JOHN ENGEL - 30 Sep 2025 Form 4 Insider Report for WESCO INTERNATIONAL INC (WCC)

Role: Chairman, President & CEO
Signature: /s/ Michele Nelson, as Attorney-in-Fact
Issuer symbol: WCC
Transactions as of: 30 Sep 2025
Net transactions value: $0
Form type: 4
Filing time: 02 Oct 2025, 16:32:25 UTC
Previous filing: 28 Aug 2025
Next filing: 11 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
ENGEL JOHN	Chairman, President & CEO	225 WEST STATION SQUARE DRIVE, SUITE 700, PITTSBURGH	/s/ Michele Nelson, as Attorney-in-Fact	02 Oct 2025	0001278669

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WCC	Common Stock	Award	$0	+56	+0.01%	$0.000000	476,027	30 Sep 2025	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Represents dividend equivalent rights ("DERs") in connection with the Issuer's quarterly dividend and accrued to the Reporting Person on restricted stock units ("RSUs") held by the Reporting Person. Each DER is the economic equivalent of one share of Issuer's common stock and vests on the same schedule as the underlying award.