EX-32.1 4 ex_931024.htm EXHIBIT 32.1 ex_931024.htm

Exhibit 32.1

 

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

 

In connection with the Quarterly Report of Phio Pharmaceuticals Corp. (the “Company”) on Form 10-Q for the period ended March 31, 2026 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officers of the Company certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to their knowledge:

 

 

1.

The Report 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 Report fairly presents, in all material respects, the Company’s financial condition and results of operations.

 

 

Dated: May 7, 2026

 

 

/s/ Robert J. Bitterman

  

Robert J. Bitterman

  

President and Chief Executive Officer

  

(Principal Executive Officer)

 

 

Dated: May 7, 2026

 

 

/s/ Lisa C. Carson

  

Lisa C. Carson

  

Chief Financial Officer

  

(Principal Financial Officer)