Exhibit 32.1

 

CERTIFICATION TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

 

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, I, Anthony Cataldo, Chief Executive Officer of GT Biopharma, Inc. (the “Company”), hereby certify that, to the best of my knowledge:

 

 

(i)

the Quarterly Report on Form 10-Q of the Company for the fiscal quarter ended June 30, 2021 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

 

 

 

 

(ii)

the information contained in the Report fairly presents, in all material respects, the financial condition and results of operation of the Company.

 

       
Date: August 23, 2021 By: /s/ Anthony Cataldo

 

 

 Name: Anthony Cataldo  
    Title: Chief Executive Officer, Chairman and Director  
               Principal Executive Officer