[Form 4] Wesco International Inc. Insider Trading Activity

Rhea-AI Filing Summary

Christine Ann Wolf, Executive Vice President & Chief Human Resources Officer of Wesco International Inc. (WCC), reported multiple transactions on 08/26/2025–08/27/2025. The filing shows a series of non-derivative purchases and dispositions and related derivative activity. Notable items include acquisitions of 4,201 and 845 common shares at prices of $59.95 and $59.05, several dispositions (including amounts of 1,344, 1,112, 271, and 221 shares) at $226.49, and a sale of 2,098 shares at a weighted average price of $224.92. Reported derivative activity shows Stock Appreciation Rights exercisable into 4,201 and 845 shares with zero exercise price listed. Total reported beneficial ownership declined from 34,389.2811 shares to 30,188.2811 shares following the transactions.

Positive

• Acquisitions recorded: 4,201 shares at $59.95 and 845 shares at $59.05 were acquired, increasing direct holdings via reported transactions.
• Stock Appreciation Rights disclosure: SARs exercisable into 4,201 and 845 shares are explicitly reported, clarifying compensation-related derivative activity.

Negative

• Net reduction in beneficial ownership: Reported holdings fell from 34,389.2811 to 30,188.2811 shares after the transactions.
• Significant open-market dispositions: Multiple disposals (including blocks at $226.49 and a sale at a weighted average of $224.92) reduced insider stake materially.

Insights

Financial Analyst

TL;DR: Insider executed mixed buy and sell activity, resulting in a material net reduction in reported holdings.

The filings show the reporting person acquired 5,046 common shares across two purchase lines at low per-share prices ($59.95 and $59.05) while disposing of multiple blocks at ~ $226.49 and selling 2,098 shares at a weighted average of $224.92. The aggregate effect reduced beneficial ownership from 34,389.2811 to 30,188.2811 shares. For investors, this is a neutral to slightly negative signal because concentrated sales reduced insider holdings; however, the presence of exercised or granted Stock Appreciation Rights converting into shares complicates simple buy/sell interpretation. No claims about motivations or future company performance are made; analysis strictly follows reported numbers.

Corporate Governance Expert

TL;DR: Multiple transaction codes and SAR conversions suggest routine compensation-related activity plus open-market trades.

The Form 4 indicates Stock Appreciation Rights tied to 2018 grants became exercisable and were reported (showing underlying common stock amounts of 4,201 and 845 shares). Concurrently, several direct disposals and a sale at a weighted average price were reported. From a governance perspective, these are material insider transactions that should be disclosed and monitored for timing relative to any material company events. The form is signed by an attorney-in-fact and appears complete for the disclosed transactions.

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^*

Wolf Christine Ann

(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 & CHRO

3. Date of Earliest Transaction (Month/Day/Year)
08/26/2025

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	08/26/2025		M		4,201	A	$59.95	34,389.2811	D
Common Stock	08/26/2025		D		1,112	D	$226.49	33,277.2811	D
Common Stock	08/26/2025		F		1,344	D	$226.49	31,933.2811	D
Common Stock	08/26/2025		M		845	A	$59.05	32,778.2811	D
Common Stock	08/26/2025		D		221	D	$226.49	32,557.2811	D
Common Stock	08/26/2025		F		271	D	$226.49	32,286.2811	D
Common Stock	08/27/2025		S		2,098	D	$224.92(1)	30,188.2811	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	$59.95	08/26/2025		M			4,201	(2)	06/22/2028	Common Stock	4,201	$0	0	D
Stock Appreciation Rights	$59.05	08/26/2025		M			845	(3)	08/14/2028	Common Stock	845	$0	0	D

Explanation of Responses:

1. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $224.37 to $225.11. 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. The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the June 22, 2018 grant date.

3. The Stock Appreciation Rights became exercisable in three (3) equal, annual installments beginning on the first anniversary of the August 14, 2018 grant date.

	/s/ Michele Nelson, as Attorney-in-Fact	08/28/2025
	** 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).
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FAQ

What transactions did the WCC reporting person make on 08/26–08/27/2025?

Answer: The filing lists multiple transactions: acquisitions of 4,201 and 845 common shares at $59.95 and $59.05, disposals of 1,344, 1,112, 271, and 221 shares at $226.49, and a sale of 2,098 shares at a weighted average price of $224.92.

How did these transactions affect Christine Ann Wolf's total holdings in WCC?

Answer: Beneficial ownership decreased from 34,389.2811 shares to 30,188.2811 shares following the reported transactions.

Were any derivative instruments reported in the Form 4 for WCC?

Answer: Yes. The filing reports Stock Appreciation Rights exercisable into 4,201 and 845 common shares with a listed price of $0 for the derivative and conversion prices of $59.95 and $59.05 noted.

What prices were the disposals executed at according to the Form 4?

Answer: Several disposals are reported at $226.49; a sale of 2,098 shares shows a weighted average sale price of $224.92 (with individual sale prices ranging from $224.37 to $225.11 as noted).

Who signed the Form 4 and when?

Answer: The form is signed electronically by /s/ Michele Nelson, as Attorney-in-Fact on 08/28/2025.