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CARTER BRIAN N

Disclosed activity across 1 company

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67478
SEC CIK
0001561742

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
TETRA TECH INCTTEK · Entity 3570SVP, Corporate ControllerFebruary 04, 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 04, 2026 · Filed February 06, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
COMMON STOCKSEC Table I · non-derivativeDirect46,496 Reported balance After 2026-02-04 transaction · row 1
1 source row

Row 1 · 2026-02-04 · Sale · Disposed 9,979 · Balance 46,496

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.2244 to $40.225, inclusive.

Filing footnotes · ownership attribution and instrument terms

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.2244 to $40.225, inclusive.

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 01:58 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 308 $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000102 · wf-form4_166916867587563.xml · nonDerivative · entry 4

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,187

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 01:58 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 407 $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000102 · wf-form4_166916867587563.xml · nonDerivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,879

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 01:58 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 539 $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000102 · wf-form4_166916867587563.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,472

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 01:58 UTC TETRA TECH INC TTEK · Entity 3570 GrantCOMMON STOCK 4,790 $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000102 · wf-form4_166916867587563.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,933

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 00:39 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 1,014 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-22-000070 · wf-form4_166881837873680.xml · derivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,014

Underlying: COMMON STOCK · 1,014 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
November 29, 2021 Filed Nov 30, 2021 22:53 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 3,015 $189.44 $571,161.60
Disclosure

SEC source: 0000831641-21-000151 · wf-form4_163831277649689.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,143

F1 · price: $189.440025 is an average price. Shares were sold at prices ranging from $189.425 to $189.506 per share.

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 796 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000136 · wf-form4_163780192329855.xml · derivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 796

Underlying: COMMON STOCK · 796 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 3,451 $190.38 $657,001.38
Disclosure

SEC source: 0000831641-21-000136 · wf-form4_163780192329855.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,158

F2 · price: Represents the combined number of shares withheld to pay the related tax liability on a total of 6,466 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 6,466 $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000136 · wf-form4_163780192329855.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,609

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 00:41 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 308 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000095 · wf-form4_163762805210016.xml · derivative · entry 7

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 922

Underlying: COMMON STOCK · 308 shares

Expires 2024-11-19

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 00:41 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 407 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000095 · wf-form4_163762805210016.xml · derivative · entry 6

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 814

Underlying: COMMON STOCK · 407 shares

Expires 2023-11-21

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 00:41 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 539 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000095 · wf-form4_163762805210016.xml · derivative · entry 5

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 539

Underlying: COMMON STOCK · 539 shares

Expires 2022-11-18

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 00:41 UTC TETRA TECH INC TTEK · Entity 3570 GrantCOMMON STOCK 901 $187.88 $169,279.88
Disclosure

SEC source: 0000831641-21-000095 · wf-form4_163762805210016.xml · nonDerivative · entry 4

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,143

F2 · shares: Represents the combined number of shares withheld to pay the related tax liability on a total of 1,684 restricted stock units (RSUs) which vested on 11/18/2021.

Read SEC document
November 18, 2021 Filed Nov 23, 2021 00:41 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 308 $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000095 · wf-form4_163762805210016.xml · nonDerivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,044

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 00:41 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 407 $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000095 · wf-form4_163762805210016.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,736

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 00:41 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 539 $0.00 $0.00
Disclosure

SEC source: 0000831641-21-000095 · wf-form4_163762805210016.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,329

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 22, 2021 Filed Feb 25, 2021 00:22 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 6,459 $0.00 Strike: $40.80 $0.00
Disclosure

SEC source: 0000831641-21-000034 · wf-form4_161421255204904.xml · derivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 6,459 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.

F2 · derivative.exercise_date: The option becomes exercisable as to 25% of the shares on each anniversary of the grant date.

F3 · derivative.expiration_date: The option granted expires 10 years after the grant date.

Read SEC document
February 22, 2021 Filed Feb 25, 2021 00:22 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 6,459 $141.24 $912,245.91
Disclosure

SEC source: 0000831641-21-000034 · wf-form4_161421255204904.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,790

F1 · price: $141.2364 is an average price. Shares were sold at prices ranging from $140.9159 to $141.5200 per share.

Read SEC document
February 22, 2021 Filed Feb 25, 2021 00:22 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 6,459 $40.80 $263,527.20
Disclosure

SEC source: 0000831641-21-000034 · wf-form4_161421255204904.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,249

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, 2020 Filed Nov 25, 2020 22:10 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 3,165 $122.11 $386,462.33
Disclosure

SEC source: 0000831641-20-000161 · wf-form4_160634216860495.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,790

F1 · price: $120.105 is an average price. Shares were sold at prices ranging from $120.044 to $120.360 per share.

Read SEC document
November 19, 2020 Filed Nov 21, 2020 00:27 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 1,230 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000146 · wf-form4_160591845304439.xml · derivative · entry 7

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,230

Underlying: COMMON STOCK · 1,230 shares

Expires 2024-11-19

F6 · 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 21, 2020 00:27 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 408 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000146 · wf-form4_160591845304439.xml · derivative · entry 6

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,221

Underlying: COMMON STOCK · 408 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.

F5 · 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 21, 2020 00:27 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 539 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000146 · wf-form4_160591845304439.xml · derivative · entry 5

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,078

Underlying: COMMON STOCK · 539 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.

F4 · derivative.exercise_date: The restricted stock units (RSUs) become vested as to 25% of the shares underlying the RSUs on November 18, 2019, and on each of anniversary of that date until the RSUs are fully vested.

Read SEC document
November 18, 2020 Filed Nov 21, 2020 00:27 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 4,721 $122.00 $575,962.00
Disclosure

SEC source: 0000831641-20-000146 · wf-form4_160591845304439.xml · nonDerivative · entry 4

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,955

F3 · price: Represents the combined number of shares withheld to pay the related tax liability on a total of 6,878 performance stock units (PSUs) and 1,864 restricted stock units (RSUs) which vested on 11/18/2020.

Read SEC document
November 18, 2020 Filed Nov 21, 2020 00:27 UTC TETRA TECH INC TTEK · Entity 3570 GrantCOMMON STOCK 6,878 $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000146 · wf-form4_160591845304439.xml · nonDerivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,676

F2 · 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 21, 2020 00:27 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 408 $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000146 · wf-form4_160591845304439.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,798

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

Read SEC document
November 18, 2020 Filed Nov 21, 2020 00:27 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 539 $0.00 $0.00
Disclosure

SEC source: 0000831641-20-000146 · wf-form4_160591845304439.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,390

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

Read SEC document
February 10, 2020 Filed Feb 12, 2020 23:56 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 7,548 $0.00 Strike: $27.26 $0.00
Disclosure

SEC source: 0000831641-20-000035 · wf-form4_158155175490208.xml · derivative · entry 5

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 7,548 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 23:56 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 8,615 $0.00 Strike: $27.16 $0.00
Disclosure

SEC source: 0000831641-20-000035 · wf-form4_158155175490208.xml · derivative · entry 4

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 8,615 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
February 10, 2020 Filed Feb 12, 2020 23:56 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 16,163 $95.29 $1,540,172.27
Disclosure

SEC source: 0000831641-20-000035 · wf-form4_158155175490208.xml · nonDerivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,851

F1 · price: $95.29 is an average price. Shares were sold at prices ranging from $95.01 to $95.66 per share.

Read SEC document
February 10, 2020 Filed Feb 12, 2020 23:56 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 7,548 $27.26 $205,758.48
Disclosure

SEC source: 0000831641-20-000035 · wf-form4_158155175490208.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,014

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
February 10, 2020 Filed Feb 12, 2020 23:56 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 8,615 $27.16 $233,983.40
Disclosure

SEC source: 0000831641-20-000035 · wf-form4_158155175490208.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,466

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
December 10, 2019 Filed Dec 12, 2019 23:35 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 3,099 $86.00 $266,505.01
Disclosure

SEC source: 0000831641-19-000206 · wf-form4_157619372911582.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,851

F1 · price: $85.9971 is an average price. Shares were sold at prices ranging from $85.98 to $86.04 per share.

Read SEC document
November 21, 2019 Filed Nov 22, 2019 21:34 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 1,629 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-19-000172 · wf-form4_157445847427508.xml · derivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,629

Underlying: COMMON STOCK · 1,629 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.

Read SEC document
November 20, 2019 Filed Nov 22, 2019 21:34 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 340 $86.28 $29,335.20
Disclosure

SEC source: 0000831641-19-000172 · wf-form4_157445847427508.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,950

F1 · shares: Represents the number of shares withheld to pay the related tax liability on a total of 637 restricted stock units (RSUs) which vested on 11/20/2019.

Read SEC document
November 18, 2019 Filed Nov 21, 2019 01:25 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 539 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-19-000119 · wf-form4_157429949047706.xml · derivative · entry 5

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,617

Underlying: COMMON STOCK · 539 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.

Read SEC document
November 18, 2019 Filed Nov 21, 2019 01:25 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 3,534 $87.15 $307,988.10
Disclosure

SEC source: 0000831641-19-000119 · wf-form4_157429949047706.xml · nonDerivative · entry 4

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,290

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 6,633 Not disclosed Not disclosed
Disclosure

SEC source: 0000831641-19-000119 · wf-form4_157429949047706.xml · nonDerivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,824

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 778 $87.15 $67,802.70
Disclosure

SEC source: 0000831641-19-000119 · wf-form4_157429949047706.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,191

F2 · shares: Represents the number of shares withheld to pay the related tax liability on a total of 1,457 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 539 Not disclosed Not disclosed
Disclosure

SEC source: 0000831641-19-000119 · wf-form4_157429949047706.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,969

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.

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February 14, 2019 Filed Feb 15, 2019 22:13 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionSTOCK OPTION (RIGHT TO BUY) · Derivative 10,764 $0.00 Strike: $28.58 $0.00
Disclosure

SEC source: 0000831641-19-000022 · wf-form4_155026879632609.xml · derivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 10,764 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.

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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February 14, 2019 Filed Feb 15, 2019 22:13 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 10,764 $57.96 $623,895.43
Disclosure

SEC source: 0000831641-19-000022 · wf-form4_155026879632609.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,430

F1 · price: $57.9613 is an average price. Shares were sold at prices ranging from $57.93 to $58.13 per share.

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February 14, 2019 Filed Feb 15, 2019 22:13 UTC TETRA TECH INC TTEK · Entity 3570 Exercise / conversionCOMMON STOCK 10,764 $28.58 $307,635.12
Disclosure

SEC source: 0000831641-19-000022 · wf-form4_155026879632609.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,194

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 26, 2018 Filed Nov 27, 2018 23:49 UTC TETRA TECH INC TTEK · Entity 3570 SaleCOMMON STOCK 8,215 $62.28 $511,623.63
Disclosure

SEC source: 0000831641-18-000190 · wf-form4_154336254952310.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,430

F1 · price: $62.2792 is an average price. Shares were sold at prices ranging from $62.1500 to $62.4525 per share.

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November 21, 2018 Filed Nov 22, 2018 01:07 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 198 $62.68 $12,410.64
Disclosure

SEC source: 0000831641-18-000180 · wf-form4_154284886180916.xml · nonDerivative · entry 4

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,645

F4 · shares: Represents the shares underlying restricted stock units (RSUs) which vested on 11/20/2018 and 11/21/2018 and were withheld to pay the related tax liability.

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November 20, 2018 Filed Nov 22, 2018 01:07 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 221 $63.44 $14,020.24
Disclosure

SEC source: 0000831641-18-000180 · wf-form4_154284886180916.xml · nonDerivative · entry 3

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,843

F4 · shares: Represents the shares underlying restricted stock units (RSUs) which vested on 11/20/2018 and 11/21/2018 and were withheld to pay the related tax liability.

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November 20, 2018 Filed Nov 22, 2018 01:07 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 2,824 $63.44 $179,154.56
Disclosure

SEC source: 0000831641-18-000180 · wf-form4_154284886180916.xml · nonDerivative · entry 2

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,064

F3 · shares: Represents the shares underlying PSUs which vested on 11/20/2018 and were withheld to pay the related tax liability.

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November 20, 2018 Filed Nov 22, 2018 01:07 UTC TETRA TECH INC TTEK · Entity 3570 GrantCOMMON STOCK 8,163 $0.00 $0.00
Disclosure

SEC source: 0000831641-18-000180 · wf-form4_154284886180916.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,888

F1 · shares: Shares acquired pursuant to vesting of performance stock units (PSUs) earned under 2015 Equity Incentive Plan.

F2 · price: Each PSU represented the right to receive one share of common stock.

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November 18, 2018 Filed Nov 20, 2018 02:04 UTC TETRA TECH INC TTEK · Entity 3570 Tax withholdingCOMMON STOCK 318 $65.34 $20,778.12
Disclosure

SEC source: 0000831641-18-000142 · wf-form4_154267942953825.xml · nonDerivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,725

F1 · shares: Represents the shares underlying restricted stock units (RSUs) which vested on 11/18/2018 and were withheld to pay the related tax liability.

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November 15, 2018 Filed Nov 16, 2018 22:11 UTC TETRA TECH INC TTEK · Entity 3570 GrantRESTRICTED STOCK UNITS (RIGHT TO RECEIVE) · Derivative 2,156 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000831641-18-000107 · wf-form4_154240624630756.xml · derivative · entry 1

CARTER BRIAN N · CIK 0001561742 · SVP, Corporate Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,156

Underlying: COMMON STOCK · 2,156 shares

Expires 2022-11-18

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 restricted stock units (RSUs) become vested as to 25% of the shares underlying the RSUs on November 18, 2019, and on each of anniversary of that date until the RSUs are fully vested.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.