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GTBP

GT Biopharma, Inc. SEC filings
Pharmaceutical Preparations · Nasdaq · Incorporated in DE
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Filing history
2026-10-20
EFFECT EFFECT
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2026-10-20
Prospectus 424B3
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2026-10-13
Proxy statement (shareholder vote) DEF 14A
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2026-10-09
Registration (share sale/IPO) S-1
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2026-10-02
PRE 14A PRE 14A
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2026-09-29
D D
Item 06b
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2026-09-25
Current report 8-K
Other event
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2026-09-21
Current report 8-K
Material agreementShare sale (dilution)Shareholder rights changeBylaws change
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2026-09-15
Passive 5%+ stake SCHEDULE 13G
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2026-09-15
Current report 8-K
Material agreementShare sale (dilution)Shareholder rights changeBylaws change
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2026-09-03
Current report 8-K
Shareholder rights changeBylaws changeOther event
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2026-08-14
Current report 8-K
Shareholder vote
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2026-08-14
Quarterly report 10-Q
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2026-07-02
Proxy statement (shareholder vote) DEF 14A
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2026-06-18
PRE 14A PRE 14A
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2026-06-12
Current report 8-K
Bylaws change
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2026-05-22
Current report 8-K
Listing notice (delisting or exchange move)
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2026-05-15
Quarterly report 10-Q
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2026-05-13
EFFECT EFFECT
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2026-05-13
Prospectus 424B3
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2026-05-11
CORRESP CORRESP
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2026-05-06
UPLOAD UPLOAD
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2026-04-30
Registration (share sale/IPO) S-1
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2026-04-07
Current report 8-K
Material agreement
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2026-03-06
Quarterly report (amended) 10-Q/A
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2026-03-06
Quarterly report (amended) 10-Q/A
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2026-03-02
Annual report 10-K
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2026-03-02
Current report 8-K
Restatement: past results unreliable
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2026-01-30
EFFECT EFFECT
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2026-01-30
Prospectus 424B3
Filing ↗
2026-01-28
CORRESP CORRESP
Filing ↗
2026-01-27
UPLOAD UPLOAD
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2026-01-21
Registration (share sale/IPO) S-1
Filing ↗
2026-01-08
Prospectus 424B3
Filing ↗
2025-12-02
EFFECT EFFECT
Filing ↗
2025-12-02
Prospectus 424B3
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2025-12-02
CORRESP CORRESP
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2025-11-26
Current report 8-K
Listing notice (delisting or exchange move)
Filing ↗
2025-11-14
Quarterly report 10-Q
Filing ↗
2025-11-14
Current report 8-K
Earnings results
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