WESCO director awarded additional stock units

WESCO International director Sundaram Nagarajan reported two stock-based awards in company shares.

Rhea-AI Filing Summary

WESCO International director Sundaram Nagarajan reported two stock-based awards in company shares. On March 31, he acquired 13.1427 dividend equivalent rights tied to existing restricted stock units and 28.5520 deferred share units credited under the company’s non-employee director deferred compensation plan. Following these awards, he directly holds 7,233.9607 shares of common stock.

Insider Trade Summary

Grant/Award: 41.6947 shares

Grant/Award 2 txns

Insider NAGARAJAN SUNDARAM

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	13.1427	$0.00	$0.00
Grant/Award	Common Stock	28.552	$273.62	$8K

Holdings After Transaction: Common Stock — 7,233.9607 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: 13.1427 shares Deferred share units credited: 28.5520 shares Price used for DSU crediting: $273.6200 per share +2 more

5 metrics

Dividend equivalent rights granted 13.1427 shares DERs accrued on RSUs as of March 31, 2026

Deferred share units credited 28.5520 shares DSUs under non-employee director deferred compensation plan

Price used for DSU crediting $273.6200 per share Transaction price per share for 28.5520 DSUs

Shares held after transactions 7,233.9607 shares Direct common stock holdings after March 31, 2026 awards

Number of acquisition transactions 2 transactions Both coded as grant, award, or other acquisition

Key Terms

dividend equivalent rights, restricted stock units, deferred share units, Deferred Compensation Plan for Non-Employee Directors, +1 more

5 terms

dividend equivalent rights financial

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

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

restricted stock units financial

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

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

deferred share units financial

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

Deferred share units are promises that give an executive or director the right to receive company shares or their cash value at a future date, often when they retire or leave the company. Think of them as a paycheck held in a savings account that converts into stock later; they matter to investors because they tie pay to long-term performance, create potential future dilution of shares, and represent a delayed cash or share obligation the company must eventually fulfill.

Deferred Compensation Plan for Non-Employee Directors financial

"credited to the Reporting Person's deferred compensation account pursuant to the Issuer's Deferred Compensation Plan for Non-Employee Directors"

economic equivalent of one share financial

"Each DSU is the economic equivalent of one share of Issuer's common stock"

FAQ

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

What did WESCO (WCC) director Sundaram Nagarajan report in this Form 4?

He reported receiving two stock-based awards in WESCO common stock. These included 13.1427 dividend equivalent rights and 28.5520 deferred share units credited under director compensation arrangements, increasing his directly held position to 7,233.9607 shares after the transactions.

Were Sundaram Nagarajan’s WESCO (WCC) transactions open-market purchases or sales?

They were not open-market trades. Both entries are coded as grants or awards of stock-based units, reflecting compensation-related acquisitions rather than discretionary buying or selling of WESCO shares in the open market.

What are the dividend equivalent rights reported by WESCO (WCC) director Nagarajan?

The 13.1427 dividend equivalent rights represent amounts accrued on existing restricted stock units from WESCO’s quarterly dividend. Each right is economically equal to one share and vests on the same schedule as the underlying restricted stock unit award.

What are the deferred share units credited to the WESCO (WCC) director?

The 28.5520 deferred share units were credited to his deferred compensation account under WESCO’s plan for non-employee directors. Each unit is economically equal to one share and can be distributed in WESCO common stock on a schedule he previously elected.

How many WESCO (WCC) shares does Sundaram Nagarajan hold after these awards?

After the reported awards, he directly holds 7,233.9607 shares of WESCO common stock. This figure reflects his position immediately following the March 31 stock-based compensation entries reported in the Form 4.

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

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Accepted by SEC EDGAR 04/02/2026 - 05:29 PM EDT 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^*

NAGARAJAN SUNDARAM

(Last) (First) (Middle)

225 WEST STATION SQUARE DRIVE

SUITE 700

(Street)

PITTSBURGH PENNSYLVANIA 15219-1122

(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		13.1427(1)	A	$0	7,205.4087	D
Common Stock	03/31/2026		A		28.552(2)	A	$273.62	7,233.9607	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)