GT Biopharma, Inc DEFA14A, filed Jun 11, 2025
GT Biopharma, Inc. (GTBP)
DEFA14A
2025-06-11
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Added on
October 15, 2026
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
| Filed by the registrant ☒ | Filed by a Party other than the Registrant ☐ |
Check the appropriate box:
| ☐ | 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)
Payment of Filing Fee (Check the appropriate box):
| ☒ | No Fee Required |
| ☐ | Fee paid previously with preliminary materials |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |
