Insider at

04

Insider transactions

05
1 buys (P) 0 sells (S) Net: $267,120 + 78 non-open-market transactions below Avg return of open purchases vs now: 1.2% 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

78 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 29, 2026 TSI P 63,000 $4.24 $267,120 22,722 Direct -73.49% Disposed 1.2% (price as of 2026-10-02)
March 17, 2022 TTEK S 318 $164.54 $52,324 3,062 Direct -9.41% Disposed 0.6% (price as of 2026-10-02)
Nov. 24, 2021 TTEK S 110 $189.85 $20,884 3,380 Direct -3.15% Disposed -12.8% (price as of 2026-10-02)
Nov. 24, 2021 TTEK S 2,200 $188.94 $415,668 3,490 Direct -38.66% Disposed -12.4% (price as of 2026-10-02)
Nov. 23, 2021 TTEK S 410 $186.03 $76,272 5,690 Direct -6.72% Disposed -11.0% (price as of 2026-10-02)
Sept. 7, 2021 TTEK S 5,400 $147.88 $798,552 3,380 Direct -61.50% Disposed 12.0% (price as of 2026-10-02)
Nov. 24, 2020 TTEK S 4,182 $123.29 $515,599 8,780 Direct -32.26% Disposed 34.3% (price as of 2026-10-02)
Nov. 16, 2020 TTEK S 21,000 $122.83 $2,579,430 8,780 Direct -70.52% Disposed 34.8% (price as of 2026-10-02)
Dec. 3, 2019 TTEK S 3,830 $86.24 $330,299 8,780 Direct -30.37% Disposed 92.0% (price as of 2026-10-02)
Dec. 3, 2019 TTEK S 4,200 $86.45 $363,090 12,610 Direct -24.99% Disposed 91.6% (price as of 2026-10-02)
Sept. 3, 2019 TTEK S 8,000 $80.62 $644,960 8,780 Direct -47.68% Disposed 105.4% (price as of 2026-10-02)
Feb. 19, 2019 TTEK S 3,780 $58.46 $220,979 8,780 Direct -30.10% Disposed 183.3% (price as of 2026-10-02)
Feb. 23, 2018 TTEK S 4,401 $50.16 $220,754 9,680 Direct -31.25% Disposed 230.1% (price as of 2026-10-02)
Feb. 6, 2017 TTEK S 1,740 $41.27 $71,810 9,680 Direct -15.24% Disposed 301.3% (price as of 2026-10-02)
Feb. 6, 2017 TTEK S 16,000 $41.34 $661,440 11,420 Direct -58.35% Disposed 300.6% (price as of 2026-10-02)
May 2, 2016 TTEK S 8,000 $30.14 $241,120 10,555 Direct -43.12% Disposed 449.4% (price as of 2026-10-02)
May 29, 2013 TSI P 17,150 $5.78 $99,127 21,001 Direct +445.34% Acquired -25.8% (price as of 2026-10-02)
May 29, 2013 TSI P 17,150 $5.78 $99,127 21,001 Indirect +445.34% Acquired -25.8% (price as of 2026-10-02)
May 14, 2013 TTEK S 8,000 $27.40 $219,200 7,700 Direct -50.96% Disposed 504.4% (price as of 2026-10-02)
May 14, 2013 TTEK S 8,000 $27.40 $219,200 7,700 Direct -50.96% Disposed 504.4% (price as of 2026-10-02)
March 7, 2013 TSI P 1,385 $5.83 $8,075 3,788 Direct +57.64% Acquired -26.4% (price as of 2026-10-02)
April 17, 2012 TSI P 2,285 $5.25 $11,996 11,685 Direct +24.31% Acquired -18.3% (price as of 2026-10-02)

Showing latest 100 of 169 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
March 27, 2026 TSI Subscription Rights for Shares of Common Stock (right to buy [F1,F2,F3,F4] Common Stock (21,430) · March 18, 2026 64,290 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
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 Disposed
Nov. 16, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $47.95 Nov. 17, 2027 4,200 Disposed
Nov. 16, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $40.80 Nov. 20, 2026 4,200 Disposed
Nov. 16, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $27.16 Nov. 20, 2025 4,200 Disposed
Nov. 16, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $27.26 Nov. 21, 2023 4,200 Disposed
Nov. 16, 2020 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $28.58 Nov. 22, 2021 4,200 Disposed
Dec. 3, 2019 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $24.26 Nov. 16, 2020 4,200 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
Sept. 3, 2019 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (8,000) $25.27 March 1, 2020 8,000 Disposed
Nov. 15, 2018 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (770) · Nov. 18, 2019 770 Acquired
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 COMMON STOCK (8,000) $22.81 March 2, 2021 8,000 Disposed
Feb. 6, 2017 TTEK STOCK OPTION COMMON STOCK (8,000) $22.40 March 1, 2019 8,000 Disposed
Nov. 18, 2016 TTEK STOCK OPTION COMMON STOCK (4,200) $40.80 Nov. 20, 2026 4,200 Acquired
Nov. 16, 2016 TTEK RESTRICTED STOCK UNITS COMMON STOCK (225) $0.00 Nov. 16, 2016 225 Disposed
May 2, 2016 TTEK STOCK OPTION COMMON STOCK (8,000) $18.87 March 2, 2018 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
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
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
May 14, 2013 TTEK STOCK OPTION COMMON STOCK (8,000) $20.28 March 2, 2020 8,000 Disposed
May 14, 2013 TTEK STOCK OPTION COMMON STOCK (8,000) $21.41 March 2, 2014 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. 28, 2012 TTEK STOCK OPTION COMMON STOCK (8,000) $25.27 March 1, 2020 8,000 Acquired
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
May 7, 2009 TTEK Employee Stock Option (right to buy) Common Stock (8,000) $17.74 March 2, 2017 8,000 Disposed
March 1, 2009 TTEK STOCK OPTION COMMON STOCK (8,000) $22.40 March 1, 2019 8,000 Acquired
May 19, 2008 TTEK STOCK OPTION COMMON STOCK (2,800) $17.94 March 1, 2016 2,800 Disposed
May 19, 2008 TTEK STOCK OPTION COMMON STOCK (1,609) $17.94 March 1, 2016 1,609 Disposed
May 19, 2008 TTEK STOCK OPTION COMMON STOCK (200) $17.94 March 1, 2016 200 Disposed
May 19, 2008 TTEK STOCK OPTION COMMON STOCK (5,960) $18.10 Feb. 20, 2012 5,960 Disposed
May 19, 2008 TTEK STOCK OPTION COMMON STOCK (3,391) $17.94 March 1, 2016 3,391 Disposed
March 1, 2008 TTEK STOCK OPTION COMMON STOCK (8,000) $18.87 March 2, 2018 8,000 Acquired
June 4, 2007 TTEK STOCK OPTION COMMON STOCK (8,000) $16.55 March 2, 2015 8,000 Disposed
June 4, 2007 TTEK STOCK OPTION COMMON STOCK (8,000) $13.16 March 2, 2013 8,000 Disposed
June 4, 2007 TTEK STOCK OPTION COMMON STOCK (7,500) $15.25 Feb. 23, 2011 7,500 Disposed
June 4, 2007 TTEK STOCK OPTION COMMON STOCK (5,960) $15.10 Feb. 18, 2010 5,960 Disposed
June 4, 2007 TTEK STOCK OPTION COMMON STOCK (5,960) $14.80 Feb. 17, 2009 5,960 Disposed
March 1, 2007 TTEK STOCK OPTION COMMON STOCK (8,000) $17.74 March 1, 2017 8,000 Acquired
March 1, 2006 TTEK STOCK OPTION COMMON STOCK (8,000) $17.94 March 1, 2016 8,000 Acquired
March 1, 2005 TTEK STOCK OPTION COMMON STOCK (8,000) $16.55 March 1, 2015 8,000 Acquired
March 1, 2004 TTEK STOCK OPTION COMMON STOCK (8,000) $21.41 March 1, 2014 8,000 Acquired

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