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 18, 2025 Filed Nov 20, 2025 23:46 UTC |
Argus Roger RPresident
|
GrantCOMMON STOCK | 21,902 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000003 · wk-form4_1763682380.xml · nonDerivative · entry 4 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 49,651 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 23:46 UTC |
Argus Roger RPresident
|
Tax withholdingCOMMON STOCK | 2,533 | $35.69 | $90,402.77 |
DisclosureSEC source: 0001721930-25-000003 · wk-form4_1763682380.xml · nonDerivative · entry 3 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,749 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 23:46 UTC |
Argus Roger RPresident
|
Exercise / conversionCOMMON STOCK | 2,535 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000003 · wk-form4_1763682380.xml · nonDerivative · entry 2 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,282 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 23:46 UTC |
Argus Roger RPresident
|
Exercise / conversionCOMMON STOCK | 2,055 | $0.00 | $0.00 |
DisclosureSEC source: 0001721930-25-000003 · wk-form4_1763682380.xml · nonDerivative · entry 1 Argus Roger R · CIK 0001721930 · President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 27,747 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. 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 23:45 UTC |
Obiaya ChristianaDirector
|
GrantCOMMON STOCK | 3,643 | $0.00 | $0.00 |
DisclosureSEC source: 0001902712-25-000004 · wk-form4_1763682324.xml · nonDerivative · entry 1 Obiaya Christiana · CIK 0001902712 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,453 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 23:43 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,535 | $0.00 | $0.00 |
DisclosureSEC source: 0001728969-25-000004 · wk-form4_1763682192.xml · derivative · entry 7 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 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 23:43 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,055 | $0.00 | $0.00 |
DisclosureSEC source: 0001728969-25-000004 · wk-form4_1763682192.xml · derivative · entry 6 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 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 23:43 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
Tax withholdingCOMMON STOCK | 8,620 | $35.69 | $307,647.80 |
DisclosureSEC source: 0001728969-25-000004 · wk-form4_1763682192.xml · nonDerivative · entry 5 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 79,996 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 23:43 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
GrantCOMMON STOCK | 21,902 | $0.00 | $0.00 |
DisclosureSEC source: 0001728969-25-000004 · wk-form4_1763682192.xml · nonDerivative · entry 4 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 88,616 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 23:43 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
Tax withholdingCOMMON STOCK | 1,807 | $35.69 | $64,491.83 |
DisclosureSEC source: 0001728969-25-000004 · wk-form4_1763682192.xml · nonDerivative · entry 3 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 66,714 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 23:43 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
Exercise / conversionCOMMON STOCK | 2,535 | $0.00 | $0.00 |
DisclosureSEC source: 0001728969-25-000004 · wk-form4_1763682192.xml · nonDerivative · entry 2 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 68,521 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 23:43 UTC |
Hopson PrestonEVP, Chief Legal/Human Capital
|
Exercise / conversionCOMMON STOCK | 2,055 | $0.00 | $0.00 |
DisclosureSEC source: 0001728969-25-000004 · wk-form4_1763682192.xml · nonDerivative · entry 1 Hopson Preston · CIK 0001728969 · EVP, Chief Legal/Human Capital 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 65,986 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 23:44 UTC |
SHOEMAKER LESLIE LEVP, Chief Sustainability
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 3,170 | $0.00 | $0.00 |
DisclosureSEC source: 0001450067-25-000003 · wk-form4_1763682264.xml · derivative · entry 7 SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,165 Underlying: COMMON STOCK · 3,170 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 23:44 UTC |
SHOEMAKER LESLIE LEVP, Chief Sustainability
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,520 | $0.00 | $0.00 |
DisclosureSEC source: 0001450067-25-000003 · wk-form4_1763682264.xml · derivative · entry 6 SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 2,520 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 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 23:44 UTC |
SHOEMAKER LESLIE LEVP, Chief Sustainability
|
Tax withholdingCOMMON STOCK | 15,112 | $35.69 | $539,347.28 |
DisclosureSEC source: 0001450067-25-000003 · wk-form4_1763682264.xml · nonDerivative · entry 5 SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 322,811 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 23:44 UTC |
SHOEMAKER LESLIE LEVP, Chief Sustainability
|
GrantCOMMON STOCK | 27,384 | $0.00 | $0.00 |
DisclosureSEC source: 0001450067-25-000003 · wk-form4_1763682264.xml · nonDerivative · entry 4 SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 337,923 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 23:44 UTC |
SHOEMAKER LESLIE LEVP, Chief Sustainability
|
Tax withholdingCOMMON STOCK | 3,141 | $35.69 | $112,102.29 |
DisclosureSEC source: 0001450067-25-000003 · wk-form4_1763682264.xml · nonDerivative · entry 3 SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 310,539 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 23:44 UTC |
SHOEMAKER LESLIE LEVP, Chief Sustainability
|
Exercise / conversionCOMMON STOCK | 3,170 | $0.00 | $0.00 |
DisclosureSEC source: 0001450067-25-000003 · wk-form4_1763682264.xml · nonDerivative · entry 2 SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 313,680 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 23:44 UTC |
SHOEMAKER LESLIE LEVP, Chief Sustainability
|
Exercise / conversionCOMMON STOCK | 2,520 | $0.00 | $0.00 |
DisclosureSEC source: 0001450067-25-000003 · wk-form4_1763682264.xml · nonDerivative · entry 1 SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 310,510 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 23:42 UTC |
BURDICK STEVEN MEVP, CFO
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 3,170 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000003 · wk-form4_1763682133.xml · derivative · entry 7 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,165 Underlying: COMMON STOCK · 3,170 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 23:42 UTC |
BURDICK STEVEN MEVP, CFO
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,520 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000003 · wk-form4_1763682133.xml · derivative · entry 6 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 2,520 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 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 22, 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 23:42 UTC |
BURDICK STEVEN MEVP, CFO
|
Tax withholdingCOMMON STOCK | 15,112 | $35.69 | $539,347.28 |
DisclosureSEC source: 0001277150-25-000003 · wk-form4_1763682133.xml · nonDerivative · entry 5 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 145,936 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 23:42 UTC |
BURDICK STEVEN MEVP, CFO
|
GrantCOMMON STOCK | 27,384 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000003 · wk-form4_1763682133.xml · nonDerivative · entry 4 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 161,048 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 23:42 UTC |
BURDICK STEVEN MEVP, CFO
|
Tax withholdingCOMMON STOCK | 3,141 | $35.69 | $112,102.29 |
DisclosureSEC source: 0001277150-25-000003 · wk-form4_1763682133.xml · nonDerivative · entry 3 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 133,664 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 23:42 UTC |
BURDICK STEVEN MEVP, CFO
|
Exercise / conversionCOMMON STOCK | 3,170 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000003 · wk-form4_1763682133.xml · nonDerivative · entry 2 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 136,805 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 23:42 UTC |
BURDICK STEVEN MEVP, CFO
|
Exercise / conversionCOMMON STOCK | 2,520 | $0.00 | $0.00 |
DisclosureSEC source: 0001277150-25-000003 · wk-form4_1763682133.xml · nonDerivative · entry 1 BURDICK STEVEN M · CIK 0001277150 · EVP, CFO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 133,635 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 23:38 UTC |
Volpi Kirsten MDirector
|
GrantCOMMON STOCK | 4,104 | $0.00 | $0.00 |
DisclosureSEC source: 0001582882-25-000003 · wk-form4_1763681930.xml · nonDerivative · entry 1 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 66,500 F1 · shares: Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. Read SEC document |
| November 18, 2025 Filed Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 1,265 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · derivative · entry 10 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,265 Underlying: COMMON STOCK · 1,265 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. 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 Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 995 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · derivative · entry 9 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 995 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. 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 Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Tax withholdingCOMMON STOCK | 5,977 | $35.69 | $213,319.13 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · nonDerivative · entry 5 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 55,227 F3 · 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 Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
GrantCOMMON STOCK | 10,954 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · nonDerivative · entry 4 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 61,204 F2 · shares: Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. Read SEC document |
| November 18, 2025 Filed Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Tax withholdingCOMMON STOCK | 1,234 | $35.69 | $44,041.46 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · nonDerivative · entry 3 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 50,250 F1 · 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 Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Exercise / conversionCOMMON STOCK | 1,265 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · nonDerivative · entry 2 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 51,484 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 Dec 3, 2025 01:13 UTC |
CARTER BRIAN NSVP, Corporate Controller
|
Exercise / conversionCOMMON STOCK | 995 | $0.00 | $0.00 |
DisclosureSEC source: 0001561742-25-000003 · wk-form4_1764724378.xml · nonDerivative · entry 1 CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 50,219 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 |
| August 14, 2025 Filed Aug 15, 2025 20:37 UTC |
Birkenbeuel GaryDirector
|
SaleCOMMON STOCK | 2,390 | $36.00 | $86,050.04 |
DisclosureSEC source: 0000831641-25-000026 · wk-form4_1755290230.xml · nonDerivative · entry 1 Birkenbeuel Gary · CIK 0001748476 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 37,725 F1 · price: All shares sold at an exact price. F2 · balance_after: On September 6, 2024, the balance of 8,023 shares of common stock was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 32,092 shares of common stock. Read SEC document |
| February 27, 2025 Filed Mar 4, 2025 01:51 UTC |
Douglas John M.Director
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 466 | $0.00 | $0.00 |
DisclosureSEC source: 0000831641-25-000009 · wk-form4_1741053066.xml · derivative · entry 4 Douglas John M. · CIK 0002039540 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 466 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 F7 · shares: The RSUs were deemed 27% vested on the date of the reporting person's retirement. F4 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on the first anniversary dated of the award. F5 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. F6 · balance_after: The balance of the unvested RSUs was forfeited as a result of the reporting person's retirement. Read SEC document |
| February 27, 2025 Filed Mar 4, 2025 01:51 UTC |
Douglas John M.Director
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 252 | $0.00 | $0.00 |
DisclosureSEC source: 0000831641-25-000009 · wk-form4_1741053066.xml · derivative · entry 3 Douglas John M. · CIK 0002039540 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 252 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 F3 · shares: The RSUs were deemed 41% vested on the date of the reporting person's retirement. F4 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on the first anniversary dated of the award. F5 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. F6 · balance_after: The balance of the unvested RSUs was forfeited as a result of the reporting person's retirement. Read SEC document |
| February 27, 2025 Filed Mar 4, 2025 01:51 UTC |
Douglas John M.Director
|
Tax withholdingCOMMON STOCK | 108 | $27.91 | $3,014.28 |
DisclosureSEC source: 0000831641-25-000009 · wk-form4_1741053066.xml · nonDerivative · entry 2 Douglas John M. · CIK 0002039540 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 610 F1 · shares: Represents the shares underlying restricted stock units (RSUs) that were withheld to pay the related tax liability. Read SEC document |
| February 27, 2025 Filed Mar 4, 2025 01:51 UTC |
Douglas John M.Director
|
Exercise / conversionCOMMON STOCK | 718 | $27.91 | $20,039.38 |
DisclosureSEC source: 0000831641-25-000009 · wk-form4_1741053066.xml · nonDerivative · entry 1 Douglas John M. · CIK 0002039540 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 718 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 |
| February 05, 2025 Filed Feb 6, 2025 23:35 UTC |
Volpi Kirsten MDirector
|
Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative | 6,000 | $9.59 Strike: $9.59 | $57,540.00 |
DisclosureSEC source: 0000831641-25-000007 · wk-form4_1738884944.xml · derivative · entry 6 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,000 Underlying: COMMON STOCK · 6,000 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_price: On September 6, 2024, the exercise price of $47.95 was updated pursuant to a 5 to 1 forward stock split. F5 · derivative.exercise_date: The option becomes exercisable as to 100% of the shares on the anniversary of the grant date. F6 · balance_after: On September 6, 2024, the balance of 3,200 shares was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 12,800 shares of common stock. Read SEC document |
| February 05, 2025 Filed Feb 6, 2025 23:35 UTC |
Volpi Kirsten MDirector
|
GiftCOMMON STOCK | 3,800 | $0.00 | $0.00 |
DisclosureSEC source: 0000831641-25-000007 · wk-form4_1738884944.xml · nonDerivative · entry 5 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 62,396 F3 · price: Bona fide gift. No compensation was given to the donor for the gifting of shares. Read SEC document |
| February 05, 2025 Filed Feb 6, 2025 23:35 UTC |
Volpi Kirsten MDirector
|
Exercise / conversionCOMMON STOCK | 6,000 | $9.59 | $57,540.00 |
DisclosureSEC source: 0000831641-25-000007 · wk-form4_1738884944.xml · nonDerivative · entry 4 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 66,196 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 |
| February 04, 2025 Filed Feb 6, 2025 23:35 UTC |
Volpi Kirsten MDirector
|
SaleCOMMON STOCK | 4,345 | $34.31 | $149,076.95 |
DisclosureSEC source: 0000831641-25-000007 · wk-form4_1738884944.xml · nonDerivative · entry 3 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 60,196 F1 · price: All shares sold at an exact price. Read SEC document |
| February 04, 2025 Filed Feb 6, 2025 23:35 UTC |
Volpi Kirsten MDirector
|
SaleCOMMON STOCK | 4,100 | $34.33 | $140,736.60 |
DisclosureSEC source: 0000831641-25-000007 · wk-form4_1738884944.xml · nonDerivative · entry 2 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 64,541 F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.32 to $34.33, inclusive. Read SEC document |
| February 04, 2025 Filed Feb 6, 2025 23:35 UTC |
Volpi Kirsten MDirector
|
SaleCOMMON STOCK | 1,671 | $34.41 | $57,499.11 |
DisclosureSEC source: 0000831641-25-000007 · wk-form4_1738884944.xml · nonDerivative · entry 1 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 68,641 F1 · price: All shares sold at an exact price. Read SEC document |
| January 01, 2025 Filed Jan 14, 2026 21:26 UTC |
Birkenbeuel GaryDirector
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,050 | $0.00 | $0.00 |
DisclosureSEC source: 0001748476-26-000002 · wk-form4_1768425999.xml · derivative · entry 5 Birkenbeuel Gary · CIK 0001748476 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 2,050 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. F4 · 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 · shares: On September 6, 2024, the balance of 410 shares was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 1,640 shares of common stock. F6 · derivative.exercise_date: The restricted stock units (RSUs) became 100% vested as to the shares underlying the RSUs on November 18, 2021, but were deferred pursuant to the Issuer's Deferred Compensation Plan and settled according to the Reporting Person's elected distribution schedule. F7 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. Read SEC document |
| January 01, 2025 Filed Jan 14, 2026 21:26 UTC |
Birkenbeuel GaryDirector
|
Exercise / conversionCOMMON STOCK | 2,050 | $0.00 | $0.00 |
DisclosureSEC source: 0001748476-26-000002 · wk-form4_1768425999.xml · nonDerivative · entry 2 Birkenbeuel Gary · CIK 0001748476 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 45,045 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 |
| January 01, 2025 Filed Jan 14, 2026 21:26 UTC |
Birkenbeuel GaryDirector
|
GrantCOMMON STOCK | 5,270 | $0.00 | $0.00 |
DisclosureSEC source: 0001748476-26-000002 · wk-form4_1768425999.xml · nonDerivative · entry 1 Birkenbeuel Gary · CIK 0001748476 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 42,995 F1 · date: The PSUs vested on 11/21/2023 but were deferred pursuant to the Issuer's Deferred Compensation Plan and settled according to the Reporting Person's elected distribution schedule. F2 · shares: Shares acquired pursuant to vesting of performance stock units earned under 2018 Equity Incentive Plan. Read SEC document |
| November 30, 2024 Filed Dec 4, 2024 01:10 UTC |
Volpi Kirsten MDirector
|
Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative | 2,125 | $0.00 | $0.00 |
DisclosureSEC source: 0000831641-24-000119 · wk-form4_1733274603.xml · derivative · entry 2 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: COMMON STOCK · 2,125 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. F2 · derivative.exercise_date: The RSUs become 100% vested as to the shares underlying the RSUs on November 30, 2024. F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date. F4 · derivative.underlying_shares: On September 6, 2024, the balance of 425 shares was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 2,125 shares of common stock. Read SEC document |
| November 30, 2024 Filed Dec 4, 2024 01:10 UTC |
Volpi Kirsten MDirector
|
Exercise / conversionCOMMON STOCK | 2,125 | $0.00 | $0.00 |
DisclosureSEC source: 0000831641-24-000119 · wk-form4_1733274603.xml · nonDerivative · entry 1 Volpi Kirsten M · CIK 0001582882 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 70,312 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 |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.