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