J

SEC source: 0000950170-24-108484 · ownership.xml · nonDerivative · entry 8

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,643

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.

F10 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 15, 2023 pursuant to the Jacobs Stock Incentive Plan.

F12 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 95.4% of the number of performance stock units originally awarded on November 15, 2023 based on the Company's average ROIC over the three-year performance period, with such percentage determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2026 received service credit for one-third of the performance period.

F10 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 15, 2023 pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108484 · ownership.xml · nonDerivative · entry 7

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,599

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.

F10 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 15, 2023 pursuant to the Jacobs Stock Incentive Plan.

F11 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 90.3% of the number of performance stock units originally awarded on November 15, 2023, based on the Company's EPS growth over the three-year performance period, with such percentages determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2026 received service credit for one-third of the performance period.

F10 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 15, 2023 pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108484 · ownership.xml · nonDerivative · entry 6

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,610

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 · kind: Represents distribution of Jacobs' common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to pursuant to the Jacobs Stock Incentive Plan.

F9 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 91.0% of the number of performance stock units originally awarded on November 16, 2022 based on the Company's average ROIC over the three-year performance period, with such percentage determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2025 received service credit for two-thirds of the performance period.

F7 · price: Represents distribution of Jacobs' common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108484 · ownership.xml · nonDerivative · entry 5

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,862

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 · kind: Represents distribution of Jacobs' common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to pursuant to the Jacobs Stock Incentive Plan.

F8 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 72.9% of the number of performance stock units originally awarded on November 16, 2022, based on the Company's EPS growth over the three-year performance period, with such percentages determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2025 received service credit for two-thirds of the performance period.

F7 · price: Represents distribution of Jacobs' common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108484 · ownership.xml · nonDerivative · entry 4

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,462

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 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on March 2, 2022 pursuant to the Jacobs Stock Incentive Plan.

F6 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 50.5% of the number of performance stock units originally awarded on March 2, 2022 based on the Company's average ROIC over the three-year performance period, with such percentage determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

F4 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on March 2, 2022 pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108484 · ownership.xml · nonDerivative · entry 3

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,655

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 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on March 2, 2022 pursuant to the Jacobs Stock Incentive Plan.

F5 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 63.2% of the number of performance stock units originally awarded on March 2, 2022, based on the Company's EPS growth over the three-year performance period, with such percentages determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

F4 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on March 2, 2022 pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108484 · ownership.xml · nonDerivative · entry 2

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,645

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 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

F3 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 50.5% of the number of performance stock units originally awarded on November 17, 2021 based on the Company's average return on invested capital ("ROIC") over the three-year performance period, with such percentage determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108484 · ownership.xml · nonDerivative · entry 1

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,307

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 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

F2 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 63.2% of the number of performance stock units originally awarded on November 17, 2021, based on the Company's earnings per share ("EPS") growth over the three-year performance period, with such percentages determined in accordance with the Employee Matters Agreement (the "EMA"), dated November 20, 2023, entered into by and between the issuer, Amazon Holdco Inc., and Amentum Parent Holdings LLC ("Amentum") in connection with the spin-off distribution of the issuer's Critical Mission Solutions and Cyber & Intelligence government services businesses and the merger of these businesses with Amentum (the "Transaction"). Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108476 · ownership.xml · derivative · entry 7

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,501 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_price: Each performance stock unit represented a contingent right to receive one share of Jacobs common stock.

F1 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

F3 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 50.5% of the number of performance stock units originally awarded on November 17, 2021 based on the Company's average return on invested capital (ROIC) over the three-year performance period, with such percentage determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

F7 · derivative.exercise_date: The performance stock units vested on September 18, 2024.

F7 · derivative.expiration_date: The performance stock units vested on September 18, 2024.

F3 · derivative.underlying_shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 50.5% of the number of performance stock units originally awarded on November 17, 2021 based on the Company's average return on invested capital (ROIC) over the three-year performance period, with such percentage determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

SEC source: 0000950170-24-108476 · ownership.xml · derivative · entry 6

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,646 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_price: Each performance stock unit represented a contingent right to receive one share of Jacobs common stock.

F1 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

F2 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 63.2% of the number of performance stock units originally awarded on November 17, 2021, based on the Company's earnings per share (EPS) growth over the three-year performance period, with such percentages determined in accordance with the Employee Matters Agreement (the "EMA"), dated November 20, 2023, entered into by and between the issuer, Amazon Holdco Inc., and Amentum Parent Holdings LLC ("Amentum") in connection with the spin-off distribution of the issuer's Critical Mission Solutions and Cyber & Intelligence government services businesses and the merger of these businesses with Amentum (the "Transaction"). Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

F7 · derivative.exercise_date: The performance stock units vested on September 18, 2024.

F7 · derivative.expiration_date: The performance stock units vested on September 18, 2024.

F2 · derivative.underlying_shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 63.2% of the number of performance stock units originally awarded on November 17, 2021, based on the Company's earnings per share (EPS) growth over the three-year performance period, with such percentages determined in accordance with the Employee Matters Agreement (the "EMA"), dated November 20, 2023, entered into by and between the issuer, Amazon Holdco Inc., and Amentum Parent Holdings LLC ("Amentum") in connection with the spin-off distribution of the issuer's Critical Mission Solutions and Cyber & Intelligence government services businesses and the merger of these businesses with Amentum (the "Transaction"). Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

SEC source: 0000950170-24-108476 · ownership.xml · nonDerivative · entry 4

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 527,826

F5 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding on distribution of Jacobs common stock upon vesting of performance stock units.

SEC source: 0000950170-24-108476 · ownership.xml · nonDerivative · entry 3

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 537,876

F4 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of restricted stock units pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108476 · ownership.xml · nonDerivative · entry 2

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 555,285

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 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

F3 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 50.5% of the number of performance stock units originally awarded on November 17, 2021 based on the Company's average return on invested capital (ROIC) over the three-year performance period, with such percentage determined in accordance with the EMA entered into by the issuer, Amazon Holdco Inc., and Amentum in connection with the Transaction. Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0000950170-24-108476 · ownership.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 542,784

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 · kind: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

F2 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 63.2% of the number of performance stock units originally awarded on November 17, 2021, based on the Company's earnings per share (EPS) growth over the three-year performance period, with such percentages determined in accordance with the Employee Matters Agreement (the "EMA"), dated November 20, 2023, entered into by and between the issuer, Amazon Holdco Inc., and Amentum Parent Holdings LLC ("Amentum") in connection with the spin-off distribution of the issuer's Critical Mission Solutions and Cyber & Intelligence government services businesses and the merger of these businesses with Amentum (the "Transaction"). Per the EMA, performance stock units scheduled to vest in November 2024 received service credit for the full performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 17, 2021 pursuant to the Jacobs Stock Incentive Plan.

SEC source: 0001415889-24-022699 · form4-09032024_090957.xml · derivative · entry 6

Thompson Christopher M.T. · CIK 0001483410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,500 shares

Expires 2026-03-01

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_date: Stock options are fully vested,

SEC source: 0001415889-24-022699 · form4-09032024_090957.xml · derivative · entry 5

Thompson Christopher M.T. · CIK 0001483410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,500 shares

Expires 2025-03-01

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_date: Stock options are fully vested,

SEC source: 0001415889-24-022699 · form4-09032024_090957.xml · nonDerivative · entry 4

Thompson Christopher M.T. · CIK 0001483410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,685

SEC source: 0001415889-24-022699 · form4-09032024_090957.xml · nonDerivative · entry 3

Thompson Christopher M.T. · CIK 0001483410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,569

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: 0001415889-24-022699 · form4-09032024_090957.xml · nonDerivative · entry 2

Thompson Christopher M.T. · CIK 0001483410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,069

SEC source: 0001415889-24-022699 · form4-09032024_090957.xml · nonDerivative · entry 1

Thompson Christopher M.T. · CIK 0001483410 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,083

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: 0001415889-24-022697 · form4-09032024_090939.xml · nonDerivative · entry 2

Gustafson Shelette M · CIK 0001667400 · EXEC VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,091

F1 · shares: This transaction involved a gift of securities by the reporting person to a charitable foundation.

SEC source: 0001415889-24-022697 · form4-09032024_090939.xml · nonDerivative · entry 1

Gustafson Shelette M · CIK 0001667400 · EXEC VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,564

SEC source: 0001415889-24-022696 · form4-09032024_090916.xml · derivative · entry 6

EBERHART RALPH E · CIK 0001409312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,500 shares

Expires 2026-03-01

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_date: Stock options are fully vested.

SEC source: 0001415889-24-022696 · form4-09032024_090916.xml · derivative · entry 5

EBERHART RALPH E · CIK 0001409312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,500 shares

Expires 2025-03-01

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_date: Stock options are fully vested.

SEC source: 0001415889-24-022696 · form4-09032024_090916.xml · nonDerivative · entry 4

EBERHART RALPH E · CIK 0001409312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,248

SEC source: 0001415889-24-022696 · form4-09032024_090916.xml · nonDerivative · entry 3

EBERHART RALPH E · CIK 0001409312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,136

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: 0001415889-24-022696 · form4-09032024_090916.xml · nonDerivative · entry 2

EBERHART RALPH E · CIK 0001409312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,636

SEC source: 0001415889-24-022696 · form4-09032024_090916.xml · nonDerivative · entry 1

EBERHART RALPH E · CIK 0001409312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,655

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: 0001415889-24-021710 · form4-08202024_090828.xml · nonDerivative · entry 1

ALLEN WILLIAM B JR · CIK 0001271016 · SENIOR VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,699

SEC source: 0001415889-24-020769 · form4-08052024_090855.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 527,138

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan, adopted by the Reporting Person on November 28, 2023.

SEC source: 0001415889-24-019470 · form4-07102024_090730.xml · nonDerivative · entry 1

Miller Shannon · CIK 0001949067 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,181

F1 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of restricted stock units pursuant to the Company's Stock Incentive Plan.

SEC source: 0001415889-24-019239 · form4-07032024_090732.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 534,138

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan, adopted by the Reporting Person on November 28, 2023.

SEC source: 0001415889-24-015618 · form4-06052024_090639.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 541,138

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan, adopted by the Reporting Person on November 28, 2023.

SEC source: 0001415889-24-015616 · form4-06052024_090645.xml · nonDerivative · entry 2

Nathamuni Venkatesh · CIK 0001924898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,697

F2 · shares: Represents the receipt of restricted stock units pursuant to the Company's Stock Incentive Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock. The restricted stock unit vests in four equal annual installments beginning on the first anniversary of grant date.

SEC source: 0001415889-24-015616 · form4-06052024_090645.xml · nonDerivative · entry 1

Nathamuni Venkatesh · CIK 0001924898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,624

F1 · shares: Represents receipt of restricted stock units pursuant to the Company's Stock Incentive Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock. The restricted stock units vest in two equal annual installments beginning on the first anniversary of grant date.

SEC source: 0001415889-24-014111 · form4-05222024_090541.xml · derivative · entry 4

ROBERTSON PETER J · CIK 0001020290 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,500 shares

Expires 2026-03-01

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_date: Stock options are fully vested.

SEC source: 0001415889-24-014111 · form4-05222024_090541.xml · derivative · entry 3

ROBERTSON PETER J · CIK 0001020290 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,500 shares

Expires 2025-03-01

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_date: Stock options are fully vested.

SEC source: 0001415889-24-014111 · form4-05222024_090541.xml · nonDerivative · entry 2

ROBERTSON PETER J · CIK 0001020290 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,583

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: 0001415889-24-014111 · form4-05222024_090541.xml · nonDerivative · entry 1

ROBERTSON PETER J · CIK 0001020290 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,083

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: 0001415889-24-012223 · form4-05032024_090523.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 548,138

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan, adopted by the Reporting Person on November 28, 2023.

SEC source: 0001415889-24-012039 · form4-05022024_090530.xml · nonDerivative · entry 1

Berryman Kevin C · CIK 0001462535 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 231,604

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2023.

SEC source: 0001415889-24-010134 · form4-04032024_090404.xml · nonDerivative · entry 1

Berryman Kevin C · CIK 0001462535 · CHIEF FINANCIAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 233,104

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 28, 2023.

SEC source: 0001415889-24-010117 · form4-04032024_090444.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 555,138

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 28, 2023.

SEC source: 0001415889-24-009593 · form4-04012024_090419.xml · nonDerivative · entry 1

Gustafson Shelette M · CIK 0001667400 · EXEC VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,731

F1 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of restricted stock units pursuant to the Company's Stock Incentive Plan.

SEC source: 0001415889-24-007691 · form4-03122024_090338.xml · nonDerivative · entry 1

PRAGADA ROBERT V · CIK 0001456921 · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 244,789

F1 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of restricted stock units pursuant to the Company's Stock Incentive Plan.

SEC source: 0001415889-24-007690 · form4-03122024_090332.xml · nonDerivative · entry 1

Hill Patrick · CIK 0001877747 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,233

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 8, 2023.

SEC source: 0001415889-24-006799 · form4-03052024_100335.xml · nonDerivative · entry 2

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,885

F1 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of restricted stock units pursuant to the Company's Stock Incentive Plan.

SEC source: 0001415889-24-006801 · form4-03052024_100313.xml · nonDerivative · entry 1

DEMETRIOU STEVEN J. · CIK 0001173003 · Director · EXECUTIVE CHAIR

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 562,138

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan, adopted by the Reporting Person on November 28, 2023.

SEC source: 0001415889-24-006799 · form4-03052024_100335.xml · nonDerivative · entry 1

Arnette Stephen A · CIK 0001919492 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,972

F1 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of restricted stock units pursuant to the Company's Stock Incentive Plan.

SEC source: 0001415889-24-004453 · form4-02202024_110213.xml · nonDerivative · entry 1

Gustafson Shelette M · CIK 0001667400 · EXEC VICE PRESIDENT

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,791

F1 · shares: The sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 8, 2023.