WESCO International EVP reports dividend-equivalent stock rights

WESCO International Inc.'s Executive Vice President and General Manager of EES reported a routine equity accrual tied to existing awards.

Rhea-AI Filing Summary

WESCO International Inc.'s Executive Vice President and General Manager of EES reported a routine equity accrual tied to existing awards. On 12/31/2025, the insider acquired 22.7597 dividend equivalent rights (DERs) related to previously granted restricted stock units. The DERs were recorded at a price of $0, reflecting that they were issued as part of the company’s quarterly dividend rather than purchased in the market.

Each DER is economically equal to one share of WESCO common stock and will vest on the same schedule as the underlying restricted stock units. Following this transaction, the reporting person beneficially owned 12,294.03 shares of WESCO common stock in direct ownership. The filing reflects ongoing equity-based compensation rather than an open-market trade.

Insider Trade Summary

Grant/Award: 22.7597 shares

Grant/Award 1 txn

Insider Castillo Daniel J

Role EVP & GM, EES

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	22.7597	$0.00	$0.00

Holdings After Transaction: Common Stock — 12,294.03 shares (Direct)

Footnotes (1)

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.

FAQ

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

What insider transaction did WESCO International (WCC) report in this Form 4?

The filing reports that an executive acquired 22.7597 dividend equivalent rights (DERs) on 12/31/2025 related to existing restricted stock units.

Who is the reporting person in the WESCO International (WCC) Form 4?

The reporting person is an officer of WESCO International Inc., serving as EVP & GM, EES.

How many WESCO (WCC) shares does the insider beneficially own after this transaction?

After the reported transaction, the insider beneficially owned 12,294.03 shares of WESCO International Inc. common stock in direct ownership.

What are dividend equivalent rights (DERs) in the WESCO (WCC) Form 4?

The filing explains that each DER is the economic equivalent of one share of WESCO common stock and was credited in connection with the issuer’s quarterly dividend on restricted stock units.

Do the WESCO (WCC) dividend equivalent rights vest immediately?

No. The DERs vest on the same schedule as the underlying restricted stock unit awards held by the reporting person.

Did the WESCO (WCC) insider pay cash for the DERs reported?

No. The DERs were credited at a price of $0, reflecting that they accrued as part of the issuer’s quarterly dividend rather than being purchased.

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

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Accepted by SEC EDGAR 01/05/2026 - 07:19 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^*

Castillo Daniel J

(Last) (First) (Middle)

225 WEST STATION SQUARE DRIVE

SUITE 700

(Street)

PITTSBURGH PA 15219-1122

(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 & GM, EES

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

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	12/31/2025		A		22.7597(1)	A	$0	12,294.03	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.

	/s/ Michele Nelson, as Attorney-in-Fact	01/05/2026
	** 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.