Diane Lazzaris - 02 Jul 2021 Form 4 Insider Report for WESCO INTERNATIONAL INC (WCC)

Role: EVP and General Counsel
Signature: /s/ Diane E. Lazzaris
Issuer symbol: WCC
Transactions as of: 02 Jul 2021
Net transactions value: -$420,562
Form type: 4
Filing time: 07 Jul 2021, 17:04:11 UTC
Previous filing: 17 May 2021
Next filing: 27 Aug 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WCC	Common Stock	Options Exercise	$0	+9,322	+48%	$0.000000	28,580	02 Jul 2021	Direct	F1
transaction	WCC	Common Stock	Tax liability	$420,562	-4,054	-14%	$103.74	24,526	02 Jul 2021	Direct

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	Restricted Stock Units	Options Exercise	$0	-9,322	-30%	$0.000000	21,753	02 Jul 2021	Common Stock	9,322		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") represents a contingent right to acquire one share of Issuer's common stock.
F2	On July 2, 2020, the Reporting Person was granted 31,075 RSUs that vest as follows: 30% on each of the first and second anniversaries of the grant date and 40% on the third anniversary of the grant date.