TETRA TECH INC (TTEK)

Latest Insider Confidence Score

2026Q1

50.6
Bullish

Company insider confidence (by quarter)

2014Q4 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Ritrievi Kimberly E Director 143,200 Mar 14, 2025
Brownlie William R SVP, Chief Engineer 85,419 Nov 7, 2022
Lewis J Christopher Director 57,875 Dec 16, 2022
Christensen Craig L SVP, CIO 36,428 Nov 7, 2022
Lemmon Richard A SVP, Corporate Administration 35,818 Nov 7, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 19, 2026 Feb 20, 2026 Obiaya Christiana Director Neutral 52.5 - 0.00% ✗ -
Feb 19, 2026 Feb 20, 2026 Argus Roger R CEO Neutral 52.5 - 0.00% ✗ -
Feb 10, 2026 Feb 12, 2026 Volpi Kirsten M Director Neutral 52.5 - 0.00% ✗ -
Feb 6, 2026 Feb 6, 2026 BURDICK STEVEN M CFO Neutral 27.5 -11,100 -7.43% ✗ -
Feb 4, 2026 Feb 6, 2026 CARTER BRIAN N SVP, Corporate Controller Sell 20.0 -9,979 -17.67% ✗ $401.4K
Jan 26, 2026 Jan 28, 2026 Feeler Jeffrey R Director Neutral 52.5 - 0.00% ✗ -
Jan 26, 2026 Jan 28, 2026 Hardwick M Susan Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2025 Jan 14, 2026 Birkenbeuel Gary Director Neutral 90.0 +9,667 11.46% ✗ -
Jan 12, 2026 Jan 14, 2026 Ritrievi Kimberly E Director Neutral 77.5 +2,208 1.54% ✗ -
Jan 8, 2026 Feeler Jeffrey R Director Neutral 52.5 - 0.00% ✗ -
Jan 6, 2026 Hardwick M Susan Director Neutral 52.5 - 0.00% ✗ -
Nov 19, 2025 Dec 3, 2025 Ritrievi Kimberly E Director Neutral 52.5 - 0.00% ✗ -
Nov 30, 2025 Dec 2, 2025 Volpi Kirsten M Director Neutral 52.5 - 0.00% ✗ -
Nov 30, 2025 Dec 2, 2025 SHOEMAKER LESLIE L EVP, Chief Sustainability Sell 22.5 -3,707 -1.12% ✗ $128.8K
Nov 30, 2025 Dec 2, 2025 Obiaya Christiana Director Neutral 52.5 - 0.00% ✗ -
Nov 30, 2025 Dec 2, 2025 Hopson Preston EVP, Chief Legal/Human Capital Sell 22.5 -2,044 -2.40% ✗ $71K
Nov 30, 2025 Dec 2, 2025 Gandhi Prashant Director Neutral 52.5 - 0.00% ✗ -
Nov 18, 2025 Dec 2, 2025 CARTER BRIAN N SVP, Corporate Controller Sell 85.0 +2,243 1.02% ✗ $309.5K
Nov 30, 2025 Dec 2, 2025 BURDICK STEVEN M CFO Sell 22.5 -4,044 -2.64% ✗ $140.5K
Nov 19, 2025 Dec 2, 2025 Birkenbeuel Gary Director Neutral 52.5 - 0.00% ✗ -
Nov 30, 2025 Dec 2, 2025 Argus Roger R President Sell 22.5 -2,865 -6.70% ✗ $99.5K
Nov 30, 2025 Dec 2, 2025 BATRACK DAN L CEO Sell 20.0 -22,396 -6.31% ✗ $778K
Nov 18, 2025 Nov 20, 2025 BATRACK DAN L CEO Sell 100.0 +55,397 21.40% ✗ $3.9M
Nov 18, 2025 Nov 20, 2025 Gandhi Prashant Director Neutral 90.0 +4,104 38.24% ✗ -
Nov 18, 2025 Nov 20, 2025 Argus Roger R President Sell 97.5 +7,283 24.05% ✗ $521.8K
Nov 18, 2025 Nov 20, 2025 Obiaya Christiana Director Neutral 90.0 +3,643 95.62% ✗ -
Nov 18, 2025 Nov 20, 2025 SHOEMAKER LESLIE L EVP, Chief Sustainability Sell 90.0 +9,131 2.91% ✗ $651.4K
Nov 18, 2025 Nov 20, 2025 Hopson Preston EVP, Chief Legal/Human Capital Sell 97.5 +11,475 16.75% ✗ $372.1K
Nov 18, 2025 Nov 20, 2025 BURDICK STEVEN M CFO Sell 92.5 +9,131 6.67% ✗ $651.4K
Nov 18, 2025 Nov 20, 2025 Volpi Kirsten M Director Neutral 85.0 +4,104 6.58% ✗ -
Aug 14, 2025 Aug 15, 2025 Birkenbeuel Gary Director Sell 22.5 -2,390 -5.96% ✗ $86.1K
Nov 20, 2024 Mar 14, 2025 Ritrievi Kimberly E Director Neutral 52.5 - 0.00% ✗ -
Feb 27, 2025 Mar 3, 2025 Douglas John M. Director Sell 27.5 -108 -15.04% ✗ $3K
Feb 4, 2025 Feb 6, 2025 Volpi Kirsten M Director Sell 20.0 -13,916 -5.16% ✗ $347.3K
Nov 30, 2024 Dec 3, 2024 Volpi Kirsten M Director Neutral 52.5 - 0.00% ✗ -
Nov 30, 2024 Dec 3, 2024 SHOEMAKER LESLIE L EVP, Chief Sustainability Sell 32.5 -1,675 -0.54% ✗ $69.5K
Nov 30, 2024 Dec 3, 2024 Obiaya Christiana Director Neutral 52.5 - 0.00% ✗ -
Nov 30, 2024 Dec 3, 2024 Hopson Preston III EVP, Chief Legal/Human Capital Sell 26.3 -1,077 -1.66% ✗ $44.7K
Nov 30, 2024 Dec 3, 2024 Gandhi Prashant Director Neutral 52.5 - 0.00% ✗ -
Nov 30, 2024 Dec 3, 2024 CARTER BRIAN N SVP, Corporate Controller Sell 26.3 -828 -1.65% ✗ $34.4K
Nov 30, 2024 Dec 3, 2024 BURDICK STEVEN M CFO Sell 22.5 -2,008 -1.51% ✗ $83.4K
Nov 30, 2024 Dec 3, 2024 BATRACK DAN L CEO Sell 20.0 -11,708 -4.93% ✗ $486K
Nov 30, 2024 Dec 3, 2024 Argus Roger R President Sell 22.5 -1,507 -5.57% ✗ $62.6K
Nov 20, 2024 Nov 22, 2024 Volpi Kirsten M Director Neutral 85.0 +4,397 6.89% ✗ -
Nov 20, 2024 Nov 22, 2024 SHOEMAKER LESLIE L EVP, Chief Sustainability Sell 85.0 +6,252 2.08% ✗ $308.4K
Nov 20, 2024 Nov 22, 2024 Ritrievi Kimberly E Director Neutral 77.5 +2,390 1.67% ✗ -
Nov 20, 2024 Nov 22, 2024 Obiaya Christiana Director Neutral 52.5 - 0.00% ✗ -
Nov 20, 2024 Nov 22, 2024 Hopson Preston III EVP, Chief Legal/Human Capital Sell 97.5 +13,770 28.48% ✗ $359.4K
Nov 20, 2024 Nov 22, 2024 Gandhi Prashant Director Neutral 90.0 +4,921 133.54% ✗ -
Nov 20, 2024 Nov 22, 2024 Douglas John M. Director Neutral 52.5 - 0.00% ✗ -
Nov 20, 2024 Nov 22, 2024 CARTER BRIAN N SVP, Corporate Controller Sell 95.0 +5,002 11.49% ✗ $240.6K
Nov 20, 2024 Nov 22, 2024 BURDICK STEVEN M CFO Sell 97.5 +12,500 10.70% ✗ $616.6K
Nov 20, 2024 Nov 22, 2024 Birkenbeuel Gary Director Neutral 52.5 - 0.00% ✗ -
Nov 20, 2024 Nov 22, 2024 BATRACK DAN L CEO Sell 100.0 +69,581 47.47% ✗ $3.4M
Nov 20, 2024 Nov 22, 2024 Argus Roger R President Sell 97.5 +10,198 72.24% ✗ $503K
Nov 18, 2024 Nov 20, 2024 Hopson Preston III EVP, Chief Legal/Human Capital Sell 22.5 -3,016 -5.87% ✗ $124K
Nov 18, 2024 Nov 20, 2024 SHOEMAKER LESLIE L EVP, Chief Sustainability Sell 22.5 -5,166 -1.69% ✗ $212.4K
Nov 18, 2024 Nov 20, 2024 CARTER BRIAN N SVP, Corporate Controller Sell 22.5 -2,070 -4.54% ✗ $85.1K
Nov 18, 2024 Nov 20, 2024 BURDICK STEVEN M CFO Sell 22.5 -5,166 -4.23% ✗ $212.4K
Nov 18, 2024 Nov 20, 2024 BATRACK DAN L CEO Sell 17.5 -27,230 -15.67% ✗ $1.1M
Nov 18, 2024 Nov 20, 2024 Argus Roger R President Sell 22.5 -4,108 -22.54% ✗ $168.9K
Sep 30, 2024 Oct 2, 2024 Douglas John M. Director Neutral 52.5 - 0.00% ✗ -
Sep 30, 2024 Oct 2, 2024 Maguire Joanne M Director Neutral 52.5 - 0.00% ✗ -
Oct 2, 2024 Douglas John M. Director Neutral 52.5 - 0.00% ✗ -
Sep 11, 2024 Sep 12, 2024 BURDICK STEVEN M CFO Sell 17.5 -36,830 -24.64% ✗ $1.7M
Sep 11, 2024 Sep 12, 2024 Ritrievi Kimberly E Director Sell 20.0 -6,500 -4.34% ✗ $302.1K
Sep 10, 2024 Sep 12, 2024 SHOEMAKER LESLIE L EVP, Chief Sustainability Sell 17.5 -78,420 -20.94% ✗ $3.6M
Sep 10, 2024 Sep 12, 2024 Volpi Kirsten M Director Sell 22.5 -1,950 -2.97% ✗ $89.7K
Aug 20, 2024 Aug 22, 2024 Birkenbeuel Gary Director Neutral 52.5 - 0.00% ✗ -
Aug 12, 2024 Aug 14, 2024 Volpi Kirsten M Director Neutral 52.5 - 0.00% ✗ -
Aug 6, 2024 Aug 8, 2024 BATRACK DAN L CEO Sell 17.5 -17,924 -41.88% ✗ $4.1M
Aug 7, 2024 Aug 8, 2024 Hopson Preston III SVP, General Counsel Sell 17.5 -5,000 -36.38% ✗ $1.2M
Aug 5, 2024 Aug 7, 2024 Maguire Joanne M Director Sell 22.5 -862 -4.31% ✗ $194.2K
Jun 13, 2024 Jun 14, 2024 SHOEMAKER LESLIE L EVP, Chief Sustainability Sell 17.5 -11,161 -12.97% ✗ $2.4M
Apr 26, 2023 Apr 30, 2024 Hudkins Jill President Sell 26.3 -231 -4.05% ✗ $37.4K
Feb 22, 2024 Feb 22, 2024 BURDICK STEVEN M CFO Sell 17.5 -7,515 -20.09% ✗ $1.3M
Feb 20, 2024 Feb 22, 2024 BATRACK DAN L CEO Neutral 27.5 -5,800 -11.93% ✗ -
Feb 14, 2024 Feb 16, 2024 THOMPSON J KENNETH Director Sell 20.0 -3,500 -24.16% ✗ $620.3K
Feb 9, 2024 Feb 13, 2024 CARTER BRIAN N SVP, Corporate Controller Sell 20.0 -5,580 -40.03% ✗ $985K
Feb 6, 2024 Feb 7, 2024 Volpi Kirsten M Director Neutral 52.5 - 0.00% ✗ -
Feb 5, 2024 Feb 7, 2024 BURDICK STEVEN M CFO Sell 17.5 -7,128 -16.01% ✗ $1.2M
Feb 5, 2024 Feb 7, 2024 THOMPSON J KENNETH Director Sell 17.5 -8,400 -36.71% ✗ $1.4M
Jan 30, 2024 Feb 1, 2024 Obiaya Christiana Director Neutral 52.5 - 0.00% ✗ -
Dec 1, 2023 Dec 5, 2023 Volpi Kirsten M Director Sell 20.0 -2,894 -18.99% ✗ $362.6K
Dec 4, 2023 Dec 5, 2023 CARTER BRIAN N SVP, Corporate Controller Sell 22.5 -1,474 -14.99% ✗ $244.1K
Nov 28, 2023 Nov 29, 2023 BATRACK DAN L CEO Sell 17.5 -22,000 -31.18% ✗ $3.6M
Nov 27, 2023 Nov 28, 2023 Hudkins Jill President Sell 22.5 -906 -26.41% ✗ $149.1K
Nov 27, 2023 Nov 28, 2023 Argus Roger R President Sell 20.0 -3,670 -63.40% ✗ $601.6K
Nov 21, 2023 Nov 22, 2023 Volpi Kirsten M Director Neutral 85.0 +1,054 7.43% ✗ -
Nov 21, 2023 Nov 22, 2023 THOMPSON J KENNETH Director Neutral 85.0 +729 5.30% ✗ -
Nov 21, 2023 Nov 22, 2023 SHOEMAKER LESLIE L EVP, Chief Sustainability Sell 85.0 +1,746 2.39% ✗ $337K
Nov 21, 2023 Nov 22, 2023 Ritrievi Kimberly E Director Neutral 52.5 - 0.00% ✗ -
Nov 21, 2023 Nov 22, 2023 Obiaya Christiana Director Neutral 52.5 - 0.00% ✗ -
Nov 21, 2023 Nov 22, 2023 Maguire Joanne M Director Neutral 85.0 +1,054 7.05% ✗ -
Nov 21, 2023 Nov 22, 2023 Hudkins Jill President Neutral 52.5 - 0.00% ✗ -
Nov 21, 2023 Nov 22, 2023 Hopson Preston III SVP, General Counsel Sell 97.5 +1,780 14.88% ✗ $747.7K
Nov 21, 2023 Nov 22, 2023 Gandhi Prashant Director Neutral 52.5 - 0.00% ✗ -
Nov 21, 2023 Nov 22, 2023 Birkenbeuel Gary Director Neutral 52.5 - 0.00% ✗ -
Nov 21, 2023 Nov 22, 2023 CARTER BRIAN N SVP, Corporate Controller Sell 97.5 +1,474 17.63% ✗ $277.4K
Nov 21, 2023 Nov 22, 2023 BURDICK STEVEN M CFO Sell 92.5 +3,492 8.52% ✗ $673.4K