Diane Lazzaris - 04 Nov 2025 Form 4 Insider Report for WESCO INTERNATIONAL INC (WCC)

Role
EVP and General Counsel
Signature
/s/ Michele Nelson, as Attorney-in-Fact
Issuer symbol
WCC
Transactions as of
04 Nov 2025
Transactions value $
-$2,476,236
Form type
4
Filing time
06 Nov 2025, 17:28:28 UTC
Previous filing
02 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lazzaris Diane EVP and General Counsel 225 WEST STATION SQUARE DRIVE, SUITE 700, PITTSBURGH /s/ Michele Nelson, as Attorney-in-Fact 06 Nov 2025 0001428491

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WCC Common Stock Sale -$1.32M -5.17K -9.77% $255.85 47.8K 04 Nov 2025 Direct F1
transaction WCC Common Stock Sale -$602K -2.35K -4.92% $256.32 45.4K 04 Nov 2025 Direct F2
transaction WCC Common Stock Options Exercise $493K +4.04K +8.9% $122.09 49.4K 05 Nov 2025 Direct
transaction WCC Common Stock Sale -$992K -3.84K -7.76% $258.40 45.6K 05 Nov 2025 Direct F3
transaction WCC Common Stock Sale -$51.8K -200 -0.44% $258.76 45.4K 05 Nov 2025 Direct F4

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) Options Exercise $0 -4.04K -100% $0.00 0 05 Nov 2025 Common Stock 4.04K $122.09 Direct F5
* 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 $255.11 - $256.09. 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 Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $256.22 - $256.52. 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.
F3 Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $257.68 - $258.61. 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.
F4 Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $258.69 - $258.81. 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.
F5 The stock options became exercisable in three equal annual installments beginning on the first anniversary of the February 17, 2022 grant date.