | 60,489 | Feb 07, 2020, 06:46 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 25, 2019 | Sale | $87.43 | 16,000 | 1,398,806 | 60,393 | Nov 27, 2019, 06:55 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 25, 2019 | Option/RSU Exercise | $24.26 | 16,000 | 388,160 | 76,393 | Nov 27, 2019, 06:55 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 20, 2019 | Tax Payment (Shares) | $86.28 | 704 | 60,741 | 60,393 | Nov 22, 2019, 04:34 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2019 | Tax Payment (Shares) | $87.15 | 7,807 | 680,380 | 61,097 | Nov 20, 2019, 08:25 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2019 | Option/RSU Exercise | - | 1,001 | - | 57,169 | Nov 20, 2019, 08:25 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Aug 19, 2019 | Sale | $81.18 | 27,500 | 2,232,450 | 56,168 | Aug 21, 2019, 05:10 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Aug 19, 2019 | Option/RSU Exercise | $22.53 | 27,500 | 619,575 | 83,668 | Aug 21, 2019, 05:10 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 20, 2018 | Tax Payment (Shares) | $63.44 | 9,714 | 616,256 | 57,428 | Nov 21, 2018, 08:10 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 21, 2018 | Tax Payment (Shares) | $62.68 | 663 | 41,557 | 56,061 | Nov 21, 2018, 08:10 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 18, 2018 | Tax Payment (Shares) | $65.34 | 931 | 60,832 | 49,741 | Nov 19, 2018, 09:03 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Mar 13, 2018 | Option/RSU Exercise | $23.48 | 16,750 | 393,290 | 67,422 | Mar 15, 2018, 08:02 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Mar 13, 2018 | Sale | $51.67 | 16,750 | 865,412 | 50,672 | Mar 15, 2018, 08:02 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 22, 2017 | Tax Payment (Shares) | $49.65 | 496 | 24,626 | 50,549 | Nov 24, 2017, 03:39 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 21, 2017 | Tax Payment (Shares) | $50.00 | 8,937 | 446,850 | 51,686 | Nov 22, 2017, 04:22 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP, CFO | Nov 20, 2017 | Tax Payment (Shares) | $48.55 | 491 | 23,838 | 40,885 | Nov 21, 2017, 05:12 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | CFO | May 23, 2017 | Option/RSU Exercise | $25.55 | 16,750 | 427,962 | 55,012 | May 24, 2017, 06:50 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | CFO | May 23, 2017 | Sale | $44.87 | 16,750 | 751,542 | 38,262 | May 24, 2017, 06:50 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP AND CFO | Nov 21, 2016 | Tax Payment (Shares) | $41.25 | 462 | 19,058 | 38,748 | Nov 23, 2016, 04:43 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP AND CFO | Nov 22, 2016 | Tax Payment (Shares) | $42.80 | 1,691 | 72,375 | 38,428 | Nov 23, 2016, 04:43 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP AND CFO | Nov 20, 2016 | Tax Payment (Shares) | $40.80 | 491 | 20,033 | 39,210 | Nov 22, 2016, 07:05 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP & CFO | Nov 16, 2016 | Tax Payment (Shares) | $41.65 | 301 | 12,537 | 36,250 | Nov 17, 2016, 09:58 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP & CFO | Nov 16, 2016 | Option/RSU Exercise | - | 800 | - | 36,551 | Nov 17, 2016, 09:58 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP and CFO | Jul 11, 2016 | Option/RSU Exercise | $16.98 | 16,750 | 284,415 | 52,501 | Jul 12, 2016, 07:18 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP and CFO | Jul 11, 2016 | Sale | $31.23 | 16,750 | 523,138 | 35,751 | Jul 12, 2016, 07:18 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP AND CFO | Nov 21, 2015 | Tax Payment (Shares) | $27.16 | 462 | 12,548 | 36,208 | Nov 24, 2015, 07:27 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP AND CFO | Nov 22, 2015 | Tax Payment (Shares) | $27.16 | 1,691 | 45,928 | 35,888 | Nov 24, 2015, 07:27 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP & CFO | Nov 16, 2015 | Tax Payment (Shares) | $26.85 | 301 | 8,082 | 33,585 | Nov 18, 2015, 04:59 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP & CFO | Nov 16, 2015 | Option/RSU Exercise | - | 800 | - | 33,886 | Nov 18, 2015, 04:59 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP AND CFO | Jul 13, 2015 | Option/RSU Exercise | $23.68 | 16,750 | 396,640 | 49,836 | Jul 14, 2015, 03:09 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP AND CFO | Jul 13, 2015 | Sale | $25.50 | 16,750 | 427,125 | 33,086 | Jul 14, 2015, 03:09 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EVP and CFO | Dec 15, 2014 | Award/Grant | $21.44 | 233 | 4,995 | 33,086 | Jun 05, 2015, 07:52 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 22, 2014 | Tax Payment (Shares) | $27.26 | 1,692 | 46,124 | 33,320 | Dec 03, 2014, 01:58 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 22, 2014 | Tax Payment (Shares) | $27.26 | 1,334 | 36,365 | 33,678 | Nov 25, 2014, 02:31 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 16, 2014 | Tax Payment (Shares) | $27.01 | 301 | 8,130 | 32,421 | Nov 18, 2014, 09:07 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 16, 2014 | Option/RSU Exercise | - | 800 | - | 32,722 | Nov 18, 2014, 09:07 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Aug 21, 2014 | Option/RSU Exercise | $17.71 | 16,750 | 296,642 | 48,672 | Aug 21, 2014, 07:59 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Aug 21, 2014 | Sale | $25.75 | 16,750 | 431,237 | 31,922 | Aug 21, 2014, 07:59 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Feb 12, 2014 | Sale | $28.70 | 25,000 | 717,605 | 31,922 | Feb 14, 2014, 07:42 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Feb 12, 2014 | Option/RSU Exercise | $18.07 | 25,000 | 451,750 | 56,922 | Feb 14, 2014, 07:42 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 16, 2013 | Tax Payment (Shares) | $28.87 | 301 | 8,690 | 25,206 | Feb 14, 2014, 07:37 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 16, 2013 | Tax Payment (Shares) | $28.87 | 301 | 8,690 | 24,979 | Nov 19, 2013, 08:37 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 16, 2013 | Option/RSU Exercise | - | 800 | - | 25,280 | Nov 19, 2013, 08:37 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 16, 2012 | Tax Payment (Shares) | $24.26 | 1,502 | 36,439 | 25,369 | Nov 20, 2012, 11:27 AM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Dec 30, 2011 | Award/Grant | $18.35 | 272 | 4,992 | 19,362 | May 10, 2012, 11:21 AM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Dec 08, 2011 | Gift | - | 900 | - | 64,963 | Dec 09, 2011, 08:11 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | EXECUTIVE VICE PRESIDENT | Nov 14, 2011 | Tax Payment (Shares) | $22.41 | 1,293 | 28,974 | 19,274 | Nov 16, 2011, 12:16 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | SENIOR VICE PRESIDENT | Dec 31, 2010 | Award/Grant | $21.30 | 234 | 4,984 | 15,163 | Jan 13, 2011, 11:58 AM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | SENIOR VICE PRESIDENT | Dec 31, 2010 | Award/Grant | $21.30 | 234 | 4,984 | 15,163 | Jan 13, 2011, 11:45 AM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | SENIOR VICE PRESIDENT | Nov 16, 2010 | Tax Payment (Shares) | $22.77 | 566 | 12,888 | 14,929 | Nov 17, 2010, 04:21 PM | |
| TTEK | TETRA TECH INC | Steven M. Burdick | SENIOR VICE PRESIDENT | Nov 15, 2010 | Tax Payment (Shares) | $23.36 | 404 | 9,437 | 15,055 | Nov 16, 2010, 05:28 PM |
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