WESCO (WCC) EVP granted RSUs and options; shares withheld to cover taxes

Rhea-AI Filing Summary

WESCO International EVP & CHRO Christine Ann Wolf reported stock-based compensation activity. On March 2, 2026, she received a grant of 2,216 stock options with an exercise price of $0.00, which become exercisable in three equal annual installments beginning on the first anniversary of the grant date.

She also received a grant of 930 restricted stock units (RSUs), each representing one share of common stock, vesting in three equal installments beginning on the first anniversary of the grant date. On March 1, 2026, 403.814 shares of common stock at $289.50 per share were disposed of to cover tax withholding upon vesting of RSUs granted on March 1, 2024 and March 1, 2025, leaving 29,480.5363 common shares owned directly after that transaction and 30,410.5363 shares owned directly after the March 2 grant.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Wolf Christine Ann

Role EVP & CHRO

Type	Security	Shares	Price	Value
Grant/Award	Stock Options (Right to Buy)	2,216	$0.00	--
Grant/Award	Common Stock	930	$0.00	--
Tax Withholding	Common Stock	403.814	$289.50	$117K

Holdings After Transaction: Stock Options (Right to Buy) — 2,216 shares (Direct); Common Stock — 30,410.536 shares (Direct)

Footnotes (1)

1. Represents tax withholding on the vesting of restricted stock units ("RSU") that were granted on 03/01/2024 and 03/01/2025. 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. The stock options become exercisable in three equal annual installments beginning on the first anniversary of the date of grant.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wolf Christine Ann

(Last) (First) (Middle)

225 WEST STATION SQUARE DRIVE

SUITE 700

(Street)

PITTSBURGH PA 15219

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESCO INTERNATIONAL INC [ WCC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & CHRO

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/01/2026		F		403.814(1)	D	$289.5	29,480.5363	D
Common Stock	03/02/2026		A		930(2)	A	$0	30,410.5363	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (Right to Buy)	$295.84	03/02/2026		A		2,216		(3)	03/02/2036	Common Stock	2,216	$0	2,216	D

Explanation of Responses:

1. Represents tax withholding on the vesting of restricted stock units ("RSU") that were granted on 03/01/2024 and 03/01/2025.

2. 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.

3. The stock options become exercisable in three equal annual installments beginning on the first anniversary of the date of grant.

	/s/ Michele Nelson, as Attorney-in-Fact	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did WESCO (WCC) EVP Christine Ann Wolf report?

Christine Ann Wolf reported a grant of 2,216 stock options and 930 restricted stock units, plus a 403.814-share disposition for tax withholding. These transactions reflect equity compensation and related tax settlement rather than open‑market buying or selling of WESCO common stock.

How many WESCO (WCC) stock options did Christine Ann Wolf receive and when do they vest?

She received 2,216 stock options at an exercise price of $0.00 per share. The options become exercisable in three equal annual installments, beginning on the first anniversary of the March 2, 2026 grant date, providing a multi‑year incentive tied to continued service.

What are the terms of the RSU grant reported by WESCO (WCC) EVP Christine Ann Wolf?

She was granted 930 restricted stock units, each representing a contingent right to one WESCO common share. The RSUs vest in three equal installments starting on the first anniversary of the grant date, aligning equity delivery with a three‑year service period for the executive.

Why did Christine Ann Wolf dispose of 403.814 WESCO (WCC) shares on March 1, 2026?

The 403.814 shares were withheld at $289.50 per share to cover tax obligations on vesting RSUs. Those RSUs were originally granted on March 1, 2024 and March 1, 2025, making this a tax‑withholding disposition rather than an open‑market sale by the executive.

How many WESCO (WCC) shares did Christine Ann Wolf own after these transactions?

After the March 1, 2026 tax-withholding disposition, she directly owned 29,480.5363 common shares. Following the March 2, 2026 grant of 930 RSUs, her direct ownership reported increased to 30,410.5363 shares, reflecting the additional stock-based compensation awarded.

Are Christine Ann Wolf’s WESCO (WCC) transactions open-market purchases or sales?

The reported transactions are equity compensation related, not open-market trades. They include grants of stock options and restricted stock units, plus a share disposition classified as payment of tax liability by delivering securities upon RSU vesting, rather than discretionary buying or selling.