Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 91 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

91 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 29, 2025 MATV P 10,000 $5.88 $58,800 30,640 Direct +48.45% Acquired 102.4% (price as of 2026-10-02)
Sept. 11, 2024 TTEK S 6,500 $46.48 $302,120 143,200 Direct -4.34% Disposed -28.7% (price as of 2026-10-02)
Feb. 8, 2023 TTEK S 1,800 $151.09 $271,962 29,940 Direct -5.67% Disposed 9.6% (price as of 2026-10-02)
May 13, 2022 MATV P 1,000 $27.15 $27,150 7,000 Direct +16.67% Acquired -56.2% (price as of 2026-10-02)
May 13, 2022 MATV P 1,000 $27.15 $27,150 7,000 Direct +16.67% Acquired -56.2% (price as of 2026-10-02)
Nov. 8, 2021 MATV P 3,000 $35.22 $105,660 6,000 Direct +100.00% Acquired -66.2% (price as of 2026-10-02)
June 2, 2021 TTEK S 8,524 $119.05 $1,014,782 33,376 Direct -20.34% Disposed 39.1% (price as of 2026-10-02)
Nov. 16, 2020 TTEK S 4,076 $120.46 $490,995 41,043 Direct -9.03% Disposed 37.5% (price as of 2026-10-02)
May 29, 2020 MATV P 1,000 $30.00 $30,000 3,000 Direct +50.00% Acquired -60.3% (price as of 2026-10-02)

Showing latest 100 of 157 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
July 1, 2026 MATV Phantom Stock [F4] Common Stock (19,815) · · 19,815 Acquired
July 1, 2026 MATV Phantom Stock [F3] Common Stock (968) · · 968 Acquired
July 1, 2026 MATV Phantom Stock [F1] Common Stock (822) · · 822 Acquired
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (4,500) · · 4,500 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (2,250) · · 2,250 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (1,925) · · 1,925 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (2,910) · · 2,910 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK · · 2,050 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK · · 795 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK · · 795 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK · · 1,900 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK · · 2,125 Disposed
March 16, 2026 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (1,718) · · 1,718 Disposed
Nov. 19, 2025 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (1,964) · · 1,964 Acquired
July 1, 2025 MATV Phantom Stock Units [F1] Common Stock (18,328) $0.00 · 18,328 Acquired
July 1, 2025 MATV Phantom Stock Units [F3] Common Stock (382) $0.00 · 382 Acquired
April 1, 2025 MATV Phantom Stock Units [F1] Common Stock (5,008) $0.00 · 5,008 Acquired
April 1, 2025 MATV Phantom Stock Units [F3] Common Stock (262) $0.00 · 262 Acquired
Jan. 3, 2025 MATV Phantom Stock Units [F3] Common Stock (98) $0.00 · 98 Acquired
Jan. 3, 2025 MATV Phantom Stock Units [F1] Common Stock (2,866) $0.00 · 2,866 Acquired
Nov. 20, 2024 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (1,718) · · 1,718 Acquired
Oct. 1, 2024 MATV Phantom Stock Units [F1] Common Stock (1,839) $0.00 · 1,839 Acquired
Oct. 1, 2024 MATV Phantom Stock Units [F3] Common Stock (59) $0.00 · 59 Acquired
July 1, 2024 MATV Phantom Stock Units [F1] Common Stock (1,400) $0.00 · 1,400 Acquired
July 1, 2024 MATV Phantom Stock Units [F3] Common Stock (51) $0.00 · 51 Acquired
April 1, 2024 MATV Phantom Stock Units [F1] Common Stock (1,266) $0.00 · 1,266 Acquired
April 1, 2024 MATV Phantom Stock Units [F3] Common Stock (46) $0.00 · 46 Acquired
Jan. 2, 2024 MATV Phantom Stock Units [F1] Common Stock (1,551) $0.00 · 1,551 Acquired
Jan. 2, 2024 MATV Phantom Stock Units [F3] Common Stock (235) $0.00 · 235 Acquired
Nov. 21, 2023 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) [F1] COMMON STOCK (425) $0.00 · 425 Acquired
Oct. 1, 2023 MATV Phantom Stock Units [F1] Common Stock (1,665) $0.00 · 1,665 Acquired
July 1, 2023 MATV Phantom Stock Units [F1] Common Stock (1,570) $0.00 · 1,570 Acquired
April 1, 2023 MATV Phantom Stock Units [F1] Common Stock (1,106) $0.00 · 1,106 Acquired
Jan. 1, 2023 MATV Phantom Stock Units [F1] Common Stock (1,136) $0.00 · 1,136 Acquired
Nov. 16, 2022 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (380) $0.00 · 380 Acquired
Oct. 3, 2022 MATV Phantom Stock Units [F1] Common Stock (1,075) $0.00 · 1,075 Acquired
July 26, 2022 MATV Phantom Stock Units Common Stock (13,640) · · 13,640 Disposed
July 1, 2022 MATV Phantom Stock Units [F3] SWM Common Stock (945) $0.00 · 945 Acquired
June 30, 2022 MATV Phantom Stock Units [F1] SWM Common Stock (218) $0.00 · 218 Acquired
April 1, 2022 MATV Phantom Stock Units [F3] SWM Common Stock (863) $0.00 · 863 Acquired
March 31, 2022 MATV Phantom Stock Units [F1] SWM Common Stock (182) $0.00 · 182 Acquired
Jan. 3, 2022 MATV Phantom Stock Units [F3] SWM Common Stock (794) $0.00 · 794 Acquired
Dec. 31, 2021 MATV Phantom Stock Units [F1] SWM Common Stock (154) $0.00 · 154 Acquired
Nov. 23, 2021 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (318) $0.00 Nov. 19, 2022 318 Acquired
Oct. 1, 2021 MATV Phantom Stock Units [F2] SWM Common Stock (685) $0.00 Aug. 8, 1998 685 Acquired
Sept. 30, 2021 MATV Phantom Stock Units [F1] SWM Common Stock (122) $0.00 Aug. 8, 1998 122 Acquired
July 1, 2021 MATV Phantom Stock Units [F2] SWM Common Stock (588) $0.00 Aug. 8, 1998 588 Acquired
June 30, 2021 MATV Phantom Stock Units [F1] SWM Common Stock (97) $0.00 Aug. 8, 1998 97 Acquired
April 1, 2021 MATV Phantom Stock Units [F2] SWM Common Stock (484) $0.00 Aug. 8, 1998 484 Acquired
March 31, 2021 MATV Phantom Stock Units [F1] SWM Common Stock (75) $0.00 Aug. 8, 1998 75 Acquired
Jan. 4, 2021 MATV Phantom Stock Units [F2] SWM Common Stock (590) $0.00 Aug. 8, 1998 590 Acquired
Dec. 31, 2020 MATV Phantom Stock Units [F1] SWM Common Stock (84) $0.00 Aug. 8, 1998 84 Acquired
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
Oct. 1, 2020 MATV Phantom Stock Units [F2] SWM Common Stock (781) $0.00 Aug. 8, 1998 781 Acquired
Sept. 30, 2020 MATV Phantom Stock Units [F1] SWM Common Stock (99) $0.00 Aug. 8, 1998 99 Acquired
July 1, 2020 MATV Phantom Stock Units [F2] SWM Common Stock (710) $0.00 Aug. 8, 1998 710 Acquired
June 30, 2020 MATV Phantom Stock Units [F1] SWM Common Stock (80) $0.00 Aug. 8, 1998 80 Acquired
April 1, 2020 MATV Phantom Stock Units [F3] SWM Common Stock (853) $0.00 Aug. 8, 1998 853 Acquired
March 31, 2020 MATV Phantom Stock Units [F1] SWM Common Stock (81) $0.00 Aug. 8, 1998 81 Acquired
Jan. 2, 2020 MATV Phantom Stock Units [F3] SWM Common Stock (565) $0.00 Aug. 8, 1998 565 Acquired
Dec. 31, 2019 MATV Phantom Stock Units [F1] SWM Common Stock (47) $0.00 Aug. 8, 1998 47 Acquired
Nov. 25, 2019 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $28.58 Nov. 22, 2021 4,200 Disposed
Nov. 25, 2019 TTEK EMPLOYEE STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $27.26 Nov. 21, 2024 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 Disposed
Oct. 1, 2019 MATV Phantom Stock Units [F3] SWM Common Stock (567) $0.00 Aug. 8, 1998 567 Acquired
Sept. 30, 2019 MATV Phantom Stock Units [F1] SWM Common Stock (46) $0.00 Aug. 8, 1998 46 Acquired
July 1, 2019 MATV Phantom Stock Units [F3] SWM Common Stock (640) $0.00 Aug. 8, 1998 640 Acquired
June 28, 2019 MATV Phantom Stock Units [F1] SWM Common Stock (43) $0.00 Aug. 8, 1998 43 Acquired
April 1, 2019 MATV Phantom Stock Units [F3] SWM Common Stock (548) $0.00 Aug. 8, 1998 548 Acquired
March 29, 2019 MATV Phantom Stock Units [F1] SWM Common Stock (30) $0.00 Aug. 8, 1998 30 Acquired
Jan. 2, 2019 MATV Phantom Stock Units [F3] SWM Common Stock (848) $0.00 Aug. 8, 1998 848 Acquired
Dec. 31, 2018 MATV Phantom Stock Units [F1] SWM Common Stock (31) $0.00 Aug. 8, 1998 31 Acquired
Dec. 11, 2018 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (8,000) $28.68 Nov. 14, 2021 8,000 Disposed
Nov. 15, 2018 TTEK RESTRICTED STOCK UNITS (RIGHT TO RECEIVE) COMMON STOCK (770) · Nov. 18, 2019 770 Acquired
Oct. 1, 2018 MATV Phantom Stock Units [F3] SWM Common Stock (554) $0.00 Aug. 8, 1998 554 Acquired
Sept. 28, 2018 MATV Phantom Stock Units [F1] SWM Common Stock (13) $0.00 Aug. 8, 1998 13 Acquired
July 2, 2018 MATV Phantom Stock Units [F3] SWM Common Stock (486) $0.00 Aug. 8, 1998 486 Acquired
June 29, 2018 MATV Phantom Stock Units [F1] SWM Common Stock (7) $0.00 Aug. 8, 1998 7 Acquired
April 2, 2018 MATV Phantom Stock Units [F3] SWM Common Stock (542) $0.00 Aug. 8, 1998 542 Acquired
March 30, 2018 MATV Phantom Stock Units [F1] SWM Common Stock (2) $0.00 Aug. 8, 1998 2 Acquired
March 1, 2018 MATV Phantom Stock Units [F1] SWM Common Stock (186) $0.00 Aug. 8, 1998 186 Acquired
Nov. 17, 2017 TTEK STOCK OPTION (RIGHT TO BUY) COMMON STOCK (4,200) $47.95 Nov. 17, 2027 4,200 Acquired
Nov. 18, 2016 TTEK STOCK OPTION COMMON STOCK (4,200) $40.80 Nov. 20, 2026 4,200 Acquired
Nov. 18, 2016 TTEK STOCK OPTION COMMON STOCK (4,200) $40.80 Nov. 20, 2026 4,200 Acquired
Nov. 20, 2015 TTEK STOCK OPTION COMMON STOCK (4,200) $27.16 Nov. 20, 2025 4,200 Acquired
Nov. 21, 2014 TTEK STOCK OPTION COMMON STOCK (4,200) $27.26 Nov. 21, 2022 4,200 Acquired
Nov. 22, 2013 TTEK STOCK OPTION COMMON STOCK (4,200) $28.58 Nov. 22, 2021 4,200 Acquired
Nov. 14, 2013 TTEK STOCK OPTION COMMON STOCK (8,000) $28.68 Nov. 15, 2021 8,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
March 1, 2018 MATV SWM Common Stock 0 Direct