Aytu BioPharma (AYTU) 10-Q 2025 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S. C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Joshua R. Disbrow, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002, that, to my knowledge, the Quarterly Report on Form 10‑Q of Aytu BioPharma, Inc. for the fiscal quarter ended December 31, 2024, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10‑Q fairly presents, in all material respects, the financial condition and results of operations of Aytu BioPharma, Inc.

Date: February 12, 2025
	By:	/s/ Joshua R. Disbrow
		Joshua R. Disbrow
		Chief Executive Officer
		(Principal Executive Officer)

I, Ryan J. Selhorn, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act of 2002, that, to my knowledge, the Quarterly Report on Form 10‑Q of Aytu BioPharma, Inc. for the fiscal quarter ended December 31, 2024, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10‑Q fairly presents, in all material respects, the financial condition and results of operations of Aytu BioPharma, Inc.

Date: February 12, 2025
	By:	/s/ Ryan J. Selhorn
		Ryan J. Selhorn
		Chief Financial Officer
		(Principal Financial Officer)
		(Principal Accounting Officer)