WESCO (NYSE: WCC) EVP Schulz sells stock after exercising awards

Rhea-AI Filing Summary

WESCO International EVP & Former CFO David S. Schulz reported multiple stock transactions involving common stock and stock appreciation rights. On March 5, 2026, he sold 14,190 shares of common stock at a weighted average price of $282.88 and 1,256 shares at $284.03, in each case through open‑market sales executed across price ranges disclosed in the footnotes.

On March 4, 2026, Schulz exercised stock appreciation rights covering 22,144 and 12,859 shares of common stock at exercise prices of $54.64 and $76.80, respectively, and delivered shares back to the issuer and for taxes. Following these transactions, he held 108,983.4472 shares of WESCO common stock directly.

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

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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^*

Schulz David S.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Former CFO

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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	03/04/2026		M		22,144	A	$54.64	131,127.4472	D
Common Stock	03/04/2026		D		4,223	D	$286.58	126,904.4472	D
Common Stock	03/04/2026		F		7,794	D	$286.58	119,110.4472	D
Common Stock	03/04/2026		M		12,859	A	$76.8	131,969.4472	D
Common Stock	03/04/2026		D		3,447	D	$286.58	128,522.4472	D
Common Stock	03/04/2026		F		4,093	D	$286.58	124,429.4472	D
Common Stock	03/05/2026		S		14,190	D	$282.88(1)	110,239.4472	D
Common Stock	03/05/2026		S		1,256	D	$284.03(2)	108,983.4472	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
Stock Appreciation Rights	$54.64	03/04/2026		M			22,144	(3)	02/13/2029	Common Stock	22,144	$0	0	D
Stock Appreciation Rights	$76.8	03/04/2026		M			12,859	(4)	02/11/2031	Common Stock	12,859	$0	0	D

Explanation of Responses:

1. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $282.54 to $283.53. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.

2. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $283.54 to $284.49. Upon request by the SEC, the Issuer or a stockholder of the Issuer, complete information regarding the number of shares sold at each price within the range will be provided.

3. The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 13, 2019 grant date.

4. The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the February 11, 2021 grant date.

	/s/ Michele Nelson, as Attorney-in-Fact	03/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did WESCO (WCC) executive David S. Schulz report?

David S. Schulz reported exercising stock appreciation rights and related stock dispositions, plus open‑market sales of WESCO common stock. The activity includes derivative exercises on March 4, 2026, followed by open‑market sales on March 5, 2026, at weighted average prices detailed in the filing footnotes.

How many WESCO (WCC) shares did David S. Schulz sell in the open market?

Schulz sold 14,190 WESCO common shares at a weighted average price of $282.88 and 1,256 shares at $284.03. Both sales occurred on March 5, 2026, through multiple transactions within specified price ranges described in the accompanying Form 4 footnotes.

What stock appreciation rights did WESCO (WCC) executive Schulz exercise?

He exercised stock appreciation rights for 22,144 shares with a $54.64 exercise price and 12,859 shares with a $76.80 exercise price on March 4, 2026. These rights vested in three equal annual installments from grant dates in February 2019 and February 2021.

How did WESCO (WCC) handle shares for Schulz’s taxes and issuer dispositions?

On March 4, 2026, Schulz disposed of 4,223 and 3,447 WESCO common shares to the issuer and 7,794 and 4,093 shares for tax withholding, each at $286.58. These dispositions satisfied exercise price and tax obligations related to the exercised stock appreciation rights.

How many WESCO (WCC) shares does David S. Schulz own after these transactions?

After completing the March 4–5, 2026 transactions, Schulz directly owned 108,983.4472 WESCO common shares. This figure reflects derivative exercises, issuer and tax‑related share dispositions, and subsequent open‑market sales reported in the Form 4 for the period.

What is David S. Schulz’s role at WESCO (WCC) in this insider report?

In this insider transaction report, David S. Schulz is identified as WESCO International Inc.’s Executive Vice President and Former Chief Financial Officer. The reported transactions involve his directly held common stock and stock appreciation rights in the company.