GT Biopharma, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
San Francisco, CA
SEC filing record 1 source field available
Fiscal year end
31 December
GT Biopharma, Inc. has filed 868 SEC EDGAR filings since 12 May 1995

SEC filing history

Showing 1-25 of 35 matching filings.

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SC 13G/A File 005-32837

AMENDMENT NO. 17 TO SCHEDULE 13G

Filing date
23 May 2024
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SC 13G/A File 005-32837

SC 13G/A filing

Filing date
14 Feb 2024
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SC 13G File 005-32837

SCHEDULE 13G

Filing date
19 Sep 2023
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SC 13G File 005-32837

SC 13G filing

Filing date
14 Feb 2023
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SC 13G/A File 005-32837

AMENDMENT NO. 16

Filing date
03 Mar 2022
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SC 13G/A File 005-32837

SC 13G/A filing

Filing date
28 Jan 2022
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SC 13G/A File 005-32837

AMENDMENT NO. 6 TO SCHEDULE 13G

Filing date
18 Jan 2022
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SC 13G/A File 005-32837

SC 13G/A filing

Filing date
16 Apr 2021
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SC 13G File 005-32837

SC 13G filing

Filing date
17 Feb 2021
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SC 13G/A File 005-32837

AMENDMENT NO. 15

Filing date
08 Feb 2021
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SC 13G/A File 005-32837

AMENDMENT NO. 5 TO SCHEDULE 13G

Filing date
05 Feb 2021
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SC 13G File 005-32837

SCHEDULE 13G

Filing date
10 Jun 2020
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SC 13G/A File 005-32837

AMENDMENT NO. 13

Filing date
18 May 2020
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SC 13G/A File 005-32837

AMENDMENT NO. 12

Filing date
04 Feb 2020
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SC 13G/A File 005-32837

AMENDMENT NO. 4 TO SCHEDULE 13G

Filing date
16 Jan 2020
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SC 13G/A File 005-32837

AMENDMENT NO. 3 TO SCHEDULE 13G

Filing date
13 Feb 2019
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SC 13G/A File 005-32837

SCHEDULE 13G AMENDMENT

Filing date
12 Feb 2019
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SC 13G/A File 005-32837

SC 13G/A2 JAMES W HEAVENER

Filing date
05 Feb 2019
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SC 13G/A File 005-32837

SC 13G/A JAMES W HEAVENER

Filing date
29 Jan 2019
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SC 13G/A File 005-32837

SCHEDULE 13G AMENDMENT

Filing date
07 Feb 2018
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SC 13G File 005-32837

SCHEDULE 13G MARK J SILVERMAN

Filing date
04 Dec 2017
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SC 13G File 005-32837

THEOREM GROUP LLC 13G FOR GT BIOPHARMA, INC.

Filing date
14 Nov 2017
Reporting date
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SC 13G/A File 005-32837

AMENDMENT NO. 9

Filing date
10 Oct 2017
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SC 13G/A File 005-32837

AMENDMENT NO. 2 TO SCHEDULE 13G

Filing date
20 Sep 2017
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SC 13G/A File 005-32837

AMENDMENT NO. 1 TO SCHEDULE 13G

Filing date
13 Feb 2017
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