Stocks
TTEK Tetra Tech Inc

TTEK

Tetra Tech Inc

Company with tickers: TTEK

CIK

831641

CUSIP

88162G103

Shares Outstanding

259,524,699

13F Activity (30d)

500 filings 487 filers

Price

$27.73

Market Cap

$7.20B

P/E Ratio

29.82

EPS (Diluted)

$0.93

52W High

$43.14

52W Low

$25.81

Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-15	Feeler Jeffrey R	Director	Buy	1,900	$26.41	$50,179	1,900
2026-04-27	Thornburg Eric W	Director	Award	1,259	—	—	1,259
2026-03-30	Thornburg Eric W	Director	Other	0	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	795	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	1,900	—	—	162,533
2026-03-16	Ritrievi Kimberly E	Director	Convert	2,910	—	—	156,993
2026-03-16	Ritrievi Kimberly E	Director	Convert	1,900	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	1,718	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	795	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	795	—	—	160,633
2026-03-16	Ritrievi Kimberly E	Director	Convert	2,250	—	—	152,158
2026-03-16	Ritrievi Kimberly E	Director	Convert	2,250	—	—	2,250
2026-03-16	Ritrievi Kimberly E	Director	Convert	2,050	—	—	159,043
2026-03-16	Ritrievi Kimberly E	Director	Convert	2,050	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	1,718	—	—	166,376
2026-03-16	Ritrievi Kimberly E	Director	Convert	2,125	—	—	164,658
2026-03-16	Ritrievi Kimberly E	Director	Award	25,883	—	—	192,259
2026-03-16	Ritrievi Kimberly E	Director	Convert	795	—	—	159,838
2026-03-16	Ritrievi Kimberly E	Director	Convert	2,125	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	1,925	—	—	154,083
2026-03-16	Ritrievi Kimberly E	Director	Convert	2,910	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	4,500	—	—	0
2026-03-16	Ritrievi Kimberly E	Director	Convert	1,925	—	—	1,925
2026-03-16	Ritrievi Kimberly E	Director	Convert	4,500	—	—	149,908
2026-02-19	Obiaya Christiana	Director	Convert	495	—	—	9,666
2026-02-19	Obiaya Christiana	Director	Convert	495	—	—	0
2026-02-19	Argus Roger R	President and CEO	Award	28,174	—	—	28,174
2026-02-10	Volpi Kirsten M	Director	Convert	1,000	—	—	8,000
2026-02-10	Volpi Kirsten M	Director	Convert	1,000	$9.59	$9,590	70,218
2026-02-06	BURDICK STEVEN M	EVP, CFO	Gift	11,100	—	—	138,251
2026-02-04	CARTER BRIAN N	SVP, Corporate Controller	Sell	9,979	$40.23	$401,405	46,496
2026-01-26	Feeler Jeffrey R	Director	Award	1,754	—	—	1,754
2026-01-26	Hardwick M Susan	Director	Award	1,754	—	—	1,754
2026-01-12	Birkenbeuel Gary	Director	Convert	1,590	—	—	0
2026-01-12	Birkenbeuel Gary	Director	Convert	1,590	—	—	46,635
2026-01-12	Birkenbeuel Gary	Director	Award	4,397	—	—	51,032
2026-01-12	Ritrievi Kimberly E	Director	Award	2,208	—	—	145,408
2025-12-29	Feeler Jeffrey R	Director	Other	0	—	—	0
2025-12-29	Hardwick M Susan	Director	Other	0	—	—	0
2025-11-30	SHOEMAKER LESLIE L	EVP, Chief Sustainability	Convert	3,682	—	—	11,046
2025-11-30	SHOEMAKER LESLIE L	EVP, Chief Sustainability	Convert	3,035	—	—	6,070
2025-11-30	SHOEMAKER LESLIE L	EVP, Chief Sustainability	Convert	3,682	—	—	329,528
2025-11-30	Volpi Kirsten M	Director	Convert	1,718	—	—	68,218
2025-11-30	Volpi Kirsten M	Director	Convert	1,718	—	—	0
2025-11-30	Obiaya Christiana	Director	Convert	1,718	—	—	0
2025-11-30	Obiaya Christiana	Director	Convert	1,718	—	—	9,171
2025-11-30	SHOEMAKER LESLIE L	EVP, Chief Sustainability	Tax	3,707	$34.74	$128,781	325,821
2025-11-30	SHOEMAKER LESLIE L	EVP, Chief Sustainability	Convert	3,035	—	—	325,846
2025-11-30	Hopson Preston	EVP, Chief Legal/Human Capital	Convert	2,735	—	—	5,460
2025-11-30	Hopson Preston	EVP, Chief Legal/Human Capital	Tax	2,044	$34.74	$71,009	83,142
2025-11-30	Hopson Preston	EVP, Chief Legal/Human Capital	Convert	2,455	—	—	7,363
2025-11-30	Hopson Preston	EVP, Chief Legal/Human Capital	Convert	2,735	—	—	82,731
2025-11-30	Hopson Preston	EVP, Chief Legal/Human Capital	Convert	2,455	—	—	85,186
2025-11-30	Gandhi Prashant	Director	Convert	1,718	—	—	16,553
2025-11-30	Gandhi Prashant	Director	Convert	1,718	—	—	0
2025-11-30	CARTER BRIAN N	SVP, Corporate Controller	Convert	1,520	—	—	56,747
2025-11-30	CARTER BRIAN N	SVP, Corporate Controller	Tax	1,500	$34.74	$52,110	56,475
2025-11-30	CARTER BRIAN N	SVP, Corporate Controller	Convert	1,228	—	—	57,975
2025-11-30	CARTER BRIAN N	SVP, Corporate Controller	Convert	1,228	—	—	3,681
2025-11-30	CARTER BRIAN N	SVP, Corporate Controller	Convert	1,520	—	—	3,030
2025-11-30	BURDICK STEVEN M	EVP, CFO	Convert	3,645	—	—	149,581
2025-11-30	BURDICK STEVEN M	EVP, CFO	Convert	3,645	—	—	7,285
2025-11-30	BURDICK STEVEN M	EVP, CFO	Convert	3,682	—	—	11,046
2025-11-30	BURDICK STEVEN M	EVP, CFO	Tax	4,044	$34.74	$140,489	149,219
2025-11-30	BURDICK STEVEN M	EVP, CFO	Convert	3,682	—	—	153,263
2025-11-30	Argus Roger R	President and CEO	Tax	2,865	$34.74	$99,530	39,890
2025-11-30	Argus Roger R	President and CEO	Convert	2,735	—	—	5,460
2025-11-30	Argus Roger R	President and CEO	Convert	2,455	—	—	42,755
2025-11-30	Argus Roger R	President and CEO	Convert	2,455	—	—	7,363
2025-11-30	Argus Roger R	President and CEO	Convert	2,735	—	—	40,300
2025-11-30	BATRACK DAN L	Director, Chairman and CEO	Tax	22,396	$34.74	$778,037	332,498
2025-11-30	BATRACK DAN L	Director, Chairman and CEO	Convert	19,330	—	—	354,894
2025-11-30	BATRACK DAN L	Director, Chairman and CEO	Convert	19,330	—	—	57,990
2025-11-30	BATRACK DAN L	Director, Chairman and CEO	Convert	21,255	—	—	335,564
2025-11-30	BATRACK DAN L	Director, Chairman and CEO	Convert	21,255	—	—	42,505
2025-11-28	Volpi Kirsten M	Director	Convert	1,000	$9.59	$9,590	69,218
2025-11-28	Volpi Kirsten M	Director	Convert	1,000	$9.59	$9,590	9,000
2025-11-19	Ritrievi Kimberly E	Director	Award	1,964	—	—	1,964
2025-11-19	SHOEMAKER LESLIE L	EVP, Chief Sustainability	Award	19,641	—	—	19,641
2025-11-19	Volpi Kirsten M	Director	Award	1,964	—	—	1,964
2025-11-19	Obiaya Christiana	Director	Award	1,964	—	—	1,964
2025-11-19	Hopson Preston	EVP, Chief Legal/Human Capital	Award	14,029	—	—	14,029
2025-11-19	Gandhi Prashant	Director	Award	1,964	—	—	1,964
2025-11-19	CARTER BRIAN N	SVP, Corporate Controller	Award	5,612	—	—	5,612
2025-11-19	BURDICK STEVEN M	EVP, CFO	Award	19,641	—	—	19,641
2025-11-19	Birkenbeuel Gary	Director	Award	1,964	—	—	1,964
2025-11-19	Argus Roger R	President and CEO	Award	19,641	—	—	19,641
2025-11-19	BATRACK DAN L	Director, Chairman and CEO	Award	101,010	—	—	101,010
2025-11-18	CARTER BRIAN N	SVP, Corporate Controller	Convert	995	—	—	0
2025-11-18	CARTER BRIAN N	SVP, Corporate Controller	Convert	995	—	—	50,219
2025-11-18	CARTER BRIAN N	SVP, Corporate Controller	Tax	5,977	$35.69	$213,319	55,227
2025-11-18	CARTER BRIAN N	SVP, Corporate Controller	Tax	1,234	$35.69	$44,041	50,250
2025-11-18	CARTER BRIAN N	SVP, Corporate Controller	Award	10,954	—	—	61,204
2025-11-18	CARTER BRIAN N	SVP, Corporate Controller	Convert	1,265	—	—	51,484
2025-11-18	CARTER BRIAN N	SVP, Corporate Controller	Convert	1,265	—	—	1,265
2025-11-18	BATRACK DAN L	Director, Chairman and CEO	Convert	19,015	—	—	19,010
2025-11-18	BATRACK DAN L	Director, Chairman and CEO	Convert	14,030	—	—	239,897
2025-11-18	BATRACK DAN L	Director, Chairman and CEO	Tax	18,235	$35.69	$650,807	240,677
2025-11-18	BATRACK DAN L	Director, Chairman and CEO	Tax	90,653	$35.69	$3,235,406	314,309
2025-11-18	BATRACK DAN L	Director, Chairman and CEO	Convert	14,030	—	—	0