Matthew S. Kulasa - 01 Mar 2025 Form 4 Insider Report for WESCO INTERNATIONAL INC (WCC)

Role: SVP, Corp. Controller & CAO
Signature: /s/ Michele Nelson, as Attorney-in-Fact
Issuer symbol: WCC
Transactions as of: 01 Mar 2025
Net transactions value: -$15,159
Form type: 4
Filing time: 04 Mar 2025, 18:08:49 UTC
Previous filing: 18 Feb 2025
Next filing: 02 Apr 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WCC	Common Stock	Tax liability	$15,159	-84	-2.3%	$180.47	3,618	01 Mar 2025	Direct	F1
transaction	WCC	Common Stock	Award	$0	+485	+13%	$0.000000	4,103	01 Mar 2025	Direct	F2

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	WCC	Stock Options (Right to Buy)	Award	$0	+1,142		$0.000000	1,142	01 Mar 2025	Common Stock	1,142	$180.47	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents tax withholding on the vesting of restricted stock units ("RSU") that were granted on 03/01/2024.
F2	Represents a grant of RSUs. Each RSU represents a contingent right to acquire one share of Issuer's common stock. The RSUs vest in three equal installments beginning on the first anniversary of the date of grant.
F3	The stock options become exercisable in three equal annual installments beginning on the first anniversary of the date of grant.