Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 71 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

71 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 4, 2013 TTEK S 6,538 $28.00 $183,064 7,942 Direct -45.15% Disposed 491.4% (price as of 2026-10-02)
Dec. 18, 2012 TTEK S 6,079 $27.00 $164,133 14,480 Direct -29.57% Disposed 513.3% (price as of 2026-10-02)
Nov. 19, 2012 TTEK S 4,625 $25.04 $115,810 21,909 Direct -17.43% Disposed 561.3% (price as of 2026-10-02)
Nov. 19, 2012 TTEK S 4,700 $25.04 $117,688 17,209 Direct -21.45% Disposed 561.3% (price as of 2026-10-02)
Nov. 13, 2012 TTEK S 408 $25.00 $10,200 18,369 Direct -2.17% Disposed 562.4% (price as of 2026-10-02)
Nov. 12, 2012 TTEK S 5,043 $25.14 $126,781 18,369 Direct -21.54% Disposed 558.7% (price as of 2026-10-02)
Sept. 25, 2012 TTEK S 10b5-1 11,081 $27.06 $299,852 18,369 Direct -37.63% Disposed 512.0% (price as of 2026-10-02)
Sept. 6, 2012 TTEK S 10b5-1 12,160 $27.21 $330,874 29,450 Direct -29.22% Disposed 508.6% (price as of 2026-10-02)
Aug. 15, 2012 TTEK S 10b5-1 21,400 $26.51 $567,314 29,450 Direct -42.08% Disposed 524.7% (price as of 2026-10-02)
Aug. 14, 2012 TTEK S 10b5-1 6,485 $26.62 $172,631 56,944 Direct -10.22% Disposed 522.1% (price as of 2026-10-02)
Aug. 14, 2012 TTEK S 10b5-1 5,108 $26.62 $135,975 51,836 Direct -8.97% Disposed 522.1% (price as of 2026-10-02)
Aug. 14, 2012 TTEK S 10b5-1 9,250 $26.62 $246,235 42,586 Direct -17.84% Disposed 522.1% (price as of 2026-10-02)
Aug. 14, 2012 TTEK S 10b5-1 13,136 $26.62 $349,680 29,450 Direct -30.85% Disposed 522.1% (price as of 2026-10-02)
Dec. 11, 2009 TTEK S 8,515 $26.07 $221,986 49,325 Direct -14.72% Disposed 535.2% (price as of 2026-10-02)
Dec. 11, 2009 TTEK S 4,625 $26.07 $120,574 44,700 Direct -9.38% Disposed 535.2% (price as of 2026-10-02)
Dec. 11, 2009 TTEK S 1,479 $26.17 $38,705 43,221 Direct -3.31% Disposed 532.8% (price as of 2026-10-02)
June 3, 2009 TTEK S 8,450 $27.22 $230,009 25,027 Direct -25.24% Disposed 508.4% (price as of 2026-10-02)
May 17, 2006 TTEK P 4,100 $18.12 $74,292 4,100 Direct · Acquired 813.9% (price as of 2026-10-02)

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
Dec. 18, 2012 TTEK Employee Stock Option (Right to Buy) COMMON STOCK (6,079) $25.55 Nov. 13, 2017 6,079 Disposed
Nov. 19, 2012 TTEK Employee Stock Option (Right to Buy) COMMON STOCK (4,625) $16.98 Nov. 13, 2016 4,625 Disposed
Nov. 13, 2012 TTEK Employee Stock Option (Right to Buy) COMMON STOCK (4,700) $23.48 Nov. 12, 2018 4,700 Disposed
Nov. 13, 2012 TTEK Employee Stock Option (Right to Buy) COMMON STOCK (408) $23.48 Nov. 12, 2018 408 Disposed
Nov. 12, 2012 TTEK Employee Stock Option (Right to Buy) COMMON STOCK (5,043) $22.53 Nov. 11, 2019 5,043 Disposed
Sept. 6, 2012 TTEK Employee Stock Option (Right to Buy) [F1] Common Stock (12,160) $25.55 Nov. 13, 2017 12,160 Disposed
Aug. 15, 2012 TTEK Employee Stock Option (Right to Buy) [F1] Common Stock (21,400) $23.68 Nov. 16, 2015 21,400 Disposed
Aug. 14, 2012 TTEK Employee Stock Option (Right to Buy) [F1] Common Stock (6,485) $17.71 Dec. 5, 2014 6,485 Disposed
Aug. 14, 2012 TTEK Employee Stock Option (Right to Buy) [F1] Common Stock (5,108) $23.48 Nov. 12, 2018 5,108 Disposed
Aug. 14, 2012 TTEK Employee Stock Option (Right to Buy) [F1] Common Stock (9,250) $16.98 Nov. 14, 2016 9,250 Disposed
Nov. 11, 2011 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (20,170) $22.53 Nov. 11, 2019 20,170 Acquired
Nov. 12, 2010 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (20,431) $23.48 Nov. 12, 2018 20,431 Acquired
Dec. 11, 2009 TTEK STOCK OPTION COMMON STOCK (2,479) $15.99 Nov. 23, 2015 2,479 Disposed
Dec. 11, 2009 TTEK STOCK OPTION COMMON STOCK (8,515) $17.71 Dec. 5, 2014 8,515 Disposed
Dec. 11, 2009 TTEK STOCK OPTION COMMON STOCK (4,625) $16.98 Nov. 14, 2016 4,625 Disposed
Nov. 13, 2009 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (24,318) $25.55 Nov. 13, 2017 24,318 Acquired
June 3, 2009 TTEK Common COMMON STOCK (14,521) $15.99 Nov. 23, 2015 14,521 Disposed
Nov. 14, 2008 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (18,500) $16.98 Nov. 14, 2016 18,500 Acquired
Nov. 16, 2007 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (21,400) $23.68 Nov. 16, 2015 21,400 Acquired
Dec. 5, 2006 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (15,000) $17.71 Dec. 5, 2014 15,000 Acquired
Nov. 23, 2005 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (17,000) $15.99 Nov. 23, 2015 17,000 Acquired

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

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Dec. 7, 2005 TTEK None 0 Direct
Dec. 7, 2005 TTEK None [F1]→ None [F4] · Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2011 $337,653 · $95,963 $182,031 $315,000 · $30,111 $961,658
2010 $340,475 · $124,275 $235,885 $200,000 · $30,825 $931,460
2009 $321,512 · $62,826 $131,720 $150,000 · $31,896 $697,954

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.