NSIT

SEC source: 0000950170-25-087953 · ownership.xml · derivative · entry 6

Burger Daniel · CIK 0001921053 · President INA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,422 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: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F4 · derivative.exercise_date: The restricted stock units were granted on June 15, 2022 with vesting to occur in three equal annual installments beginning June 15, 2023.

F4 · derivative.expiration_date: The restricted stock units were granted on June 15, 2022 with vesting to occur in three equal annual installments beginning June 15, 2023.

SEC source: 0000950170-25-087953 · ownership.xml · derivative · entry 5

Burger Daniel · CIK 0001921053 · President INA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,199 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: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F3 · derivative.exercise_date: The number of restricted stock units increases or decreases with the Company's performance against specific objectives defined in advance of the grant date, and the restricted stock units will vest in three equal annual installments beginning June 15, 2023.

F3 · derivative.expiration_date: The number of restricted stock units increases or decreases with the Company's performance against specific objectives defined in advance of the grant date, and the restricted stock units will vest in three equal annual installments beginning June 15, 2023.

SEC source: 0000950170-25-087953 · ownership.xml · nonDerivative · entry 4

Burger Daniel · CIK 0001921053 · President INA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,518

F1 · acquired: Insight Enterprises, Inc. has withheld the number of whole shares necessary to satisfy the minimum statutory tax withholding obligations. The value of the vested shares (and the taxable income) is calculated based on the closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date.

SEC source: 0000950170-25-087953 · ownership.xml · nonDerivative · entry 3

Burger Daniel · CIK 0001921053 · President INA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,165

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: 0000950170-25-087953 · ownership.xml · nonDerivative · entry 2

Burger Daniel · CIK 0001921053 · President INA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,743

F1 · acquired: Insight Enterprises, Inc. has withheld the number of whole shares necessary to satisfy the minimum statutory tax withholding obligations. The value of the vested shares (and the taxable income) is calculated based on the closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date.

SEC source: 0000950170-25-087953 · ownership.xml · nonDerivative · entry 1

Burger Daniel · CIK 0001921053 · President INA

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,289

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: 0001418812-25-000019 · primary_doc.xml · nonDerivative · entry 1

ValueAct Holdings, L.P. · CIK 0001418814 · 10% owner

ValueAct Capital Master Fund, L.P. · CIK 0001464912 · 10% owner

VA Partners I, LLC · CIK 0001418812 · 10% owner

ValueAct Capital Management, L.P. · CIK 0001351069 · 10% owner

ValueAct Capital Management, LLC · CIK 0001351073 · 10% owner

ValueAct Holdings II, L.P. · CIK 0001763309 · 10% owner

ValueAct Holdings GP, LLC · CIK 0001418813 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 2,861,739

F1 · kind: These shares were sold by ValueAct Capital Master Fund, L.P. to the Issuer in a private transaction pursuant to the Stock Repurchase Agreement between ValueAct Capital Master Fund, L.P. and the Issuer dated May 26, 2025.

F2 · ownership.nature: Each reporting person listed herein disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F3 · ownership.nature: The securities reported herein are directly beneficially owned by ValueAct Capital Master Fund, L.P. and may be deemed to be indirectly beneficially owned by (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P. , (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P. , (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the majority owner of the membership interests of VA Partners I, LLC, (v) ValueAct Holdings II, L.P. as the sole owner of the membership interests of ValueAct Capital Management, LLC and as the majority owner of the limited partnership interests of ValueAct Capital Management, L.P., and (vi) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. and ValueAct Holdings II, L.P.

SEC source: 0000950170-25-077052 · ownership.xml · derivative · entry 2

CROWN TIMOTHY A · CIK 0001008202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 640

Underlying: Common Stock · 320 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

F2 · derivative.expiration_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

SEC source: 0000950170-25-077052 · ownership.xml · nonDerivative · entry 1

CROWN TIMOTHY A · CIK 0001008202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,953

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: 0000950170-25-077046 · ownership.xml · derivative · entry 2

IBARGUEN ANTHONY · CIK 0001190946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 640

Underlying: Common Stock · 320 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

F2 · derivative.expiration_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

SEC source: 0000950170-25-077046 · ownership.xml · nonDerivative · entry 1

IBARGUEN ANTHONY · CIK 0001190946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,981

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

SEC source: 0000950170-25-077038 · ownership.xml · derivative · entry 2

ALLEN RICHARD E · CIK 0001247582 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 640

Underlying: Common Stock · 320 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

F2 · derivative.expiration_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

SEC source: 0000950170-25-077038 · ownership.xml · nonDerivative · entry 1

ALLEN RICHARD E · CIK 0001247582 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 26,413

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: 0000950170-25-077022 · ownership.xml · derivative · entry 2

COURAGE CATHERINE · CIK 0001559988 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 640

Underlying: Common Stock · 320 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

F2 · derivative.expiration_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

SEC source: 0000950170-25-077022 · ownership.xml · nonDerivative · entry 1

COURAGE CATHERINE · CIK 0001559988 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,749

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: 0000950170-25-077006 · ownership.xml · derivative · entry 2

Armstrong Bruce · CIK 0001317768 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 640

Underlying: Common Stock · 320 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

F2 · derivative.expiration_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

SEC source: 0000950170-25-077006 · ownership.xml · nonDerivative · entry 1

Armstrong Bruce · CIK 0001317768 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 13,956

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: 0000950170-25-077003 · ownership.xml · derivative · entry 2

Rishi Girish D · CIK 0001578454 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 640

Underlying: Common Stock · 320 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

F2 · derivative.expiration_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

SEC source: 0000950170-25-077003 · ownership.xml · nonDerivative · entry 1

Rishi Girish D · CIK 0001578454 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 12,350

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: 0000950170-25-076989 · ownership.xml · derivative · entry 2

Breard Linda M. · CIK 0001510492 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 640

Underlying: Common Stock · 320 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

F2 · derivative.expiration_date: The restricted stock units were granted on May 21, 2024 with vesting to occur in three equal annual installments beginning May 21, 2025.

SEC source: 0000950170-25-076989 · ownership.xml · nonDerivative · entry 1

Breard Linda M. · CIK 0001510492 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,924

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: 0000950170-25-075268 · ownership.xml · derivative · entry 4

CROWN TIMOTHY A · CIK 0001008202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 513 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F3 · derivative.exercise_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

F3 · derivative.expiration_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

SEC source: 0000950170-25-075268 · ownership.xml · nonDerivative · entry 2

CROWN TIMOTHY A · CIK 0001008202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,633

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: 0000950170-25-075257 · ownership.xml · derivative · entry 4

Breard Linda M. · CIK 0001510492 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 513 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F3 · derivative.exercise_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

F3 · derivative.expiration_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

SEC source: 0000950170-25-075257 · ownership.xml · nonDerivative · entry 2

Breard Linda M. · CIK 0001510492 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,604

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: 0000950170-25-075246 · ownership.xml · derivative · entry 4

COURAGE CATHERINE · CIK 0001559988 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 513 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F3 · derivative.exercise_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

F3 · derivative.expiration_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

SEC source: 0000950170-25-075246 · ownership.xml · nonDerivative · entry 2

COURAGE CATHERINE · CIK 0001559988 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,429

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: 0000950170-25-075240 · ownership.xml · derivative · entry 4

IBARGUEN ANTHONY · CIK 0001190946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 513 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F3 · derivative.exercise_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

F3 · derivative.expiration_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

SEC source: 0000950170-25-075240 · ownership.xml · nonDerivative · entry 2

IBARGUEN ANTHONY · CIK 0001190946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,661

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: 0000950170-25-075221 · ownership.xml · derivative · entry 4

Rishi Girish D · CIK 0001578454 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Common Stock · 513 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F3 · derivative.exercise_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

F3 · derivative.expiration_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

SEC source: 0000950170-25-075221 · ownership.xml · nonDerivative · entry 2

Rishi Girish D · CIK 0001578454 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 12,030

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: 0000950170-25-075211 · ownership.xml · derivative · entry 4

ALLEN RICHARD E · CIK 0001247582 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Common Stock · 513 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F3 · derivative.exercise_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

F3 · derivative.expiration_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

SEC source: 0000950170-25-075211 · ownership.xml · nonDerivative · entry 2

ALLEN RICHARD E · CIK 0001247582 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 26,093

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: 0000950170-25-075206 · ownership.xml · derivative · entry 4

Armstrong Bruce · CIK 0001317768 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 0

Underlying: Common Stock · 513 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F3 · derivative.exercise_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

F3 · derivative.expiration_date: The restricted stock units were granted on May 18, 2022, with vesting to occur in three equal annual installments beginning May 18, 2023.

SEC source: 0000950170-25-075206 · ownership.xml · nonDerivative · entry 2

Armstrong Bruce · CIK 0001317768 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 13,636

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: 0000950170-25-075268 · ownership.xml · derivative · entry 3

CROWN TIMOTHY A · CIK 0001008202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405

Underlying: Common Stock · 405 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

F2 · derivative.expiration_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

SEC source: 0000950170-25-075268 · ownership.xml · nonDerivative · entry 1

CROWN TIMOTHY A · CIK 0001008202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,120

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: 0000950170-25-075257 · ownership.xml · derivative · entry 3

Breard Linda M. · CIK 0001510492 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405

Underlying: Common Stock · 405 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

F2 · derivative.expiration_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

SEC source: 0000950170-25-075257 · ownership.xml · nonDerivative · entry 1

Breard Linda M. · CIK 0001510492 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,091

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: 0000950170-25-075246 · ownership.xml · derivative · entry 3

COURAGE CATHERINE · CIK 0001559988 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405

Underlying: Common Stock · 405 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

F2 · derivative.expiration_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

SEC source: 0000950170-25-075246 · ownership.xml · nonDerivative · entry 1

COURAGE CATHERINE · CIK 0001559988 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,916

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

SEC source: 0000950170-25-075240 · ownership.xml · derivative · entry 3

IBARGUEN ANTHONY · CIK 0001190946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 405

Underlying: Common Stock · 405 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

F2 · derivative.expiration_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

SEC source: 0000950170-25-075240 · ownership.xml · nonDerivative · entry 1

IBARGUEN ANTHONY · CIK 0001190946 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,148

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: 0000950170-25-075221 · ownership.xml · derivative · entry 3

Rishi Girish D · CIK 0001578454 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 405

Underlying: Common Stock · 405 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

F2 · derivative.expiration_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

SEC source: 0000950170-25-075221 · ownership.xml · nonDerivative · entry 1

Rishi Girish D · CIK 0001578454 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 11,517

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: 0000950170-25-075211 · ownership.xml · derivative · entry 3

ALLEN RICHARD E · CIK 0001247582 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 405

Underlying: Common Stock · 405 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

F2 · derivative.expiration_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

SEC source: 0000950170-25-075211 · ownership.xml · nonDerivative · entry 1

ALLEN RICHARD E · CIK 0001247582 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 25,580

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: 0000950170-25-075206 · ownership.xml · derivative · entry 3

Armstrong Bruce · CIK 0001317768 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 405

Underlying: Common Stock · 405 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.

F1 · security: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

F2 · derivative.expiration_date: The restricted stock units were granted on May 17, 2023, with vesting to occur in three equal annual installments beginning May 17, 2024.

SEC source: 0000950170-25-075206 · ownership.xml · nonDerivative · entry 1

Armstrong Bruce · CIK 0001317768 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 13,123

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: 0000950170-25-072915 · ownership.xml · derivative · entry 1

CROWN TIMOTHY A · CIK 0001008202 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,445

Underlying: Common Stock · 1,445 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.

F2 · derivative.exercise_date: The restricted stock units were granted on May 13, 2025, with vesting to occur in three equal annual installments beginning May 13, 2026.

F2 · derivative.expiration_date: The restricted stock units were granted on May 13, 2025, with vesting to occur in three equal annual installments beginning May 13, 2026.