UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 30, 2025

WESCO International, Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-14989

25-1723342

(State or other jurisdiction of
incorporation)

(Commission File Number)

(IRS Employer
Identification No.)

225 West Station Square Drive
Suite 700

15219

Pittsburgh,

Pennsylvania

(Zip Code)

(Address of principal executive offices)

(412) 454-2200

(Registrant's telephone number, including area code)

Not applicable.

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:

Title of Class

Trading Symbol(s)

Name of Exchange on which registered

Common Stock, par value $.01 per share

WCC

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

The information in this Item 2.02 is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information in this Item 2.02 shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

On October 30, 2025, WESCO International, Inc. (the “Company”) issued a press release announcing its financial results for the third quarter of 2025. A copy of the press release is attached hereto as Exhibit 99.1.

Item 7.01 Regulation FD Disclosure.

The information in this Item 7.01 is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. The information in this Item 7.01 shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

A slide presentation to be used by executive management of the Company in connection with its discussions with investors regarding the Company's financial results for the third quarter of 2025 is included in Exhibit 99.2 to this report and is being furnished in accordance with Regulation FD of the Securities and Exchange Commission.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.


Exhibit No.			Description
99.1			Press Release, dated October 30 , 2025
99.2			Slide presentation for investors, dated Oc tober 30 , 2025
104			Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


						WESCO International, Inc.
						(Registrant)


October 30, 2025	By:	/s/ David S. Schulz
(Date)		David S. Schulz
		Executive Vice President and Chief Financial Officer

WESCO INTERNATIONAL INC 8-K