Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 15 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 31, 2008 TTEK A 243 $20.53 $4,989 32,491 Direct +0.75% Acquired 706.6% (price as of 2026-10-02)
Dec. 5, 2008 TTEK A 333 · · 32,248 Direct +1.04% Acquired (price as of 2026-10-02)
Nov. 14, 2008 TTEK A 333 · · 31,915 Direct +1.05% Acquired (price as of 2026-10-02)
Nov. 14, 2008 TTEK A 20,000 · · 195,000 Direct +11.43% Acquired (price as of 2026-10-02)
Dec. 5, 2007 TTEK A 333 · · 31,582 Direct +1.07% Acquired (price as of 2026-10-02)
Nov. 16, 2007 TTEK A 5,000 · · 31,249 Direct +19.05% Acquired (price as of 2026-10-02)
Nov. 16, 2007 TTEK A 27,500 · · 175,000 Direct +18.64% Acquired (price as of 2026-10-02)
Dec. 5, 2006 TTEK A 5,000 · · 26,249 Direct +23.53% Acquired (price as of 2026-10-02)
Dec. 5, 2006 TTEK A 27,500 · · 147,500 Direct +22.92% Acquired (price as of 2026-10-02)
June 1, 2006 TTEK A 414 $12.07 $4,997 21,249 Direct +1.99% Acquired 1272.0% (price as of 2026-10-02)
March 6, 2006 TTEK A 20,000 · · 20,835 Direct +2395.21% Acquired (price as of 2026-10-02)
March 6, 2006 TTEK A 20,000 · · 120,000 Direct +20.00% Acquired (price as of 2026-10-02)
June 1, 2005 TTEK A 489 $10.24 $5,007 835 Direct +141.33% Acquired 1517.2% (price as of 2026-10-02)
Jan. 18, 2005 TTEK A 45,000 · · 100,000 Direct +81.82% Acquired (price as of 2026-10-02)
June 1, 2004 TTEK A 346 $14.42 $4,989 346 Direct · Acquired 1048.4% (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
Nov. 14, 2008 TTEK COMMON STOCK COMMON STOCK (20,000) $16.98 Nov. 16, 2016 20,000 Acquired
Nov. 16, 2007 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (27,500) $23.68 Nov. 16, 2015 27,500 Acquired
Dec. 5, 2006 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (27,500) $17.71 Dec. 5, 2014 27,500 Acquired
March 6, 2006 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (20,000) $18.07 March 6, 2016 20,000 Acquired
Jan. 18, 2005 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (45,000) $15.79 Jan. 18, 2015 45,000 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
Nov. 24, 2003 TTEK NONE 0 Direct
Nov. 24, 2003 TTEK STOCK OPTION→ COMMON STOCK · 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
2008 $457,404 · $178,361 $220,379 $190,000 · $27,923 $1,074,067
2007 $440,386 · $132,837 $163,914 $318,000 · $28,000 $1,083,137
2006 $413,468 $266,000 $95,000 · · · $102,725 ·

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