Brendan M. O'Rourke

Insider

First SEC filing: Nov. 7, 2018 · Latest: Nov. 18, 2022

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

TTEK selling Dec. 8, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 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

32 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 16, 2022	TTEK	A	1,014	—	—	1,014 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 29, 2022	TTEK	F	124	$132.61	$16,444	1,344 Direct	-8.45%	Disposed	38.5% (price as of 2026-08-21)
Dec. 8, 2021	TTEK	S	3,633	$190.00	$690,270	1,175 Direct	-75.56%	Disposed	-3.4% (price as of 2026-08-21)
Nov. 23, 2021	TTEK	A	796	—	—	796 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 23, 2021	TTEK	F	2,833	$190.38	$539,347	4,808 Direct	-37.08%	Disposed	-3.5% (price as of 2026-08-21)
Nov. 23, 2021	TTEK	A	6,466	—	—	7,641 Direct	+550.30%	Acquired	(price as of 2026-08-21)
Nov. 18, 2021	TTEK	M	308	—	—	922 Direct	-25.04%	Disposed	(price as of 2026-08-21)
Nov. 18, 2021	TTEK	M	407	—	—	814 Direct	-33.33%	Disposed	(price as of 2026-08-21)
Nov. 18, 2021	TTEK	M	539	—	—	539 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Nov. 18, 2021	TTEK	F	551	$187.88	$103,522	1,175 Direct	-31.92%	Disposed	-2.3% (price as of 2026-08-21)
Nov. 18, 2021	TTEK	M	308	—	—	1,726 Direct	+21.72%	Acquired	(price as of 2026-08-21)
Nov. 18, 2021	TTEK	M	407	—	—	1,418 Direct	+40.26%	Acquired	(price as of 2026-08-21)
Nov. 18, 2021	TTEK	M	539	—	—	1,011 Direct	+114.19%	Acquired	(price as of 2026-08-21)
Feb. 9, 2021	TTEK	S	1,200	$135.29	$162,348	472 Direct	-71.77%	Disposed	35.7% (price as of 2026-08-21)
Jan. 29, 2021	TTEK	M	250	—	—	1,708 Direct	+17.15%	Acquired	(price as of 2026-08-21)
Jan. 29, 2021	TTEK	F	94	$121.57	$11,428	1,614 Direct	-5.50%	Disposed	51.0% (price as of 2026-08-21)
Jan. 29, 2021	TTEK	M	250	—	—	250 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Nov. 19, 2020	TTEK	A	1,230	—	—	1,230 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 18, 2020	TTEK	M	539	—	—	1,302 Direct	+70.64%	Acquired	(price as of 2026-08-21)
Nov. 18, 2020	TTEK	M	408	—	—	1,710 Direct	+31.34%	Acquired	(price as of 2026-08-21)
Nov. 18, 2020	TTEK	F	310	$122.00	$37,820	1,400 Direct	-18.13%	Disposed	50.5% (price as of 2026-08-21)
Nov. 18, 2020	TTEK	M	539	—	—	1,078 Direct	-33.33%	Disposed	(price as of 2026-08-21)
Nov. 18, 2020	TTEK	M	408	—	—	1,221 Direct	-25.05%	Disposed	(price as of 2026-08-21)
Jan. 29, 2020	TTEK	M	250	—	—	500 Direct	-33.33%	Disposed	(price as of 2026-08-21)
Jan. 29, 2020	TTEK	F	96	—	—	763 Direct	-11.18%	Disposed	(price as of 2026-08-21)
Jan. 29, 2020	TTEK	M	250	—	—	859 Direct	+41.05%	Acquired	(price as of 2026-08-21)
Nov. 21, 2019	TTEK	A	1,629	—	—	1,629 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 18, 2019	TTEK	M	539	—	—	1,617 Direct	+50.00%	Acquired	(price as of 2026-08-21)
Nov. 18, 2019	TTEK	F	173	$87.15	$15,077	513 Direct	-25.22%	Disposed	110.7% (price as of 2026-08-21)
Nov. 18, 2019	TTEK	M	539	—	—	686 Direct	+366.67%	Acquired	(price as of 2026-08-21)
Jan. 29, 2019	TTEK	M	250	—	—	750 Direct	-25.00%	Disposed	(price as of 2026-08-21)
Jan. 29, 2019	TTEK	F	103	$48.61	$5,007	147 Direct	-41.20%	Disposed	277.8% (price as of 2026-08-21)
Jan. 29, 2019	TTEK	M	250	—	—	250 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 15, 2018	TTEK	A	2,156	—	—	2,156 Direct	—	Acquired	(price as of 2026-08-21)

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.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Nov. 16, 2022	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (1,014)	$0.00	—	1,014	Acquired
Nov. 23, 2021	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (796)	$0.00	Nov. 18, 2025	796	Acquired
Nov. 18, 2021	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (308)	$0.00	Nov. 19, 2024	308	Disposed
Nov. 18, 2021	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (407)	$0.00	Nov. 21, 2023	407	Disposed
Nov. 18, 2021	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (539)	$0.00	Nov. 18, 2022	539	Disposed
Jan. 29, 2021	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (250)	$0.00	Jan. 29, 2022	250	Disposed
Nov. 19, 2020	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (1,230)	$0.00	Nov. 19, 2024	1,230	Acquired
Nov. 18, 2020	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (539)	$0.00	Nov. 18, 2022	539	Disposed
Nov. 18, 2020	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (408)	$0.00	Nov. 21, 2023	408	Disposed
Jan. 29, 2020	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (250)	$0.00	Jan. 29, 2022	250	Disposed
Nov. 21, 2019	TTEK	COMMON STOCK	COMMON STOCK (1,629)	—	Nov. 18, 2023	1,629	Acquired
Nov. 18, 2019	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (539)	—	Nov. 18, 2022	539	Acquired
Jan. 29, 2019	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (250)	$0.00	Jan. 29, 2022	250	Disposed
Nov. 15, 2018	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)	COMMON STOCK (2,156)	—	Nov. 18, 2022	2,156	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Nov. 7, 2018	TTEK	RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)→ COMMON STOCK	—	Direct