Nelson John Squires III - Sep 9, 2025 Form 4 Insider Report for WESCO INTERNATIONAL INC (WCC)

Role
Retiring EVP & GM, EES
Signature
/s/ Michele Nelson, as Attorney-in-Fact
Stock symbol
WCC
Transactions as of
Sep 9, 2025
Transactions value $
-$5,281,141
Form type
4
Date filed
9/11/2025, 04:47 PM
Previous filing
Aug 15, 2025
Next filing
Oct 2, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Squires Nelson John III Retiring EVP & GM, EES 225 WEST STATION SQUARE DRIVE, SUITE 700, PITTSBURGH /s/ Michele Nelson, as Attorney-in-Fact 2025-09-11 0001790020

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WCC Common Stock Options Exercise $1.05M +21.6K +44.51% $48.32 70.3K Sep 9, 2025 Direct
transaction WCC Common Stock Disposed to Issuer -$1.05M -4.92K -7% $212.64 65.4K Sep 9, 2025 Direct
transaction WCC Common Stock Tax liability -$1.55M -7.27K -11.13% $212.64 58.1K Sep 9, 2025 Direct
transaction WCC Common Stock Options Exercise $563K +10.3K +17.75% $54.64 68.4K Sep 9, 2025 Direct
transaction WCC Common Stock Disposed to Issuer -$563K -2.65K -3.87% $212.64 65.7K Sep 9, 2025 Direct
transaction WCC Common Stock Tax liability -$708K -3.33K -5.07% $212.64 62.4K Sep 9, 2025 Direct
transaction WCC Common Stock Sale -$3.03M -13.8K -22.08% $219.59 48.6K Sep 11, 2025 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 WCC Stock Appreciation Rights Options Exercise $0 -21.6K -100% $0.00 0 Sep 9, 2025 Common Stock 21.6K $48.32 Direct F2
transaction WCC Stock Appreciation Rights Options Exercise $0 -10.3K -100% $0.00 0 Sep 9, 2025 Common Stock 10.3K $54.64 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $219.31 to $219.94. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.
F2 The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 13,2020 grant date.
F3 The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 13, 2019 grant date.