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BURDICK STEVEN M

Disclosed activity across 1 company

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67479
SEC CIK
0001277150

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
TETRA TECH INCTTEK · Entity 3570EVP, CFOFebruary 06, 2026February 06, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

TETRA TECH INC

Report date February 06, 2026 · Filed February 06, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
COMMON STOCKSEC Table I · non-derivativeDirect138,251 Reported balance After 2026-02-06 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-02-06 · Gift · Disposed 11,100 · Balance 138,251

F1: Bona fide gift to charitable organization. No compensation was given to the donor for the gifting of shares.

F2: The balance of 149,351 shares includes 132 shares of common stock that were acquired by the Reporting Person on December 15, 2025, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP).

Filing footnotes · ownership attribution and instrument terms

F1: Bona fide gift to charitable organization. No compensation was given to the donor for the gifting of shares.

F2: The balance of 149,351 shares includes 132 shares of common stock that were acquired by the Reporting Person on December 15, 2025, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP).

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
November 18, 2022 Filed Nov 23, 2022 01:57 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 814 $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000100 · wf-form4_166916858242831.xml · nonDerivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,828

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, 2022 Filed Nov 23, 2022 01:57 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 1,000 $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000100 · wf-form4_166916858242831.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,014

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, 2022 Filed Nov 23, 2022 01:57 UTC TETRA TECH INC TTEK · Entity 3570 GrantCOMMON STOCK 9,578 $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000100 · wf-form4_166916858242831.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,014

F1 · price: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2018 Equity Incentive Plan.

Read SEC document
November 16, 2022 Filed Nov 19, 2022 00:37 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 2,535 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000068 · wf-form4_166881823754231.xml · derivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,535

Underlying: COMMON STOCK · 2,535 shares

Expires not disclosed

F1 · shares: 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 vested as to 25% of the shares on November 18, 2023, and 25% of the shares on each anniversary date thereafter until fully vested.

F3 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

Read SEC document
December 08, 2021 Filed Dec 10, 2021 22:14 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 16,132 $188.73 $3,044,608.49
Disclosure

SEC source: 0000831641-21-000163 · wf-form4_163917448213000.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,393

F1 · price: $188.730952 is an average price. Shares were sold at prices ranging from $187.42 to $190.57 per share.

Read SEC document
December 03, 2021 Filed Dec 4, 2021 01:10 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 2,790 $47.95 Strike: $47.95 $133,780.50
Disclosure

SEC source: 0000831641-21-000154 · wf-form4_163858020411335.xml · derivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 2,790 shares

Expires 2027-11-17

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_date: The option becomes exercisable as to 25% of the shares on each anniversary of the grant date.

Read SEC document
December 03, 2021 Filed Dec 4, 2021 01:10 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 2,790 $185.18 $516,646.90
Disclosure

SEC source: 0000831641-21-000154 · wf-form4_163858020411335.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,525

F1 · price: $185.178110 is an average price. Shares were sold at prices ranging from $185.161 to $185.70 per share.

Read SEC document
December 03, 2021 Filed Dec 4, 2021 01:10 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 2,790 $47.95 $133,780.50
Disclosure

SEC source: 0000831641-21-000154 · wf-form4_163858020411335.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,315

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 23, 2021 Filed Nov 25, 2021 00:58 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 2,017 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000135 · wf-form4_163780190131173.xml · derivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,017

Underlying: COMMON STOCK · 2,017 shares

Expires 2025-11-18

F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2022, and the anniversary of that date going forward until fully vested.

Read SEC document
November 23, 2021 Filed Nov 25, 2021 00:58 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 6,484 $190.38 $1,234,423.92
Disclosure

SEC source: 0000831641-21-000135 · wf-form4_163780190131173.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,525

F2 · price: Represents the combined number of shares withheld to pay the related tax liability on a total of 12,010 performance stock units (PSUs) which vested on November 23, 2021.

Read SEC document
November 23, 2021 Filed Nov 25, 2021 00:58 UTC TETRA TECH INC TTEK · Entity 3570 GrantCOMMON STOCK 12,010 $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000135 · wf-form4_163780190131173.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,009

F1 · price: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2018 Equity Incentive Plan.

Read SEC document
November 18, 2021 Filed Nov 23, 2021 00:40 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 738 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000094 · wf-form4_163762803309326.xml · derivative · entry 7

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,213

Underlying: COMMON STOCK · 738 shares

Expires 2024-11-19

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_date: The RSUs become vested as to 25% of the shares on November 18, 2021, and the anniversary of that date going forward until fully vested.

Read SEC document
November 18, 2021 Filed Nov 23, 2021 00:40 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 815 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000094 · wf-form4_163762803309326.xml · derivative · entry 6

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,628

Underlying: COMMON STOCK · 815 shares

Expires 2023-11-21

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 RSUs become vested as to 25% of the shares on November 18, 2020, and the anniversary of that date going forward until fully vested.

Read SEC document
November 18, 2021 Filed Nov 23, 2021 00:40 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 1,001 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000094 · wf-form4_163762803309326.xml · derivative · entry 5

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,000

Underlying: COMMON STOCK · 1,001 shares

Expires 2022-11-18

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.

F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2019, and the anniversary of that date going forward until fully vested.

Read SEC document
November 18, 2021 Filed Nov 23, 2021 00:40 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 1,844 $187.88 $346,450.72
Disclosure

SEC source: 0000831641-21-000094 · wf-form4_163762803309326.xml · nonDerivative · entry 4

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,690

F2 · shares: Represents the combined number of shares withheld to pay the related tax liability on a total of 3,413 restricted stock units (RSUs) which vested on 11/18/2021.

Read SEC document
November 18, 2021 Filed Nov 23, 2021 00:40 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 738 $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000094 · wf-form4_163762803309326.xml · nonDerivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,534

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 · shares: The award becomes vested as to 25% of the RSUs on the anniversary of the grant date.

Read SEC document
November 18, 2021 Filed Nov 23, 2021 00:40 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 815 $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000094 · wf-form4_163762803309326.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,796

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 · shares: The award becomes vested as to 25% of the RSUs on the anniversary of the grant date.

Read SEC document
November 18, 2021 Filed Nov 23, 2021 00:40 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 1,001 $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000094 · wf-form4_163762803309326.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,981

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 · shares: The award becomes vested as to 25% of the RSUs on the anniversary of the grant date.

Read SEC document
February 03, 2021 Filed Feb 4, 2021 23:20 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 10,801 $129.45 $1,398,239.13
Disclosure

SEC source: 0000831641-21-000017 · wf-form4_161248081020193.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,980

F1 · price: $129.4546 is an average price. Shares were sold at prices ranging from $128.86 to $129.46 per share.

F2 · balance_after: Amount of securities beneficially owned was updated to reflect that 58 shares of common stock were acquired by the Reporting Person on December 15, 2020, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP).

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 2,951 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · derivative · entry 12

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,951

Underlying: COMMON STOCK · 2,951 shares

Expires 2024-11-19

F9 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2021, and the anniversary of that date going forward until fully vested.

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 815 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · derivative · entry 11

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,443

Underlying: COMMON STOCK · 815 shares

Expires 2023-11-21

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.

F8 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2020, and the anniversary of that date going forward until fully vested.

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 1,001 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · derivative · entry 10

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,002

Underlying: COMMON STOCK · 1,001 shares

Expires 2022-11-18

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.

F7 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2019, and the anniversary of that date until fully vested.

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 8,371 $0.00 Strike: $47.95 $0.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · derivative · entry 9

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,790

Underlying: COMMON STOCK · 8,371 shares

Expires 2027-11-17

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_date: The option becomes exercisable as to 25% of the shares on each anniversary of the grant date.

F6 · derivative.expiration_date: The option granted expires 10 years after the grant date.

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 11,427 $0.00 Strike: $40.80 $0.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · derivative · entry 8

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 11,427 shares

Expires 2026-11-18

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.

F5 · derivative.exercise_date: The option becomes exercisable as to 25% of the shares on each anniversary of the grant date.

F6 · derivative.expiration_date: The option granted expires 10 years after the grant date.

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 9,338 $122.00 $1,139,236.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · nonDerivative · entry 7

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,723

F4 · price: Represents the combined number of shares withheld to pay the related tax liability on a total of 13,756 performance stock units (PSUs) and 3,538 restricted stock units (RSUs) which vested on 11/18/2020.

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 GrantCOMMON STOCK 13,756 $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · nonDerivative · entry 6

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,061

F3 · price: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2015 Equity Incentive Plan.

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 815 $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · nonDerivative · entry 5

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,305

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 · price: Shares automatically acquired upon the vesting of restricted stock units (RSUs).

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 1,001 $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · nonDerivative · entry 4

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,490

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 · price: Shares automatically acquired upon the vesting of restricted stock units (RSUs).

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 19,798 $123.41 $2,443,190.01
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · nonDerivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,489

F1 · price: $123.4059 is an average price. Shares were sold at prices ranging from $122.00 to $125.37 per share.

Read SEC document
November 18, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 8,371 $47.95 $401,389.45
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,287

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, 2020 Filed Nov 20, 2020 23:07 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 11,427 $40.80 $466,221.60
Disclosure

SEC source: 0000831641-20-000135 · wf-form4_160591365524434.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,916

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 05, 2020 Filed Aug 5, 2020 23:20 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 17,622 $0.00 Strike: $27.16 $0.00
Disclosure

SEC source: 0000831641-20-000069 · wf-form4_159666958655705.xml · derivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 17,622 shares

Expires 2025-11-20

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_date: The option became exercisable as to 25% of the shares on each anniversary of the grant date.

Read SEC document
August 05, 2020 Filed Aug 5, 2020 23:20 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 17,622 $91.38 $1,610,268.40
Disclosure

SEC source: 0000831641-20-000069 · wf-form4_159666958655705.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,489

F1 · price: $91.3783 is an average price. Shares were sold at prices ranging from $91.02 to $91.64 per share.

Read SEC document
August 05, 2020 Filed Aug 5, 2020 23:20 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 17,622 $27.16 $478,613.52
Disclosure

SEC source: 0000831641-20-000069 · wf-form4_159666958655705.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,111

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 10, 2020 Filed Feb 12, 2020 23:55 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 16,229 $0.00 Strike: $27.26 $0.00
Disclosure

SEC source: 0000831641-20-000034 · wf-form4_158155173451013.xml · derivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 16,229 shares

Expires 2022-11-21

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_date: The option became exercisable as to 25% of the shares on each anniversary of the grant date.

Read SEC document
February 10, 2020 Filed Feb 12, 2020 23:55 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 16,229 $95.27 $1,546,172.53
Disclosure

SEC source: 0000831641-20-000034 · wf-form4_158155173451013.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,489

F1 · price: $95.2722 is an average price. Shares were sold at prices ranging from $94.92 to $95.43 per share.

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February 10, 2020 Filed Feb 12, 2020 23:55 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 16,229 $27.26 $442,402.54
Disclosure

SEC source: 0000831641-20-000034 · wf-form4_158155173451013.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,718

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.

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February 06, 2020 Filed Feb 7, 2020 23:46 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 23,143 $0.00 Strike: $28.58 $0.00
Disclosure

SEC source: 0000831641-20-000028 · wf-form4_158111917180404.xml · derivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 23,143 shares

Expires 2021-11-22

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.

F3 · derivative.exercise_date: The option became exercisable as to 25% of the shares on each anniversary of the grant date.

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February 06, 2020 Filed Feb 7, 2020 23:46 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 23,143 $92.40 $2,138,519.66
Disclosure

SEC source: 0000831641-20-000028 · wf-form4_158111917180404.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,489

F2 · price: $92.4046 is an average price. Shares were sold at prices ranging from $91.78 to $92.97 per share.

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February 06, 2020 Filed Feb 7, 2020 23:46 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 23,143 $28.58 $661,426.94
Disclosure

SEC source: 0000831641-20-000028 · wf-form4_158111917180404.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,632

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 96 shares of common stock were acquired by the Reporting Person on December 13, 2019, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP).

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November 25, 2019 Filed Nov 27, 2019 23:55 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionEMPLOYEE STOCK OPTION (RIGHT TO BUY) · Derivative 16,000 $0.00 Strike: $24.26 $0.00
Disclosure

SEC source: 0000831641-19-000194 · wf-form4_157489892231386.xml · derivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 16,000 shares

Expires 2020-11-16

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_date: The option became exercisable as to 25% of the shares on each anniversary of the grant date.

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November 25, 2019 Filed Nov 27, 2019 23:55 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 16,000 $87.43 $1,398,806.40
Disclosure

SEC source: 0000831641-19-000194 · wf-form4_157489892231386.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,393

F1 · price: $87.4254 is an average price. Shares were sold at prices ranging from $86.86 to $88.24 per share.

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November 25, 2019 Filed Nov 27, 2019 23:55 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 16,000 $24.26 $388,160.00
Disclosure

SEC source: 0000831641-19-000194 · wf-form4_157489892231386.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,393

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.

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November 21, 2019 Filed Nov 22, 2019 21:34 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 3,258 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-19-000171 · wf-form4_157445845306304.xml · derivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,258

Underlying: COMMON STOCK · 3,258 shares

Expires 2023-11-18

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 restricted stock units (RSUs) vest in four equal annual installments beginning on November 18, 2020.

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November 20, 2019 Filed Nov 22, 2019 21:34 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 704 $86.28 $60,741.12
Disclosure

SEC source: 0000831641-19-000171 · wf-form4_157445845306304.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,393

F1 · shares: Represents the number of shares withheld to pay the related tax liability on a total of 1,304 restricted stock units (RSUs) which vested on 11/20/2019.

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November 18, 2019 Filed Nov 21, 2019 01:25 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 1,001 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-19-000120 · wf-form4_157429951076908.xml · derivative · entry 5

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,003

Underlying: COMMON STOCK · 1,001 shares

Expires 2022-11-18

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.

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.

F6 · derivative.exercise_date: The restricted stock units (RSUs) vest in four equal annual installments beginning on November 18, 2019.

F6 · derivative.expiration_date: The restricted stock units (RSUs) vest in four equal annual installments beginning on November 18, 2019.

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November 18, 2019 Filed Nov 21, 2019 01:25 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 6,335 $87.15 $552,095.25
Disclosure

SEC source: 0000831641-19-000120 · wf-form4_157429951076908.xml · nonDerivative · entry 4

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,097

F5 · shares: Represents the shares underlying PSUs which vested on 11/18/2019 and were withheld to pay the related tax liability.

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November 18, 2019 Filed Nov 21, 2019 01:25 UTC TETRA TECH INC TTEK · Entity 3570 GrantCOMMON STOCK 11,735 Not disclosed Not disclosed
Disclosure

SEC source: 0000831641-19-000120 · wf-form4_157429951076908.xml · nonDerivative · entry 3

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,432

F3 · shares: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2015 Equity Incentive Plan.

F4 · price: Each PSU represented the right to receive one share of Tetra Tech common stock.

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November 18, 2019 Filed Nov 21, 2019 01:25 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 1,472 $87.15 $128,284.80
Disclosure

SEC source: 0000831641-19-000120 · wf-form4_157429951076908.xml · nonDerivative · entry 2

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,697

F2 · shares: Represents the number of shares withheld to pay the related tax liability on a total of 2,724 restricted stock units (RSUs) which vested on 11/18/2019.

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November 18, 2019 Filed Nov 21, 2019 01:25 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 1,001 Not disclosed Not disclosed
Disclosure

SEC source: 0000831641-19-000120 · wf-form4_157429951076908.xml · nonDerivative · entry 1

BURDICK STEVEN M · CIK 0001277150 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,169

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 · 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.

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.