DEFA14A 1 formdefa14a.htm

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934

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| ☐ | Preliminary Proxy Statement | ☐ | Confidential, For Use
| ☐ | Definitive Proxy Statement |  | of the Commission Only
| ☒ | Definitive Additional Materials |  | (as permitted by Rule
| ☐ | Soliciting Material under Rule 14a-12 |  | 14a-6(e)(2))

GT BIOPHARMA, INC.

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

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