SHOEMAKER LESLIE L

SEC source: 0001450067-25-000005 · wk-form4_1764724927.xml · derivative · entry 6

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,046

Underlying: COMMON STOCK · 3,682 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F6 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2025, and 25% annually, thereafter, until fully vested.

F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

SEC source: 0001450067-25-000005 · wk-form4_1764724927.xml · derivative · entry 5

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,070

Underlying: COMMON STOCK · 3,035 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F5 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% annually, thereafter, until fully vested.

F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

SEC source: 0001450067-25-000005 · wk-form4_1764724927.xml · nonDerivative · entry 3

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 325,821

F1 · shares: Represents the shares withheld to pay the related tax liability of the restricted stock units (RSUs) that vested on November 30, 2025.

SEC source: 0001450067-25-000005 · wk-form4_1764724927.xml · nonDerivative · entry 2

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 329,528

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.

SEC source: 0001450067-25-000005 · wk-form4_1764724927.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 325,846

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.

SEC source: 0001450067-25-000005 · wk-form4_1764724927.xml · derivative · entry 4

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,641

Underlying: COMMON STOCK · 19,641 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2026, and 25% annually, thereafter, until fully vested.

F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

SEC 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.

SEC 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.

SEC 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.

SEC 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.

SEC 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.

SEC 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.

SEC 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).

SEC source: 0000950170-25-095067 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On July 10, 2025, Radius Recycling, Inc. (the "Issuer") completed the previously announced transaction with Toyota Tsusho America, Inc. ("Parent"), and TAI Merger Corporation ("Merger Sub"), pursuant to the Agreement and Plan of Merger dated as of March 13, 2025 (the "Merger Agreement"), whereby Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger as a wholly owned subsidiary of Parent. Pursuant to the terms of the Merger Agreement, each share of Issuer Class A common stock ("Class A Common Stock") and Issuer Class B common stock ("Class B Common Stock" and together with Class A Common Stock, "Common Stock") that was issued and outstanding immediately prior to the Effective Time (as defined in the Merger Agreement) (other than certain properly dissenting shares) was converted into the right to receive $30.00 in cash (the "Merger Consideration"), without interest, and less applicable withholding taxes.

F1 · shares: On July 10, 2025, Radius Recycling, Inc. (the "Issuer") completed the previously announced transaction with Toyota Tsusho America, Inc. ("Parent"), and TAI Merger Corporation ("Merger Sub"), pursuant to the Agreement and Plan of Merger dated as of March 13, 2025 (the "Merger Agreement"), whereby Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger as a wholly owned subsidiary of Parent. Pursuant to the terms of the Merger Agreement, each share of Issuer Class A common stock ("Class A Common Stock") and Issuer Class B common stock ("Class B Common Stock" and together with Class A Common Stock, "Common Stock") that was issued and outstanding immediately prior to the Effective Time (as defined in the Merger Agreement) (other than certain properly dissenting shares) was converted into the right to receive $30.00 in cash (the "Merger Consideration"), without interest, and less applicable withholding taxes.

F2 · shares: Includes 9,607 unvested Company DSU Awards (as defined in the Merger Agreement). Pursuant to the Merger Agreement, as of the Effective Time, each Company DSU Award that was outstanding immediately prior to the Effective Time became immediately vested and was cancelled and converted into the right to receive an amount in cash equal to the sum of (x) the product of (A) the Merger Consideration, multiplied by (B) the total number of shares of Common Stock subject to such Company DSU Award, plus (y) any accrued and unpaid dividends or dividend equivalent rights corresponding to such Company DSU Award.

F1 · price: On July 10, 2025, Radius Recycling, Inc. (the "Issuer") completed the previously announced transaction with Toyota Tsusho America, Inc. ("Parent"), and TAI Merger Corporation ("Merger Sub"), pursuant to the Agreement and Plan of Merger dated as of March 13, 2025 (the "Merger Agreement"), whereby Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer continuing as the surviving corporation in the Merger as a wholly owned subsidiary of Parent. Pursuant to the terms of the Merger Agreement, each share of Issuer Class A common stock ("Class A Common Stock") and Issuer Class B common stock ("Class B Common Stock" and together with Class A Common Stock, "Common Stock") that was issued and outstanding immediately prior to the Effective Time (as defined in the Merger Agreement) (other than certain properly dissenting shares) was converted into the right to receive $30.00 in cash (the "Merger Consideration"), without interest, and less applicable withholding taxes.

F2 · price: Includes 9,607 unvested Company DSU Awards (as defined in the Merger Agreement). Pursuant to the Merger Agreement, as of the Effective Time, each Company DSU Award that was outstanding immediately prior to the Effective Time became immediately vested and was cancelled and converted into the right to receive an amount in cash equal to the sum of (x) the product of (A) the Merger Consideration, multiplied by (B) the total number of shares of Common Stock subject to such Company DSU Award, plus (y) any accrued and unpaid dividends or dividend equivalent rights corresponding to such Company DSU Award.

SEC source: 0000950170-25-064697 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,016.912

F1 · kind: Deemed reinvestment of dividends under the issuer's Deferred Compensation Plan for Non-Employee Directors.

F2 · ownership.direct: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0000950170-25-023094 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,951.01

F1 · kind: Deemed reinvestment of dividends under the issuer's Deferred Compensation Plan for Non-Employee Directors.

F2 · ownership.direct: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0000950170-25-010592 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,809.518

F1 · kind: Annual grant of Deferred Shares to Non-Employee Directors.

F2 · ownership.direct: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0000831641-24-000117 · wk-form4_1733274472.xml · derivative · entry 3

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,105

Underlying: COMMON STOCK · 3,040 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 RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% annually, thereafter, until fully vested.

F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

F5 · balance_after: On September 6, 2024, the balance of 2,429 shares was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 9,716 shares of common stock.

SEC source: 0000831641-24-000117 · wk-form4_1733274472.xml · nonDerivative · entry 2

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,841

F1 · shares: Represents the shares underlying restricted stock units (RSUs) that vested on November 30, 2024, and were withheld to pay the related tax liability.

SEC source: 0000831641-24-000117 · wk-form4_1733274472.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 309,516

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.

SEC source: 0000950170-24-131368 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,202.518

F1 · kind: Deemed reinvestment of dividends under the issuer's Deferred Compensation Plan for Non-Employee Directors.

F2 · ownership.direct: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0000831641-24-000098 · wk-form4_1732322179.xml · derivative · entry 3

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,728

Underlying: COMMON STOCK · 14,728 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F4 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2025, and 25% annually, thereafter, until fully vested.

F5 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

SEC source: 0000831641-24-000098 · wk-form4_1732322179.xml · nonDerivative · entry 2

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 306,476

F2 · shares: Represents the combined number of shares withheld to pay the related tax liability of the PSUs that vested on November 20, 2024.

SEC source: 0000831641-24-000098 · wk-form4_1732322179.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,144

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

SEC source: 0000831641-24-000075 · wk-form4_1732142217.xml · derivative · entry 7

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,335

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.

F2 · security: Represents an award RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on the first anniversary date, and 25% of the shares on each anniversary date thereafter until fully vested.

F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

F7 · derivative.underlying_shares: On September 6, 2024, the balance of 1,901 shares was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 7,604 shares of common stock.

SEC source: 0000831641-24-000075 · wk-form4_1732142217.xml · derivative · entry 6

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,520

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.

F2 · security: Represents an award RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on the first anniversary date, and 25% of the shares on each anniversary date thereafter until fully vested.

F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

F6 · derivative.underlying_shares: On September 6, 2024, the balance of 1,008 shares was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 4,032 shares of common stock.

SEC source: 0000831641-24-000075 · wk-form4_1732142217.xml · derivative · entry 5

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 3,685 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 · security: Represents an award RSUs, each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F3 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on the first anniversary date, and 25% of the shares on each anniversary date thereafter until fully vested.

F4 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

F5 · derivative.underlying_shares: On September 6, 2024, the balance of 737 shares was updated pursuant to a 5 to 1 forward stock split, resulting in an additional 2,948 shares of common stock.

SEC source: 0000831641-24-000075 · wk-form4_1732142217.xml · nonDerivative · entry 4

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300,224

F1 · shares: Represents the shares underlying restricted stock units (RSUs) withheld to pay the related tax liability.

SEC source: 0000831641-24-000075 · wk-form4_1732142217.xml · nonDerivative · entry 3

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 305,390

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.

SEC source: 0000831641-24-000075 · wk-form4_1732142217.xml · nonDerivative · entry 2

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 302,220

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.

SEC source: 0000831641-24-000075 · wk-form4_1732142217.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 299,700

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.

SEC source: 0000831641-24-000050 · wk-form4_1726181406.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 296,015

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.88 to $46.41, inclusive.

F2 · balance_after: On September 6, 2024, the balance of 74,887 shares of common stock was updated pursuant to a forward 5 to 1 stock split, resulting in an additional 299,548 shares of common stock.

SEC source: 0000950170-24-091746 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Note

Disclosed balance after: 10,147.087

F1 · kind: Deemed reinvestment of dividends under the issuer's Deferred Compensation Plan for Non-Employee Directors.

F2 · ownership.nature: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0000831641-24-000031 · wk-form4_1718404362.xml · derivative · entry 3

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 11,161 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.

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

SEC source: 0000831641-24-000031 · wk-form4_1718404362.xml · nonDerivative · entry 2

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,887

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $211.40 to $212.16, inclusive.

F2 · balance_after: Amount of securities beneficially owned was updated to reflect that 35 shares of common stock were acquired by the Reporting Person on December 15, 2023, pursuant to the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP).

SEC source: 0000831641-24-000031 · wk-form4_1718404362.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,013

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.

SEC source: 0000950170-24-054590 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Note

Disclosed balance after: 10,073.77

F1 · kind: Deemed reinvestment of dividends under the issuer's Deferred Compensation Plan for Non-Employee Directors.

F2 · ownership.nature: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0000950170-24-023988 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Note

Disclosed balance after: 10,017.712

F1 · kind: Deemed reinvestment of dividends under the issuer's Deferred Compensation Plan for Non-Employee Directors.

F2 · ownership.nature: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0000950170-24-009528 · ownership.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Note

Disclosed balance after: 9,974.45

F1 · kind: Annual grant of Deferred Shares to Non-Employee Directors.

F2 · ownership.nature: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0001209191-23-056816 · doc4.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Note

Disclosed balance after: 5,574.45

F1 · kind: Deemed reinvestment of dividends under the issuer's Deferred Compensation Plan for Non-Employee Directors.

F2 · ownership.nature: Deferred Shares that have been or will be credited to the reporting person's account under the issuer's Deferred Compensation Plan for Non-Employee Directors.

SEC source: 0000831641-23-000109 · wk-form4_1700701784.xml · derivative · entry 3

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,429

Underlying: COMMON STOCK · 2,429 shares

Expires not disclosed

F3 · security: Represents an award of restricted stock units (RSUs), each unit of which represents a contingent right to receive one share of Tetra Tech common stock.

F4 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 30, 2024, and 25% of the shares on each anniversary date thereafter until fully vested.

F5 · derivative.expiration_date: The RSUs are exercisable at the time of vesting and do not have a set expiration date.

SEC source: 0000831641-23-000109 · wk-form4_1700701784.xml · nonDerivative · entry 2

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,852

F2 · shares: Represents the combined number of shares withheld to pay the related tax liability of the performance stock units that vested on November 21, 2023.

SEC source: 0000831641-23-000109 · wk-form4_1700701784.xml · nonDerivative · entry 1

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,903

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

SEC source: 0000831641-23-000071 · wk-form4_1700621433.xml · derivative · entry 9

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,901

Underlying: COMMON STOCK · 634 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.

F6 · derivative.exercise_date: The RSUs become vested as to 25% of the shares on November 18, 2023, and the anniversary of that date going forward until fully vested.

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

SEC source: 0000831641-23-000071 · wk-form4_1700621433.xml · derivative · entry 8

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,008

Underlying: COMMON STOCK · 504 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_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.

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

SEC source: 0000831641-23-000071 · wk-form4_1700621433.xml · derivative · entry 7

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 737

Underlying: COMMON STOCK · 738 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_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.

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

SEC source: 0000831641-23-000071 · wk-form4_1700621433.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 · 814 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_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.

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

SEC source: 0000831641-23-000071 · wk-form4_1700621433.xml · nonDerivative · entry 5

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,106

F1 · shares: Represents the shares underlying restricted stock units (RSUs) which vested on 11/18/2023 and were withheld to pay the related tax liability.

SEC source: 0000831641-23-000071 · wk-form4_1700621433.xml · nonDerivative · entry 4

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,561

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.

SEC source: 0000831641-23-000071 · wk-form4_1700621433.xml · nonDerivative · entry 3

SHOEMAKER LESLIE L · CIK 0001450067 · EVP, Chief Sustainability

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,927

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.