TTEK

Tetra Tech INC

Insider trading activity for Tetra Tech INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

+$50.2K

net buying

Bought(1 · 1 insiders): $50.2K
Sold(0 · 0 insiders): $0

Past 12 months

-$351.2K

net selling

Bought(1 · 1 insiders): $50.2K
Sold(1 · 1 insiders): $401.4K

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 4	Volpi Kirsten M	Director	MEXER◆	2,300	—	—	—	Open the original filing on SEC.gov
Aug 4	Volpi Kirsten M	Director	MEXER	2,300	$9.59	$22.1K	+3.2%	Open the original filing on SEC.gov
Jun 4	Volpi Kirsten M	Director	MEXER◆	1,700	—	—	—	Open the original filing on SEC.gov
Jun 4	Volpi Kirsten M	Director	MEXER	1,700	$9.59	$16.3K	+2.4%	Open the original filing on SEC.gov
May 15	Feeler Jeffrey R	Director	PBUY★	1,900	$26.41	$50.2K	—	Open the original filing on SEC.gov
Apr 27	Thornburg Eric W	Director	AGRANT◆	1,259	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	1,718	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	2,125	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	1,900	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	795	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	795	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	2,050	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	2,910	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	1,925	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	2,250	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER◆	4,500	—	—	—	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	AGRANT	25,883	—	—	+15.6%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	1,718	—	—	+1.0%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	2,125	—	—	+1.3%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	1,900	—	—	+1.2%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	795	—	—	+0.5%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	795	—	—	+0.5%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	2,050	—	—	+1.3%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	2,910	—	—	+1.9%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	1,925	—	—	+1.3%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	2,250	—	—	+1.5%	Open the original filing on SEC.gov
Mar 16	Ritrievi Kimberly E	Director	MEXER	4,500	—	—	+3.1%	Open the original filing on SEC.gov
Feb 19	Obiaya Christiana	Director	MEXER◆	495	—	—	—	Open the original filing on SEC.gov
Feb 19	Obiaya Christiana	Director	MEXER	495	—	—	+5.4%	Open the original filing on SEC.gov
Feb 19	Argus Roger R	President and CEO	AGRANT◆	28,174	—	—	—	Open the original filing on SEC.gov
Feb 10	Volpi Kirsten M	Director	MEXER◆	1,000	—	—	—	Open the original filing on SEC.gov
Feb 10	Volpi Kirsten M	Director	MEXER	1,000	$9.59	$9.6K	+1.4%	Open the original filing on SEC.gov
Feb 6	Burdick Steven M	EVP, CFO	GGIFT	11,100	—	—	-7.4%	Open the original filing on SEC.gov
Feb 4	Carter Brian N	SVP, Corporate Controlle…	SSELL	9,979	$40.23	$401.4K	-17.7%	Open the original filing on SEC.gov
Jan 26	Hardwick M Susan	Director	AGRANT◆	1,754	—	—	—	Open the original filing on SEC.gov
Jan 26	Feeler Jeffrey R	Director	AGRANT◆	1,754	—	—	—	Open the original filing on SEC.gov
Jan 12	Ritrievi Kimberly E	Director	AGRANT	2,208	—	—	+1.5%	Open the original filing on SEC.gov
Jan 12	Birkenbeuel Gary	Director	MEXER◆	1,590	—	—	—	Open the original filing on SEC.gov
Jan 12	Birkenbeuel Gary	Director	AGRANT	4,397	—	—	+9.4%	Open the original filing on SEC.gov
Jan 12	Birkenbeuel Gary	Director	MEXER	1,590	—	—	+3.5%	Open the original filing on SEC.gov
Nov 30, 2025	Volpi Kirsten M	Director	MEXER◆	1,718	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Volpi Kirsten M	Director	MEXER	1,718	—	—	+2.6%	Open the original filing on SEC.gov
Nov 30, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	MEXER◆	3,682	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	MEXER◆	3,035	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	FTAX	3,707	$34.74	$128.8K	-1.1%	Open the original filing on SEC.gov
Nov 30, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	MEXER	3,682	—	—	+1.1%	Open the original filing on SEC.gov
Nov 30, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	MEXER	3,035	—	—	+0.9%	Open the original filing on SEC.gov
Nov 30, 2025	Obiaya Christiana	Director	MEXER◆	1,718	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Obiaya Christiana	Director	MEXER	1,718	—	—	+23.1%	Open the original filing on SEC.gov
Nov 30, 2025	Hopson Preston	EVP, Chief Legal/Human…	MEXER◆	2,455	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Hopson Preston	EVP, Chief Legal/Human…	MEXER◆	2,735	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Hopson Preston	EVP, Chief Legal/Human…	FTAX	2,044	$34.74	$71K	-2.4%	Open the original filing on SEC.gov
Nov 30, 2025	Hopson Preston	EVP, Chief Legal/Human…	MEXER	2,455	—	—	+3.0%	Open the original filing on SEC.gov
Nov 30, 2025	Hopson Preston	EVP, Chief Legal/Human…	MEXER	2,735	—	—	+3.4%	Open the original filing on SEC.gov
Nov 30, 2025	Gandhi Prashant	Director	MEXER◆	1,718	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Gandhi Prashant	Director	MEXER	1,718	—	—	+11.6%	Open the original filing on SEC.gov
Nov 30, 2025	Carter Brian N	SVP, Corporate Controlle…	MEXER◆	1,228	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Carter Brian N	SVP, Corporate Controlle…	MEXER◆	1,520	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Carter Brian N	SVP, Corporate Controlle…	FTAX	1,500	$34.74	$52.1K	-2.6%	Open the original filing on SEC.gov
Nov 30, 2025	Carter Brian N	SVP, Corporate Controlle…	MEXER	1,228	—	—	+2.2%	Open the original filing on SEC.gov
Nov 30, 2025	Carter Brian N	SVP, Corporate Controlle…	MEXER	1,520	—	—	+2.8%	Open the original filing on SEC.gov
Nov 30, 2025	Burdick Steven M	EVP, CFO	MEXER◆	3,682	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Burdick Steven M	EVP, CFO	MEXER◆	3,645	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Burdick Steven M	EVP, CFO	FTAX	4,044	$34.74	$140.5K	-2.6%	Open the original filing on SEC.gov
Nov 30, 2025	Burdick Steven M	EVP, CFO	MEXER	3,682	—	—	+2.5%	Open the original filing on SEC.gov
Nov 30, 2025	Burdick Steven M	EVP, CFO	MEXER	3,645	—	—	+2.5%	Open the original filing on SEC.gov
Nov 30, 2025	Batrack Dan L	Chairman and CEO	MEXER◆	19,330	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Batrack Dan L	Chairman and CEO	MEXER◆	21,255	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Batrack Dan L	Chairman and CEO	FTAX	22,396	$34.74	$778K	-6.3%	Open the original filing on SEC.gov
Nov 30, 2025	Batrack Dan L	Chairman and CEO	MEXER	19,330	—	—	+5.8%	Open the original filing on SEC.gov
Nov 30, 2025	Batrack Dan L	Chairman and CEO	MEXER	21,255	—	—	+6.8%	Open the original filing on SEC.gov
Nov 30, 2025	Argus Roger R	President	MEXER◆	2,455	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Argus Roger R	President	MEXER◆	2,735	—	—	—	Open the original filing on SEC.gov
Nov 30, 2025	Argus Roger R	President	FTAX	2,865	$34.74	$99.5K	-6.7%	Open the original filing on SEC.gov
Nov 30, 2025	Argus Roger R	President	MEXER	2,455	—	—	+6.1%	Open the original filing on SEC.gov
Nov 30, 2025	Argus Roger R	President	MEXER	2,735	—	—	+7.3%	Open the original filing on SEC.gov
Nov 28, 2025	Volpi Kirsten M	Director	MEXER◆	1,000	$9.59	$9.6K	—	Open the original filing on SEC.gov
Nov 28, 2025	Volpi Kirsten M	Director	MEXER	1,000	$9.59	$9.6K	+1.5%	Open the original filing on SEC.gov
Nov 19, 2025	Volpi Kirsten M	Director	AGRANT◆	1,964	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	AGRANT◆	19,641	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Obiaya Christiana	Director	AGRANT◆	1,964	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Hopson Preston	EVP, Chief Legal/Human…	AGRANT◆	14,029	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Gandhi Prashant	Director	AGRANT◆	1,964	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Carter Brian N	SVP, Corporate Controlle…	AGRANT◆	5,612	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Birkenbeuel Gary	Director	AGRANT◆	1,964	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Burdick Steven M	EVP, CFO	AGRANT◆	19,641	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Batrack Dan L	Chairman and CEO	AGRANT◆	101,010	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Argus Roger R	President	AGRANT◆	19,641	—	—	—	Open the original filing on SEC.gov
Nov 19, 2025	Ritrievi Kimberly E	Director	AGRANT◆	1,964	—	—	—	Open the original filing on SEC.gov
Nov 18, 2025	Volpi Kirsten M	Director	AGRANT	4,104	—	—	+6.6%	Open the original filing on SEC.gov
Nov 18, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	MEXER◆	3,170	—	—	—	Open the original filing on SEC.gov
Nov 18, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	MEXER◆	2,520	—	—	—	Open the original filing on SEC.gov
Nov 18, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	FTAX	15,112	$35.69	$539.3K	-4.5%	Open the original filing on SEC.gov
Nov 18, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	AGRANT	27,384	—	—	+8.8%	Open the original filing on SEC.gov
Nov 18, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	FTAX	3,141	$35.69	$112.1K	-1.0%	Open the original filing on SEC.gov
Nov 18, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	MEXER	3,170	—	—	+1.0%	Open the original filing on SEC.gov
Nov 18, 2025	Shoemaker Leslie L	EVP, Chief Sustainabilit…	MEXER	2,520	—	—	+0.8%	Open the original filing on SEC.gov
Nov 18, 2025	Obiaya Christiana	Director	AGRANT	3,643	—	—	+95.6%	Open the original filing on SEC.gov
Nov 18, 2025	Hopson Preston	EVP, Chief Legal/Human…	MEXER◆	2,535	—	—	—	Open the original filing on SEC.gov
Nov 18, 2025	Hopson Preston	EVP, Chief Legal/Human…	MEXER◆	2,055	—	—	—	Open the original filing on SEC.gov

MEXER◆—

Volpi Kirsten M · DirectorAug 4

2,300 sh

MEXER$22.1K

Volpi Kirsten M · DirectorAug 4

2,300 sh @ $9.59 · +3.2% own

MEXER◆—

Volpi Kirsten M · DirectorJun 4

1,700 sh

MEXER$16.3K

Volpi Kirsten M · DirectorJun 4

1,700 sh @ $9.59 · +2.4% own

PBUY★$50.2K

Feeler Jeffrey R · DirectorMay 15

1,900 sh @ $26.41

AGRANT◆—

Thornburg Eric W · DirectorApr 27

1,259 sh

MEXER◆—

Traded	Filed	Insider	Past deadline	Largest line	Source
Jan 1, 2025	Jan 13	Birkenbeuel GaryDirector	255days · about 1 year	—	Filing ↗
Nov 18, 2025	Dec 1, 2025	Carter Brian NSVP, Corporate Controller	6days	$213.3K	Filing ↗
Nov 19, 2025	Dec 2, 2025	Ritrievi Kimberly EDirector	6days	—	Filing ↗
Nov 19, 2025	Dec 1, 2025	Argus Roger RPresident	5days	$99.5K	Filing ↗
Nov 19, 2025	Dec 1, 2025	Burdick Steven MEVP, CFO	5days	$140.5K	Filing ↗

Transaction history

Filing record

Insiders at this company

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Transaction history

Filing record

Insiders at this company

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