Samuel C. Cowley - 20 Feb 2026 Form 4 Insider Report for INSIGHT ENTERPRISES INC (NSIT)

Signature
Lisanne Steinheiser, by Power of Attorney, for Samuel C. Cowley
Issuer symbol
NSIT
Transactions as of
20 Feb 2026
Net transactions value
-$138,510
Form type
4
Filing time
24 Feb 2026, 16:34:03 UTC
Previous filing
24 Feb 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cowley Samuel C Gen'l Counsel & Secretary 2701 E INSIGHT WAY, CHANDLER Lisanne Steinheiser, by Power of Attorney, for Samuel C. Cowley 24 Feb 2026 0001322195

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NSIT Common Stock Options Exercise $0 +766 +2.7% $0.000000 29,318 20 Feb 2026 Direct
transaction NSIT Common Stock Tax liability $21,546 -252 -0.86% $85.50 29,066 20 Feb 2026 Direct F1
transaction NSIT Common Stock Options Exercise $0 +1,021 +3.5% $0.000000 30,087 20 Feb 2026 Direct
transaction NSIT Common Stock Tax liability $24,282 -284 -0.94% $85.50 29,803 20 Feb 2026 Direct F1
transaction NSIT Common Stock Options Exercise $0 +630 +2.1% $0.000000 30,433 20 Feb 2026 Direct
transaction NSIT Common Stock Tax liability $14,792 -173 -0.57% $85.50 30,260 20 Feb 2026 Direct F1
transaction NSIT Common Stock Options Exercise $0 +840 +2.8% $0.000000 31,100 20 Feb 2026 Direct
transaction NSIT Common Stock Tax liability $19,922 -233 -0.75% $85.50 30,867 20 Feb 2026 Direct F1
transaction NSIT Common Stock Options Exercise $0 +633 +2.1% $0.000000 31,500 20 Feb 2026 Direct
transaction NSIT Common Stock Tax liability $17,870 -209 -0.66% $85.50 31,291 20 Feb 2026 Direct F1
transaction NSIT Common Stock Options Exercise $0 +1,687 +5.4% $0.000000 32,978 20 Feb 2026 Direct
transaction NSIT Common Stock Tax liability $40,100 -469 -1.4% $85.50 32,509 20 Feb 2026 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NSIT Restricted Stock Units Options Exercise $0 -766 -100% $0.000000 0 20 Feb 2026 Common Stock 766 Direct F2, F3
transaction NSIT Restricted Stock Units Options Exercise $0 -1,021 -100% $0.000000 0 20 Feb 2026 Common Stock 1,021 Direct F2, F4
transaction NSIT Restricted Stock Units Options Exercise $0 -630 -50% $0.000000 629 20 Feb 2026 Common Stock 630 Direct F2, F5
transaction NSIT Restricted Stock Units Options Exercise $0 -840 -50% $0.000000 839 20 Feb 2026 Common Stock 840 Direct F2, F6
transaction NSIT Restricted Stock Units Options Exercise $0 -633 -50% $0.000000 633 20 Feb 2026 Common Stock 633 Direct F2, F7
transaction NSIT Restricted Stock Units Options Exercise $0 -1,687 -50% $0.000000 1,687 20 Feb 2026 Common Stock 1,687 Direct F2, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc.
F3 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 February 20, 2024.
F4 The restricted stock units were granted on February 20, 2023 with vesting to occur in three equal annual installments beginning February 20, 2024.
F5 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 February 20, 2025.
F6 The restricted stock units were granted on February 20, 2024 with vesting to occur in three equal annual installments beginning February 20, 2025.
F7 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 two equal annual installments beginning February 20, 2026.
F8 The restricted stock units were granted on February 20, 2025 with vesting to occur in two equal annual installments beginning February 20, 2026.