Last 12 months
Inside the activity.
1 purchase rows · 1 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 1 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 1 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| November 30, 2025 Filed Dec 3, 2025 01:18 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
Exercise / conversionCOMMON STOCK | 2,455 | $0.00 | $0.00 |
DisclosureSEC source: 0001728969-25-000006 · wk-form4_1764724692.xml · nonDerivative · entry 2 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 85,186 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:18 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
Exercise / conversionCOMMON STOCK | 2,735 | $0.00 | $0.00 |
DisclosureSEC source: 0001728969-25-000006 · wk-form4_1764724692.xml · nonDerivative · entry 1 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 82,731 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:20 UTC |
Obiaya ChristianaDirector
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,718 | $0.00 | $0.00 |
DisclosureSEC source: 0001902712-25-000006 · wk-form4_1764724814.xml · derivative · entry 3 Obiaya Christiana · CIK 0001902712 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 1,718 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F4 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2025. F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:20 UTC |
Obiaya ChristianaDirector
|
Exercise / conversionCOMMON STOCK | 1,718 | $0.00 | $0.00 |
DisclosureSEC source: 0001902712-25-000006 · wk-form4_1764724814.xml · nonDerivative · entry 1 Obiaya Christiana · CIK 0001902712 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,171 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:15 UTC |
Gandhi PrashantDirector
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,718 | $0.00 | $0.00 |
DisclosureSEC source: 0001927052-25-000005 · wk-form4_1764724529.xml · derivative · entry 3 Gandhi Prashant · CIK 0001927052 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 1,718 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F4 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2025. F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:15 UTC |
Gandhi PrashantDirector
|
Exercise / conversionCOMMON STOCK | 1,718 | $0.00 | $0.00 |
DisclosureSEC source: 0001927052-25-000005 · wk-form4_1764724529.xml · nonDerivative · entry 1 Gandhi Prashant · CIK 0001927052 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 16,553 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,228 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · derivative · entry 13 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,681 Underlying: COMMON STOCK · 1,228 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F5 · derivative.exercise_price: Represents an award of RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F11 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2025, and 25% annually, thereafter, until fully vested. F7 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,520 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · derivative · entry 12 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,030 Underlying: COMMON STOCK · 1,520 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F5 · derivative.exercise_price: Represents an award of RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F10 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% annually, thereafter, until fully vested. F7 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Tax withholdingCOMMON STOCK | 1,500 | $34.74 | $52,110.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · nonDerivative · entry 8 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 56,475 F4 · shares: Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 30, 2025. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Exercise / conversionCOMMON STOCK | 1,228 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · nonDerivative · entry 7 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 57,975 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Exercise / conversionCOMMON STOCK | 1,520 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · nonDerivative · entry 6 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 56,747 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:11 UTC |
BURDICK STEVEN MEVP, CFO
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 3,682 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000005 · wk-form4_1764724314.xml · derivative · entry 6 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 11,046 Underlying: COMMON STOCK · 3,682 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F6 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2025, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:11 UTC |
BURDICK STEVEN MEVP, CFO
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 3,645 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000005 · wk-form4_1764724314.xml · derivative · entry 5 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,285 Underlying: COMMON STOCK · 3,645 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F5 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:11 UTC |
BURDICK STEVEN MEVP, CFO
|
Tax withholdingCOMMON STOCK | 4,044 | $34.74 | $140,488.56 |
DisclosureSEC source: 0001277150-25-000005 · wk-form4_1764724314.xml · nonDerivative · entry 3 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 149,219 F1 · shares: Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 30, 2025. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:11 UTC |
BURDICK STEVEN MEVP, CFO
|
Exercise / conversionCOMMON STOCK | 3,682 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000005 · wk-form4_1764724314.xml · nonDerivative · entry 2 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 153,263 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:11 UTC |
BURDICK STEVEN MEVP, CFO
|
Exercise / conversionCOMMON STOCK | 3,645 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000005 · wk-form4_1764724314.xml · nonDerivative · entry 1 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 149,581 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:08 UTC |
Argus Roger RPresident
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,455 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000005 · wk-form4_1764724098.xml · derivative · entry 6 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,363 Underlying: COMMON STOCK · 2,455 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F6 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2025, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:08 UTC |
Argus Roger RPresident
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,735 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000005 · wk-form4_1764724098.xml · derivative · entry 5 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,460 Underlying: COMMON STOCK · 2,735 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F5 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:08 UTC |
Argus Roger RPresident
|
Tax withholdingCOMMON STOCK | 2,865 | $34.74 | $99,530.10 |
DisclosureSEC source: 0001721930-25-000005 · wk-form4_1764724098.xml · nonDerivative · entry 3 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 39,890 F1 · shares: Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 30, 2025. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:08 UTC |
Argus Roger RPresident
|
Exercise / conversionCOMMON STOCK | 2,455 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000005 · wk-form4_1764724098.xml · nonDerivative · entry 2 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 42,755 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:08 UTC |
Argus Roger RPresident
|
Exercise / conversionCOMMON STOCK | 2,735 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000005 · wk-form4_1764724098.xml · nonDerivative · entry 1 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 40,300 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:07 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 19,330 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000006 · wk-form4_1764724018.xml · derivative · entry 6 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 57,990 Underlying: COMMON STOCK · 19,330 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F6 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2025, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:07 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 21,255 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000006 · wk-form4_1764724018.xml · derivative · entry 5 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 42,505 Underlying: COMMON STOCK · 21,255 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F5 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:07 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Tax withholdingCOMMON STOCK | 22,396 | $34.74 | $778,037.04 |
DisclosureSEC source: 0001207854-25-000006 · wk-form4_1764724018.xml · nonDerivative · entry 3 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 332,498 F1 · shares: Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 30, 2025. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:07 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Exercise / conversionCOMMON STOCK | 19,330 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000006 · wk-form4_1764724018.xml · nonDerivative · entry 2 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 354,894 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 30, 2025 Filed Dec 3, 2025 01:07 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Exercise / conversionCOMMON STOCK | 21,255 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000006 · wk-form4_1764724018.xml · nonDerivative · entry 1 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 335,564 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 28, 2025 Filed Dec 3, 2025 01:23 UTC |
Volpi Kirsten MDirector
|
Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative | 1,000 | $9.59 Strike: $9.59 | $9,590.00 |
DisclosureSEC source: 0001582882-25-000005 · wk-form4_1764725006.xml · derivative · entry 4 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,000 Underlying: COMMON STOCK · 1,000 shares Expires 2027-11-18 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F4 · derivative.exercise_date: The option becomes exercisable as to 100% of the shares on the anniversary of the grant date. Read SEC document |
| November 28, 2025 Filed Dec 3, 2025 01:23 UTC |
Volpi Kirsten MDirector
|
Exercise / conversionCOMMON STOCK | 1,000 | $9.59 | $9,590.00 |
DisclosureSEC source: 0001582882-25-000005 · wk-form4_1764725006.xml · nonDerivative · entry 2 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 69,218 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:22 UTC |
SHOEMAKER LESLIE LEVP, Chief Sustainability
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 19,641 | $0.00 | $0.00 |
DisclosureSEC source: 0001450067-25-000005 · wk-form4_1764724927.xml · derivative · entry 4 SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 19,641 Underlying: COMMON STOCK · 19,641 shares Expires not disclosed F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2026, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:23 UTC |
Volpi Kirsten MDirector
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,964 | $0.00 | $0.00 |
DisclosureSEC source: 0001582882-25-000005 · wk-form4_1764725006.xml · derivative · entry 3 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,964 Underlying: COMMON STOCK · 1,964 shares Expires not disclosed F1 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F2 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2026. F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:18 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 14,029 | $0.00 | $0.00 |
DisclosureSEC source: 0001728969-25-000006 · wk-form4_1764724692.xml · derivative · entry 4 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,029 Underlying: COMMON STOCK · 14,029 shares Expires not disclosed F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2026, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:20 UTC |
Obiaya ChristianaDirector
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,964 | $0.00 | $0.00 |
DisclosureSEC source: 0001902712-25-000006 · wk-form4_1764724814.xml · derivative · entry 2 Obiaya Christiana · CIK 0001902712 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,964 Underlying: COMMON STOCK · 1,964 shares Expires not disclosed F1 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F2 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2026. F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:15 UTC |
Gandhi PrashantDirector
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,964 | $0.00 | $0.00 |
DisclosureSEC source: 0001927052-25-000005 · wk-form4_1764724529.xml · derivative · entry 2 Gandhi Prashant · CIK 0001927052 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,964 Underlying: COMMON STOCK · 1,964 shares Expires not disclosed F1 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F2 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2026. F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 5,612 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · derivative · entry 11 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,612 Underlying: COMMON STOCK · 5,612 shares Expires not disclosed F5 · derivative.exercise_price: Represents an award of RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F9 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2026, and 25% annually, thereafter, until fully vested. F7 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:11 UTC |
BURDICK STEVEN MEVP, CFO
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 19,641 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000005 · wk-form4_1764724314.xml · derivative · entry 4 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 19,641 Underlying: COMMON STOCK · 19,641 shares Expires not disclosed F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2026, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:08 UTC |
Argus Roger RPresident
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 19,641 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000005 · wk-form4_1764724098.xml · derivative · entry 4 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 19,641 Underlying: COMMON STOCK · 19,641 shares Expires not disclosed F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2026, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:10 UTC |
Birkenbeuel GaryDirector
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,964 | $0.00 | $0.00 |
DisclosureSEC source: 0001748476-25-000003 · wk-form4_1764724236.xml · derivative · entry 1 Birkenbeuel Gary · CIK 0001748476 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,964 Underlying: COMMON STOCK · 1,964 shares Expires not disclosed F1 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F2 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2026. F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 01:07 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 101,010 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000006 · wk-form4_1764724018.xml · derivative · entry 4 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 101,010 Underlying: COMMON STOCK · 101,010 shares Expires not disclosed F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2026, and 25% annually, thereafter, until fully vested. F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 19, 2025 Filed Dec 3, 2025 22:54 UTC |
Ritrievi Kimberly EDirector
|
GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,964 | $0.00 | $0.00 |
DisclosureSEC source: 0000831641-25-000039 · wk-form4_1764802489.xml · derivative · entry 1 Ritrievi Kimberly E · CIK 0001592089 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,964 Underlying: COMMON STOCK · 1,964 shares Expires not disclosed F1 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F2 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2026. F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:49 UTC |
Gandhi PrashantDirector
|
GrantCOMMON STOCK | 4,104 | $0.00 | $0.00 |
DisclosureSEC source: 0001927052-25-000003 · wk-form4_1763682552.xml · nonDerivative · entry 1 Gandhi Prashant · CIK 0001927052 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,835 F1 · shares: Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:51 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 19,015 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000004 · wk-form4_1763682671.xml · derivative · entry 7 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 19,010 Underlying: COMMON STOCK · 19,015 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F5 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F8 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2023, and 25% annually, thereafter, until fully vested. F7 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:51 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 14,030 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000004 · wk-form4_1763682671.xml · derivative · entry 6 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 14,030 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F5 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F6 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2022, and 25% annually, thereafter, until fully vested. F7 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:51 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Tax withholdingCOMMON STOCK | 90,653 | $35.69 | $3,235,405.57 |
DisclosureSEC source: 0001207854-25-000004 · wk-form4_1763682671.xml · nonDerivative · entry 5 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 314,309 F4 · shares: Represents the shares withheld to pay the related tax liability of performance stock units that vested on November 18, 2025. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:51 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
GrantCOMMON STOCK | 164,285 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000004 · wk-form4_1763682671.xml · nonDerivative · entry 4 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 404,962 F3 · shares: Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:51 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Tax withholdingCOMMON STOCK | 18,235 | $35.69 | $650,807.15 |
DisclosureSEC source: 0001207854-25-000004 · wk-form4_1763682671.xml · nonDerivative · entry 3 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 240,677 F2 · shares: Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 18, 2025. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:51 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Exercise / conversionCOMMON STOCK | 19,015 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000004 · wk-form4_1763682671.xml · nonDerivative · entry 2 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 258,912 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:51 UTC |
BATRACK DAN LDirector · Chairman and CEO
|
Exercise / conversionCOMMON STOCK | 14,030 | $0.00 | $0.00 |
DisclosureSEC source: 0001207854-25-000004 · wk-form4_1763682671.xml · nonDerivative · entry 1 BATRACK DAN L · CIK 0001207854 · Director · Chairman and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 239,897 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · balance_after: Amount of securities beneficially owned was updated to reflect that 149 shares of common stock were acquired by the Reporting Person on December 15, 2024, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP). Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:46 UTC |
Argus Roger RPresident
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,535 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000003 · wk-form4_1763682380.xml · derivative · entry 7 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 2,535 Underlying: COMMON STOCK · 2,535 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F5 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F8 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2023, and 25% annually, thereafter, until fully vested. F7 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:46 UTC |
Argus Roger RPresident
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,055 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000003 · wk-form4_1763682380.xml · derivative · entry 6 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 2,055 shares Expires not disclosed Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F5 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock. F6 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2022, and 25% annually, thereafter, until fully vested. F7 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| November 18, 2025 Filed Nov 20, 2025 23:46 UTC |
Argus Roger RPresident
|
Tax withholdingCOMMON STOCK | 12,086 | $35.69 | $431,349.34 |
DisclosureSEC source: 0001721930-25-000003 · wk-form4_1763682380.xml · nonDerivative · entry 5 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 37,565 F4 · shares: Represents the shares withheld to pay the related tax liability of performance stock units that vested on November 18, 2025. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.