EX-32.1 4 gtbp_ex321.htm CERTIFICATE PURSUANT TO SECTION 18 U.S.C. PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
Exhibit 32.1
CERTIFICATION OF CHIEF 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 on Form 10-Q of GT Biopharma, Inc. (the “Company”), for the quarterly period ended September 30, 2018, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Raymond Urbanski, Chief Executive Officer and Principal Financial Officer of the Company, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, do hereby certify, to my knowledge that:
(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 15 U.S.C. 78m(a) or 780(d)); and
(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 14, 2018 |  | /s/ Raymond Urbanski |
|  | Raymond Urbanski |
|  | Chief Executive Officer, Principal Financial Officer, Chairman, and Director |

A signed original of this written statement required by Section 906 has been provided to GT Biopharma, Inc. and will be retained by GT Biopharma, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.