EX-32.1 4 ex_810607.htm EXHIBIT 32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

Each of the undersigned certifies pursuant to 18 U.S.C. § 1350, that:

(1) The accompanying Quarterly Report on Form 10-Q for the period ended March 31, 2025, of Clearfield, Inc. (the “Company”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the accompanying report fairly presents, in all material respects, the financial condition and results of operations of the Company.

May 9, 2025 |  | /s/ Cheryl Beranek
|  | By: Cheryl Beranek, President and Chief Executive Officer
|  | (Principal Executive Officer)

May 9, 2025 |  | /s/ Daniel Herzog
|  | By: Daniel Herzog, Chief Financial Officer
|  | (Principal Financial and Accounting Officer)