J

SEC source: 0001877747-26-000003 · form4-08112026_110850.xml · nonDerivative · entry 2

Hill Patrick · CIK 0001877747 · PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,356

SEC source: 0001877747-26-000003 · form4-08112026_110850.xml · nonDerivative · entry 1

Hill Patrick · CIK 0001877747 · PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,856

SEC source: 0001949067-26-000005 · form4-07102026_090700.xml · nonDerivative · entry 1

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,292

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: 0002139084-26-000004 · form4-06102026_090650.xml · nonDerivative · entry 1

Kachhela Jiten · CIK 0002139084 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,970

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: 0001924898-26-000007 · form4-06052026_090611.xml · nonDerivative · entry 1

Nathamuni Venkatesh · CIK 0001924898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,791

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: 0001942478-26-000008 · form4-05222026_090503.xml · nonDerivative · entry 1

Lim Cheryl H.J. · CIK 0001942478 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,585

F1 · 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 units vest in four equal annual installments beginning on the first anniversary of grant date.

SEC source: 0001456921-26-000002 · form4-05182026_060501.xml · nonDerivative · entry 1

PRAGADA ROBERT V · CIK 0001456921 · Director · Chair & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 333,755

F1 · price: This transaction was executed in multiple trades at prices ranging from $111.01 to $111.09. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001825457-26-000007 · form4-05142026_090534.xml · nonDerivative · entry 1

Fernandez Manuel J · CIK 0001825457 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,504

SEC source: 0001825457-26-000005 · form4-05122026_090547.xml · nonDerivative · entry 1

Fernandez Manuel J · CIK 0001825457 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,251

SEC source: 0001949067-26-000003 · form4-03102026_090307.xml · nonDerivative · entry 1

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,344

SEC source: 0001739876-26-000002 · form4-02022026_100209.xml · nonDerivative · entry 1

Kiser Georgette D. · CIK 0001739876 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,958

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001825457-26-000002 · form4-02022026_100227.xml · nonDerivative · entry 1

Fernandez Manuel J · CIK 0001825457 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,848

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001893670-26-000002 · form4-02022026_100229.xml · nonDerivative · entry 1

Abani Priya · CIK 0001893670 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,728

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001856953-26-000002 · form4-02022026_100247.xml · nonDerivative · entry 1

Jackson Mary M. · CIK 0001856953 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,185

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001560596-26-000002 · form4-02022026_100203.xml · nonDerivative · entry 1

Pinkham Louis V. · CIK 0001560596 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,620

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001194760-26-000004 · form4-02022026_100231.xml · nonDerivative · entry 1

MCNAMARA ROBERT A · CIK 0001194760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,603

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001643029-26-000002 · form4-02022026_100217.xml · nonDerivative · entry 1

SLOAT JULIA A · CIK 0001643029 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,620

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001687544-26-000002 · form4-02022026_100216.xml · nonDerivative · entry 1

Bryant Diane M · CIK 0001687544 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,636

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001592244-26-000002 · form4-02022026_100222.xml · nonDerivative · entry 1

Collins Michael · CIK 0001592244 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,200

F1 · shares: Represents the receipt of restricted stock units pursuant to the Company's Outside Director Stock Plan. Each restricted stock unit represents the right to receive one share of Jacobs common stock at the time of vesting. The restricted stock units will become 100% vested on the first to occur of the following (i) the one-year anniversary of the award date or (ii) the date of the Company's 2027 annual shareholder meeting occurring after December 31, 2026, provided that Director remains a director of the Company continuously through such vesting date.

SEC source: 0001271016-25-000006 · form4-12032025_101208.xml · nonDerivative · entry 2

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,768

F2 · 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: 0001271016-25-000006 · form4-12032025_101208.xml · nonDerivative · entry 1

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,874

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 on the first anniversary of grant date.

SEC source: 0001949067-25-000006 · form4-12032025_101244.xml · nonDerivative · entry 2

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,784

F2 · 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: 0001949067-25-000006 · form4-12032025_101244.xml · nonDerivative · entry 1

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,876

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 on the first anniversary of grant date.

SEC source: 0001725181-25-000006 · form4-12032025_101237.xml · nonDerivative · entry 2

Zaccaro Joanne Caruso · CIK 0001725181 · Chief Legal & Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,870

F2 · 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: 0001725181-25-000006 · form4-12032025_101237.xml · nonDerivative · entry 1

Zaccaro Joanne Caruso · CIK 0001725181 · Chief Legal & Admin Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,346

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 on the first anniversary of grant date.

SEC source: 0001877747-25-000005 · form4-12032025_101207.xml · nonDerivative · entry 1

Hill Patrick · CIK 0001877747 · PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,557

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 full on the first anniversary of grant date.

SEC source: 0001924898-25-000007 · form4-12032025_101249.xml · nonDerivative · entry 1

Nathamuni Venkatesh · CIK 0001924898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,594

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 on the first anniversary of grant date.

SEC source: 0001456921-25-000006 · form4-12032025_101251.xml · nonDerivative · entry 2

PRAGADA ROBERT V · CIK 0001456921 · Director · Chair & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 330,154

F2 · 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: 0001456921-25-000006 · form4-12032025_101251.xml · nonDerivative · entry 1

PRAGADA ROBERT V · CIK 0001456921 · Director · Chair & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 330,701

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 on the first anniversary of grant date.

SEC source: 0001020290-25-000004 · form4-11262025_121152.xml · nonDerivative · entry 1

ROBERTSON PETER J · CIK 0001020290 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 1,000

F1 · ownership.nature: Shares held in family trust.

SEC source: 0001924898-25-000006 · form4-11252025_111124.xml · nonDerivative · entry 1

Nathamuni Venkatesh · CIK 0001924898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,785

SEC source: 0001825457-25-000004 · form4-11252025_111147.xml · nonDerivative · entry 1

Fernandez Manuel J · CIK 0001825457 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,380

SEC source: 0001456921-25-000005 · form4-11202025_121136.xml · nonDerivative · entry 6

PRAGADA ROBERT V · CIK 0001456921 · Director · Chair & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 328,276

F6 · 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: 0001949067-25-000005 · form4-11202025_121154.xml · derivative · entry 8

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,222 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.

F7 · 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 16, 2022 pursuant to the Company's Stock Incentive Plan.

F4 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 156.9% of the number of performance stock units initially awarded, with such percentage based on the Company's average return on invested capital (ROIC) over the three-year performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to the Company's Stock Incentive Plan.

F8 · derivative.exercise_date: The performance stock units vested on November 17, 2025

F8 · derivative.expiration_date: The performance stock units vested on November 17, 2025

F4 · 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 156.9% of the number of performance stock units initially awarded, with such percentage based on the Company's average return on invested capital (ROIC) over the three-year performance period.

SEC source: 0001949067-25-000005 · form4-11202025_121154.xml · derivative · entry 7

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,198 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.

F7 · 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 16, 2022 pursuant to the Company's 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 84.6% of the number of performance stock units initially awarded, with such percentage based on the Company's average adjusted earnings per share (EPS) over the three-year performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to the Company's Stock Incentive Plan.

F8 · derivative.exercise_date: The performance stock units vested on November 17, 2025

F8 · derivative.expiration_date: The performance stock units vested on November 17, 2025

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 84.6% of the number of performance stock units initially awarded, with such percentage based on the Company's average adjusted earnings per share (EPS) over the three-year performance period.

SEC source: 0001949067-25-000005 · form4-11202025_121154.xml · nonDerivative · entry 6

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,217

F6 · 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: 0001949067-25-000005 · form4-11202025_121154.xml · nonDerivative · entry 5

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,631

F5 · 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: 0001949067-25-000005 · form4-11202025_121154.xml · nonDerivative · entry 4

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,676

F3 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of performance stock units.

SEC source: 0001949067-25-000005 · form4-11202025_121154.xml · nonDerivative · entry 3

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,218

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 16, 2022 pursuant to the Company's Stock Incentive Plan.

F4 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 156.9% of the number of performance stock units initially awarded, with such percentage based on the Company's average return on invested capital (ROIC) over the three-year performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to the Company's Stock Incentive Plan.

SEC source: 0001949067-25-000005 · form4-11202025_121154.xml · nonDerivative · entry 2

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,996

F3 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of performance stock units.

SEC source: 0001949067-25-000005 · form4-11202025_121154.xml · nonDerivative · entry 1

Miller Shannon · CIK 0001949067 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,288

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 16, 2022 pursuant to the Company's 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 84.6% of the number of performance stock units initially awarded, with such percentage based on the Company's average adjusted earnings per share (EPS) over the three-year performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to the Company's Stock Incentive Plan.

SEC source: 0001924898-25-000005 · form4-11202025_121139.xml · nonDerivative · entry 1

Nathamuni Venkatesh · CIK 0001924898 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,035

F1 · 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: 0001271016-25-000005 · form4-11202025_121127.xml · derivative · entry 8

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,889 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.

F7 · 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 16, 2022 pursuant to the Company's Stock Incentive Plan.

F4 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 156.9% of the number of performance stock units initially awarded, with such percentage based on the Company's average return on invested capital (ROIC) over the three-year performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to the Company's Stock Incentive Plan.

F8 · derivative.exercise_date: The performance stock units vested on November 17, 2025.

F8 · derivative.expiration_date: The performance stock units vested on November 17, 2025.

F4 · 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 156.9% of the number of performance stock units initially awarded, with such percentage based on the Company's average return on invested capital (ROIC) over the three-year performance period.

SEC source: 0001271016-25-000005 · form4-11202025_121127.xml · derivative · entry 7

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,019 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.

F7 · 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 16, 2022 pursuant to the Company's 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 84.6% of the number of performance stock units initially awarded, with such percentage based on the Company's average adjusted earnings per share (EPS) over the three-year performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to the Company's Stock Incentive Plan.

F8 · derivative.exercise_date: The performance stock units vested on November 17, 2025.

F8 · derivative.expiration_date: The performance stock units vested on November 17, 2025.

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 84.6% of the number of performance stock units initially awarded, with such percentage based on the Company's average adjusted earnings per share (EPS) over the three-year performance period.

SEC source: 0001271016-25-000005 · form4-11202025_121127.xml · nonDerivative · entry 6

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,418

F6 · 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: 0001271016-25-000005 · form4-11202025_121127.xml · nonDerivative · entry 5

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,089

F5 · 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: 0001271016-25-000005 · form4-11202025_121127.xml · nonDerivative · entry 4

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,174

F3 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of performance stock units.

SEC source: 0001271016-25-000005 · form4-11202025_121127.xml · nonDerivative · entry 3

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,634

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 16, 2022 pursuant to the Company's Stock Incentive Plan.

F4 · shares: The number of performance stock units that vested, and therefore the number of shares of Jacobs common stock issued upon vesting, represents 156.9% of the number of performance stock units initially awarded, with such percentage based on the Company's average return on invested capital (ROIC) over the three-year performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to the Company's Stock Incentive Plan.

SEC source: 0001271016-25-000005 · form4-11202025_121127.xml · nonDerivative · entry 2

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,745

F3 · shares: Represents number of shares of Jacobs common stock tendered for tax withholding upon vesting of performance stock units.

SEC source: 0001271016-25-000005 · form4-11202025_121127.xml · nonDerivative · entry 1

ALLEN WILLIAM B JR · CIK 0001271016 · EXECUTIVE VICE PRESIDENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,994

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 16, 2022 pursuant to the Company's 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 84.6% of the number of performance stock units initially awarded, with such percentage based on the Company's average adjusted earnings per share (EPS) over the three-year performance period.

F1 · price: Represents distribution of Jacobs common stock upon vesting of performance stock units awarded on November 16, 2022 pursuant to the Company's Stock Incentive Plan.