Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 79 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

79 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 14, 2022 TTEK S 4,748 $157.68 $748,665 57,875 Direct -7.58% Disposed 4.9% (price as of 2026-10-05)
Dec. 14, 2022 TTEK S 9,901 $157.50 $1,559,408 62,623 Direct -13.65% Disposed 5.0% (price as of 2026-10-05)
Aug. 25, 2022 TTEK S 15,390 $143.57 $2,209,542 70,496 Direct -17.92% Disposed 15.2% (price as of 2026-10-05)
Aug. 25, 2022 TTEK S 1,410 $144.18 $203,294 85,886 Direct -1.62% Disposed 14.7% (price as of 2026-10-05)
Aug. 30, 2021 TTEK S 850 $143.11 $121,644 67,776 Direct -1.24% Disposed 15.6% (price as of 2026-10-05)
Feb. 2, 2021 TTEK S 1,449 $127.60 $184,892 64,426 Direct -2.20% Disposed 29.6% (price as of 2026-10-05)
Nov. 30, 2020 TTEK S 3,780 $119.89 $453,184 57,875 Direct -6.13% Disposed 38.0% (price as of 2026-10-05)
Nov. 30, 2020 TTEK S 4,739 $119.62 $566,879 61,655 Direct -7.14% Disposed 38.3% (price as of 2026-10-05)
Nov. 25, 2020 TTEK S 4,182 $122.75 $513,340 66,394 Direct -5.93% Disposed 34.8% (price as of 2026-10-05)
Nov. 25, 2020 TTEK S 3,830 $122.60 $469,558 70,576 Direct -5.15% Disposed 34.9% (price as of 2026-10-05)
Aug. 12, 2020 TTEK S 1,088 $94.86 $103,208 70,224 Direct -1.53% Disposed 74.4% (price as of 2026-10-05)
Feb. 3, 2020 TTEK S 4,237 $87.11 $369,085 67,112 Direct -5.94% Disposed 89.9% (price as of 2026-10-05)
Sept. 11, 2019 TTEK S 4,489 $82.12 $368,637 51,519 Direct -8.01% Disposed 101.4% (price as of 2026-10-05)
Feb. 8, 2019 TTEK S 3,261 $55.69 $181,605 56,008 Direct -5.50% Disposed 197.0% (price as of 2026-10-05)
Feb. 5, 2018 TTEK S 8,000 $49.91 $399,280 48,389 Direct -14.19% Disposed 231.4% (price as of 2026-10-05)
Nov. 29, 2017 TTEK S 4,401 $49.96 $219,874 48,389 Direct -8.34% Disposed 231.1% (price as of 2026-10-05)
Feb. 6, 2017 TTEK S 10,000 $41.30 $413,000 48,389 Direct -17.13% Disposed 300.5% (price as of 2026-10-05)
Feb. 6, 2017 TTEK S 3,511 $41.31 $145,039 58,389 Direct -5.67% Disposed 300.4% (price as of 2026-10-05)
Feb. 2, 2016 TTEK S 5,495 $26.19 $143,914 52,535 Direct -9.47% Disposed 531.6% (price as of 2026-10-05)
Feb. 18, 2015 TTEK S 5,323 $24.94 $132,756 49,265 Direct -9.75% Disposed 563.3% (price as of 2026-10-05)
Feb. 13, 2014 TTEK S 6,100 $28.65 $174,765 46,323 Direct -11.64% Disposed 477.4% (price as of 2026-10-05)

Showing latest 100 of 147 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Nov. 18, 2022 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (318) $0.00 · 318 Disposed
Nov. 16, 2022 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (380) $0.00 · 380 Acquired
Aug. 25, 2022 TTEK STOCK OPTION COMMON STOCK (4,200) $47.95 Nov. 18, 2027 4,200 Disposed
Aug. 25, 2022 TTEK STOCK OPTION COMMON STOCK (4,200) $40.80 Nov. 19, 2026 4,200 Disposed
Aug. 25, 2022 TTEK STOCK OPTION COMMON STOCK (4,200) $27.16 Nov. 21, 2025 4,200 Disposed
Aug. 25, 2022 TTEK STOCK OPTION COMMON STOCK (4,200) $27.26 Nov. 22, 2024 4,200 Disposed
Nov. 23, 2021 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (318) $0.00 Nov. 19, 2022 318 Acquired
Nov. 18, 2021 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (410) $0.00 Nov. 19, 2021 410 Disposed
Aug. 30, 2021 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $28.58 Nov. 22, 2021 4,200 Disposed
Feb. 2, 2021 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (8,000) $22.81 March 1, 2021 8,000 Disposed
Nov. 19, 2020 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (410) $0.00 Nov. 19, 2021 410 Acquired
Nov. 18, 2020 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (582) $0.00 Nov. 21, 2020 582 Acquired
Aug. 12, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $24.26 Nov. 16, 2020 4,200 Disposed
Feb. 3, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (8,000) $25.27 March 1, 2020 8,000 Disposed
Feb. 3, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (8,000) $20.28 March 1, 2020 8,000 Disposed
Nov. 21, 2019 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (582) · Nov. 21, 2020 582 Acquired
Nov. 18, 2019 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (770) · Nov. 18, 2019 770 Acquired
Feb. 8, 2019 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (8,000) $22.40 March 1, 2019 8,000 Disposed
Nov. 15, 2018 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (770) · Nov. 18, 2019 770 Acquired
Feb. 5, 2018 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (8,000) $18.87 March 1, 2018 8,000 Disposed
Nov. 17, 2017 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $47.95 Nov. 17, 2027 4,200 Acquired
Feb. 6, 2017 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (8,000) $17.74 March 2, 2017 8,000 Disposed
Nov. 18, 2016 TTEK STOCK OPTION COMMON STOCK (4,200) $40.80 Nov. 18, 2026 4,200 Acquired
Nov. 16, 2016 TTEK RESTRICTED STOCK UNITS COMMON STOCK (225) $0.00 Nov. 16, 2016 225 Disposed
Feb. 2, 2016 TTEK STOCK OPTION COMMON STOCK (8,000) $17.94 March 2, 2016 8,000 Disposed
Nov. 20, 2015 TTEK STOCK OPTION COMMON STOCK (4,200) $27.16 Nov. 20, 2025 4,200 Acquired
Nov. 16, 2015 TTEK RESTRICTED STOCK UNITS COMMON STOCK (225) $0.00 Nov. 16, 2016 225 Disposed
Feb. 18, 2015 TTEK STOCK OPTION COMMON STOCK (8,000) $16.55 March 2, 2015 8,000 Disposed
Nov. 21, 2014 TTEK STOCK OPTION COMMON STOCK (4,200) $27.26 Nov. 21, 2022 4,200 Acquired
Nov. 16, 2014 TTEK RESTRICTED STOCK UNITS COMMON STOCK (225) $0.00 Nov. 16, 2016 225 Disposed
Feb. 13, 2014 TTEK STOCK OPTION COMMON STOCK (8,000) $21.41 March 2, 2014 8,000 Disposed
Nov. 22, 2013 TTEK STOCK OPTION COMMON STOCK (4,200) $28.58 Nov. 22, 2021 4,200 Acquired
Nov. 16, 2013 TTEK RESTRICTED STOCK UNITS COMMON STOCK (225) $0.00 Nov. 16, 2016 225 Disposed
Feb. 11, 2013 TTEK STOCK OPTION COMMON STOCK (8,000) $13.16 March 2, 2013 8,000 Disposed
Nov. 16, 2012 TTEK RESTRICTED STOCK UNITS COMMON STOCK (900) · Nov. 16, 2016 900 Acquired
Nov. 16, 2012 TTEK STOCK OPTION COMMON STOCK (4,200) $24.26 Nov. 16, 2020 4,200 Acquired
Feb. 28, 2012 TTEK STOCK OPTION COMMON STOCK (8,000) $25.27 March 1, 2020 8,000 Acquired
Feb. 6, 2012 TTEK EMPLOYEE STOCK OPTION COMMON STOCK (5,960) $18.10 Feb. 20, 2012 5,960 Disposed
March 1, 2011 TTEK STOCK OPTION COMMON STOCK (8,000) $22.81 March 2, 2021 8,000 Acquired
March 1, 2010 TTEK STOCK OPTION COMMON STOCK (8,000) $20.28 Feb. 28, 2020 8,000 Acquired
Feb. 12, 2010 TTEK STOCK OPTION COMMON STOCK (5,960) $15.10 Feb. 18, 2010 5,960 Disposed
March 1, 2009 TTEK STOCK OPTION COMMON STOCK (8,000) $22.40 March 1, 2019 8,000 Acquired
Feb. 4, 2009 TTEK STOCK OPTION COMMON STOCK (5,960) $14.80 Feb. 17, 2009 5,960 Disposed
March 1, 2008 TTEK STOCK OPTION COMMON STOCK (8,000) $18.87 March 2, 2018 8,000 Acquired
Feb. 5, 2008 TTEK STOCK OPTION COMMON STOCK (5,960) $11.52 Feb. 11, 2008 5,960 Disposed
March 1, 2007 TTEK STOCK OPTION COMMON STOCK (8,000) $17.74 March 1, 2017 8,000 Acquired
Feb. 6, 2007 TTEK STOCK OPTION COMMON STOCK (5,960) $6.86 Feb. 7, 2007 5,960 Acquired
March 1, 2006 TTEK STOCK OPTION COMMON STOCK (8,000) $17.94 March 1, 2016 8,000 Acquired
Jan. 31, 2006 TTEK STOCK OPTION COMMON STOCK (5,960) $6.64 Feb. 8, 2006 5,960 Acquired
March 1, 2005 TTEK STOCK OPTION COMMON STOCK (8,000) $16.55 March 1, 2015 8,000 Acquired
Feb. 7, 2005 TTEK STOCK OPTION COMMON STOCK (5,960) $5.05 Feb. 8, 2005 5,960 Acquired
March 1, 2004 TTEK STOCK OPTION COMMON STOCK (8,000) $21.41 March 1, 2014 8,000 Acquired
Jan. 28, 2004 TTEK STOCK OPTION COMMON STOCK (5,960) $3.83 Feb. 9, 2004 5,960 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).