WNC · Quarterly Report (Form 10-Q) · Filed October 30, 2025

Wabash National Corp — 10-Q exhibit

wnc-20250930xex321.htm

Document

Exhibit 32.1

Written Statement of Chief Executive Officer and Chief Financial Officer

Pursuant to Section 906

of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350)

The undersigned, the President and Chief Executive Officer and the Senior Vice President and Chief Financial Officer of Wabash National Corporation (the “Company”), each hereby certifies that, to his knowledge, on October 30, 2025:

(a) the Quarterly Report on Form 10-Q of the Company for the quarter ended September 30, 2025, filed on October 30, 2025 with the Securities and Exchange Commission (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.


			/s/ Brent L. Yeagy
			Brent L. Yeagy
			President and Chief Executive Officer
			October 30, 2025

			/s/ Patrick Keslin
			Patrick Keslin
			Senior Vice President and Chief Financial Officer
			October 30, 2025

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Wabash National Corporation and will be retained by Wabash National Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

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