WESCO EVP receives small share grant via DERs

WESCO International EVP and General Counsel Diane Lazzaris reported a small equity-based compensation adjustment.

Rhea-AI Filing Summary

WESCO International EVP and General Counsel Diane Lazzaris reported a small equity-based compensation adjustment. She acquired 4.3467 shares of common stock on June 30, 2026 through dividend equivalent rights that accrued on previously granted restricted stock units. These rights mirror the company’s quarterly dividend and are economically equal to common shares, vesting on the same schedule as the underlying RSU awards. After this grant, her direct holdings increased to a reported total of 19,615.3446 common shares, reflecting routine compensation-related activity rather than an open-market trade.

Insider Trade Summary

Grant/Award: 4.3467 shares

Grant/Award 1 txn

Insider Lazzaris Diane

Role EVP and General Counsel

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	4.3467	$0.00	$0.00

Holdings After Transaction: Common Stock — 19,615.3446 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.

Key Figures

Shares acquired via DERs: 4.3467 shares Total shares after transaction: 19,615.3446 shares Reported transaction price: $0.0000 per share

3 metrics

Shares acquired via DERs 4.3467 shares Dividend equivalent rights on RSUs, transaction on June 30, 2026

Total shares after transaction 19,615.3446 shares Direct holdings of Diane Lazzaris following the Form 4 transaction

Reported transaction price $0.0000 per share Grant/award acquisition, not an open-market trade

Key Terms

dividend equivalent rights ("DERs"), restricted stock units ("RSUs"), quarterly dividend

3 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.

quarterly dividend financial

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

A quarterly dividend is a payment a company gives to its shareholders four times a year, usually as a share of its profits. It's like getting a small bonus every few months for owning the company's stock, which can provide a steady income. Investors watch these payments to see how well a company is doing and whether it’s a good investment.

FAQ

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

What insider transaction did WESCO (WCC) report for Diane Lazzaris?

Diane Lazzaris received 4.3467 WESCO common shares as a compensation-related grant. The shares came from dividend equivalent rights linked to existing RSUs, not from an open-market purchase or sale, making this a routine equity award adjustment.

Was the WESCO (WCC) Diane Lazzaris Form 4 a stock purchase or sale?

The Form 4 does not show a stock purchase or sale. It reports an acquisition coded as a grant, where dividend equivalent rights converted into 4.3467 common shares tied to existing restricted stock units held by Diane Lazzaris.

How many WESCO (WCC) shares does Diane Lazzaris hold after this Form 4?

After the reported transaction, Diane Lazzaris holds 19,615.3446 WESCO common shares directly. This total includes the additional 4.3467 shares credited through dividend equivalent rights on her outstanding restricted stock unit awards.

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

Dividend equivalent rights, or DERs, give holders the economic value of a dividend on underlying awards. In this case, DERs accrued on Diane Lazzaris’s RSUs in line with WESCO’s quarterly dividend and converted into 4.3467 common shares that follow the RSUs’ vesting schedule.

Do the WESCO (WCC) DERs for Diane Lazzaris vest immediately?

The DERs do not vest on their own. Each dividend equivalent right is economically equal to one common share and vests on the same schedule as the underlying restricted stock unit award that generated it, as described in the Form 4 footnote.

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

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Accepted by SEC EDGAR 07/02/2026 - 04:16 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^*

Lazzaris Diane

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP and General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

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	06/30/2026		A		4.3467(1)	A	$0	19,615.3446	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	07/02/2026
	** 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)