WESCO director reports RSU grant and tax withholding

WESCO International director Laura K. Thompson reported routine equity compensation activity.

Rhea-AI Filing Summary

WESCO International director Laura K. Thompson reported routine equity compensation activity. On the reported date, she acquired 659 shares of common stock through a grant of restricted stock units (RSUs) at no cash price, increasing her direct holdings to 10,984.2956 shares.

The filing also shows a small disposition of 6.6367 shares at a price of 289.5000 per share. A footnote explains this was tax withholding on the vesting of RSUs that were originally granted on 03/01/2025, rather than an open-market sale.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Thompson Laura K

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	659	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	6.6367	$289.50	$2K

Holdings After Transaction: Common Stock — 10,984.2956 shares (Direct)

Footnotes (2)

1. F1. Represents tax withholding on the vesting of restricted stock units ("RSU") that were granted on 03/01/2025.
2. F2. Represents a grant of RSUs. Each RSU represents a contingent right to acquire one share of Issuer's common stock. The RSUs vest in full on the first anniversary of the date of grant.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did WESCO (WCC) director Laura Thompson report?

Laura Thompson reported a grant of 659 WESCO common shares via restricted stock units and a small 6.6367-share tax-withholding disposition. Both transactions involve equity compensation rather than open-market buying or selling of WESCO stock.

How many WESCO (WCC) shares did Laura Thompson receive in the latest RSU grant?

Laura Thompson received a grant of 659 restricted stock units, each representing one WESCO common share. These RSUs were awarded at no cash price and increased her directly owned holdings to 10,984.2956 WESCO common shares after the reported transactions.

Why did Laura Thompson dispose of 6.6367 WESCO (WCC) shares in this Form 4?

The 6.6367 WESCO shares were withheld to cover tax obligations on vesting restricted stock units originally granted on March 1, 2025. This is recorded under transaction code F and reflects tax-withholding, not a discretionary open-market sale.

What does the RSU grant to Laura Thompson at WESCO (WCC) involve?

The RSU grant represents 659 units, each a contingent right to receive one WESCO common share. According to the disclosure, these restricted stock units vest in full on the first anniversary of the grant date, subject to the award terms.

How many WESCO (WCC) shares does Laura Thompson own after the reported transactions?

Following the RSU grant and tax-withholding disposition, Laura Thompson directly owns 10,984.2956 WESCO common shares. This total reflects the new restricted stock unit award and the small number of shares withheld to satisfy tax obligations on a prior RSU vesting.

What do the A and F transaction codes mean in Laura Thompson’s WESCO (WCC) Form 4?

Code A indicates a grant or other acquisition, here a 659-share RSU award. Code F indicates payment of tax liability by delivering securities, shown as 6.6367 WESCO shares withheld when earlier restricted stock units vested for Laura Thompson.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/03/2026 - 08:20 PM EST Learn about SEC filing dates

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^*

Thompson Laura K

(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)

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

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		6.6367(1)	D	$289.5	10,325.2956	D
Common Stock	03/02/2026		A		659(2)	A	$0	10,984.2956	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

Explanation of Responses:

1. Represents tax withholding on the vesting of restricted stock units ("RSU") that were granted on 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 full 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.
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