Shareholder Vote

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549       FORM 8-K   CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934   Date of Report: (Date of earliest event reported) October 10, 2022       GT Biopharma, Inc. (Exact name of registrant as specified in its charter)   Delaware (State or other Jurisdiction of Incorporation)       1-40023   94-1620407 (Commission File Number)   (IRS Employer Identification No.)   8000 Marina Blvd. , Suite 100 Brisbane , CA 94005 (Address of Principal Executive Offices and zip code)   (800) 304-9888 (Registrant’s telephone number, including area code)   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of registrant under any of the following provisions:   ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))   Securities registered pursuant to Section 12(b) of the Act:   Title of each Class   Trading Symbol(s)   Name of each Exchange on which registered Common stock, $0.001 par value   GTBP   The Nasdaq Stock Market LLC   Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2).   Emerging growth company ☐   If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐             Item 5.07. Submission of Matters to a Vote of Security Holders.   The Registrant held a special meeting of stockholders on October 10, 2022. At the special meeting, there were 31,092,498 shares of the Registrant’s common stock entitled to vote, and 17,442,945 (56.1%) were represented at the special meeting in person and by proxy. The following summarizes vote results for the matter submitted to the Registrant’s stockholders for action at the special meeting:   1. Proposal to ratify the inclusion of discretionary votes by brokers or other nominees holding shares for beneficial owners in the tabulation of votes on Proposal No. 4 included in the definitive proxy statement for the Registrant’s 2022 Annual Meeting of Stockholders, the proposal to approve the amendment to the Registrant’s restated certificate of incorporation, as amended, to reduce the authorized number of shares of the Registrant’s common stock from 750,000,000 to 250,000,000.   For   Against   Abstain 17,201,108   227,621   14,216         SIGNATURE   Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.       GT BIOPHARMA, INC.         Date: October 12, 2022 By: /s/ Manu Ohri       Manu Ohri       Chief Financial Officer   3