WESCO director granted stock-based awards

WESCO International director Anne M. Cooney reported two compensation-related acquisitions of common stock-equivalent units.

Rhea-AI Filing Summary

WESCO International director Anne M. Cooney reported two compensation-related acquisitions of common stock-equivalent units. On March 31, 2026, she received 6.8403 shares at $0.00 per share, representing dividend equivalent rights that mirror the value and vesting of her restricted stock units.

On the same date, she also acquired 28.5520 shares at $273.62 per share as deferred share units credited to her deferred compensation account under WESCO’s plan for non-employee directors. Following these awards, her direct common stock-equivalent holdings reported in this filing increased to 6,292.6743 shares.

Insider Trade Summary

Grant/Award: 35.3923 shares

Grant/Award 2 txns

Insider Cooney Anne M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	6.8403	$0.00	$0.00
Grant/Award	Common Stock	28.552	$273.62	$8K

Holdings After Transaction: Common Stock — 6,292.6743 shares (Direct)

Footnotes (2)

1. F1. Represents dividend equivalent rights ("DERs") in connection with the Issuer's quarterly dividend and accrued to the Reporting Person on restricted stock units ("RSUs") held by the Reporting Person. Each DER is the economic equivalent of one share of Issuer's common stock and vests on the same schedule as the underlying award.
2. F2. Represents deferred share units ("DSUs") credited to the Reporting Person's deferred compensation account pursuant to the Issuer's Deferred Compensation Plan for Non-Employee Directors (the "Plan"). Each DSU is the economic equivalent of one share of Issuer's common stock and is eligible for distribution in the form of Issuer's common stock based on the schedule elected by the Reporting Person in accordance with the Plan.

Key Figures

Dividend equivalent rights granted: 6.8403 shares at $0.00 Deferred share units granted: 28.5520 shares at $273.62 Holdings after first grant: 6,264.1223 shares +1 more

4 metrics

Dividend equivalent rights granted 6.8403 shares at $0.00 Non-derivative common stock acquisition on March 31, 2026

Deferred share units granted 28.5520 shares at $273.62 Non-derivative common stock acquisition on March 31, 2026

Holdings after first grant 6,264.1223 shares Total common stock-equivalent shares following DER credit

Final holdings after awards 6,292.6743 shares Direct common stock-equivalent holdings after both awards

Key Terms

dividend equivalent rights ("DERs"), restricted stock units ("RSUs"), deferred share units ("DSUs"), Deferred Compensation Plan for Non-Employee Directors

4 terms

dividend equivalent rights ("DERs") financial

"Represents dividend equivalent rights ("DERs") in connection with the Issuer's quarterly dividend"

restricted stock units ("RSUs") financial

"accrued to the Reporting Person on restricted stock units ("RSUs") held by the Reporting Person"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

deferred share units ("DSUs") financial

"Represents deferred share units ("DSUs") credited to the Reporting Person's deferred compensation account"

Deferred Compensation Plan for Non-Employee Directors financial

"pursuant to the Issuer's Deferred Compensation Plan for Non-Employee Directors (the "Plan")"

FAQ

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

What did WESCO (WCC) director Anne M. Cooney report in this Form 4?

Anne M. Cooney reported receiving two awards tied to WESCO common stock on March 31, 2026. These included dividend equivalent rights on existing restricted stock units and deferred share units credited under the company’s non-employee director deferred compensation plan.

How many WESCO (WCC) shares did Anne M. Cooney acquire through dividend equivalent rights?

She acquired 6.8403 common stock-equivalent shares at a stated price of $0.00 per share as dividend equivalent rights. These rights are economically equal to WESCO common stock and vest on the same schedule as the underlying restricted stock units she already holds.

What are the deferred share units reported by Anne M. Cooney at WESCO (WCC)?

She received 28.5520 deferred share units at $273.62 per unit, credited to her deferred compensation account. Each unit is economically equivalent to one WESCO common share and can be distributed in stock based on a schedule she elected under the director deferred compensation plan.

How many WESCO (WCC) shares does Anne M. Cooney hold after these transactions?

After the March 31, 2026 awards, her reported direct holdings increased to 6,292.6743 common stock-equivalent shares. This figure reflects the cumulative effect of both the dividend equivalent rights and the deferred share units disclosed in this Form 4 filing.

Are Anne M. Cooney’s WESCO (WCC) Form 4 transactions open-market purchases or compensation awards?

The transactions are compensation-related awards, not open-market trades. Both entries carry the Form 4 code “A” for grants or awards and relate to dividend equivalent rights on RSUs and deferred share units under WESCO’s non-employee director deferred compensation plan.

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

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Accepted by SEC EDGAR 04/02/2026 - 05:32 PM 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^*

Cooney Anne M

(Last) (First) (Middle)

225 WEST STATION SQUARE DRIVE

SUITE 700

(Street)

PITTSBURGH PENNSYLVANIA 15219

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

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

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

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

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	03/31/2026		A		6.8403(1)	A	$0	6,264.1223	D
Common Stock	03/31/2026		A		28.552(2)	A	$273.62	6,292.6743	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 dividend equivalent rights ("DERs") in connection with the Issuer's quarterly dividend and accrued to the Reporting Person on restricted stock units ("RSUs") held by the Reporting Person. Each DER is the economic equivalent of one share of Issuer's common stock and vests on the same schedule as the underlying award.

2. Represents deferred share units ("DSUs") credited to the Reporting Person's deferred compensation account pursuant to the Issuer's Deferred Compensation Plan for Non-Employee Directors (the "Plan"). Each DSU is the economic equivalent of one share of Issuer's common stock and is eligible for distribution in the form of Issuer's common stock based on the schedule elected by the Reporting Person in accordance with the Plan.

	/s/ Michele Nelson, as Attorney-in-Fact	04/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)