[Form 4] Wesco International Inc. Insider Trading Activity

Rhea-AI Filing Summary

Insider transactions by John Squires III at Wesco International (WCC): The Form 4 shows multiple transactions on 09/09/2025 and a sale on 09/11/2025. On 09/09/2025 Mr. Squires acquired 21,645 and 10,308 shares by exercise/settlement of Stock Appreciation Rights at $48.32 and $54.64 respectively, and subsequently reported several disposals at prices around $212.64. On 09/11/2025 he sold 13,780 shares at a weighted average price of $219.59. Following these trades he beneficially owned 48,624.864 shares.

Positive

• Exercise of compensation awards (Stock Appreciation Rights) on 09/09/2025 produced 31,953 underlying shares, reflecting scheduled vesting
• Filing discloses weighted average sale price for the 09/11/2025 sale ($219.59), supporting transparency

Negative

• Material sell-down of 13,780 shares on 09/11/2025 at $219.59 reduced beneficial ownership
• Multiple disposals on 09/09/2025 at prices around $212.64 further lowered holdings the same day as exercises

Insights

Financial Analyst

TL;DR: Insider exercised SARs and sold a portion of holdings; overall position remains substantial but reduced.

The filing documents routine compensation-related exercises (Stock Appreciation Rights) and subsequent market sales. Exercises on 09/09/2025 created 31,953 underlying shares (21,645 and 10,308) then several disposals reduced holdings across the same day. A later sale on 09/11/2025 for 13,780 shares at a weighted average of $219.59 converted part of those vested proceeds to cash. These moves are consistent with liquidity-taking following vesting rather than an abrupt change in control or strategy. Impact on capital structure is immaterial given remaining beneficial ownership of 48,624.864 shares.

Corporate Governance Expert

TL;DR: Transactions appear compliant and documented; exercises follow scheduled vesting and sales disclose weighted average prices.

The disclosure includes explanations that the SARs vested in scheduled installments (per grant dates) and notes the weighted average sale price range for the 09/11/2025 disposition. The form is signed by an attorney-in-fact and identifies Mr. Squires as Retiring EVP & GM, EES, indicating an officer-level filer. No indication of undisclosed related-party or off-market transfers is present in the filing text provided.

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^*

Squires Nelson John III

(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)
	Retiring EVP & GM, EES

3. Date of Earliest Transaction (Month/Day/Year)
09/09/2025

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	09/09/2025		M		21,645	A	$48.32	70,269.864	D
Common Stock	09/09/2025		D		4,919	D	$212.64	65,350.864	D
Common Stock	09/09/2025		F		7,274	D	$212.64	58,076.864	D
Common Stock	09/09/2025		M		10,308	A	$54.64	68,384.864	D
Common Stock	09/09/2025		D		2,649	D	$212.64	65,735.864	D
Common Stock	09/09/2025		F		3,331	D	$212.64	62,404.864	D
Common Stock	09/11/2025		S		13,780	D	$219.59(1)	48,624.864	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	$48.32	09/09/2025		M			21,645	(2)	02/13/2030	Common Stock	21,645	$0	0	D
Stock Appreciation Rights	$54.64	09/09/2025		M			10,308	(3)	02/13/2029	Common Stock	10,308	$0	0	D

Explanation of Responses:

1. Represents weighted average sale price. These shares were sold in multiple transactions at prices ranging from $219.31 to $219.94. 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 February 13,2020 grant date.

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.

	/s/ Michele Nelson, as Attorney-in-Fact	09/11/2025
	** 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).
** 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.

FAQ

What transactions did John Squires III report for WCC on the Form 4?

The Form 4 reports exercises/settlements of Stock Appreciation Rights on 09/09/2025 creating 21,645 and 10,308 shares and multiple disposals that day, plus a sale of 13,780 shares on 09/11/2025 at a weighted average price of $219.59.

How many shares does Mr. Squires beneficially own after these transactions?

Following the reported transactions Mr. Squires beneficially owned 48,624.864 shares.

Were the SARs exercisable due to scheduled vesting?

Yes. The filing states the SARs became exercisable in three equal annual installments beginning on the first anniversaries of the February 13, 2019 and 2020 grant dates.

What prices were involved in the disposals reported on the Form 4?

Disposals on 09/09/2025 included prices around $212.64. The sale on 09/11/2025 had a weighted average sale price of $219.59 (range $219.31–$219.94).

Does the filing indicate any change in reporting status or relationship to the issuer?

The filing identifies Mr. Squires as an officer (Retiring EVP & GM, EES) and does not check the box indicating he is no longer subject to Section 16 reporting.