Filer Snapshot

GT Biopharma, Inc. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0000109657.

Entity Type

Company

Total Filings

865

Latest Filing

22 May 2026

Industry

Pharmaceutical Preparations

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Source: SEC filing 8-K

8-K filed on 22 May 2026 for CIK 0000109657.

View Source Filing
Symbol
GTBP on Nasdaq
Industry
Pharmaceutical Preparations (Office Of Life Sciences)
Business address
505 Montgomery Street, 10 Th Floor, San Francisco, CA, 94111
State of incorporation
DE
Fiscal year end
31 December
Former names
OXIS INTERNATIONAL INC (to 25 Jul 2017)

Key facts

  • GT Biopharma, Inc. is an SEC filer tracked under CIK 0000109657.
  • 865 filings are listed on this profile.
  • Common form coverage includes 8-K, 10-Q, EFFECT and more.

Change

  • Latest filing: 8-K filed on 22 May 2026.
  • Report period: 20 May 2026.

Research use

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Evidence

Source: SEC filing 8-K

8-K filed on 22 May 2026 for CIK 0000109657.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 8-K can change the filing history, ownership context, or next research path for GT Biopharma, Inc..

Latest source-backed update
8-K filed 22 May 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 8-K filed 22 May 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for GT Biopharma, Inc.

New fact period available

Latest financial period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

15 May 2026

Page type

Company facts

Latest period

Q1 2026

SEC-backed company facts were refreshed from filings filed on 15 May 2026.

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Benchmark Context

Benchmark context for this company

GT Biopharma, Inc. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

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Why this is notable

Latest financial period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 15 May 2026.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
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Company intelligence

GT Biopharma, Inc.: filings, ownership, insiders

CIK 0000109657. Open the active data lane, then verify the SEC filing behind the row.

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Active modules

3/5

Available company intelligence paths on this page.

Filings

865

SEC submissions provide the evidence trail.

Ownership context

1/3

Insider, large-stake, and institutional ownership lanes.

Return loop

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Return when a new SEC-backed change lands.

Research checks

Latest filing

8-K filed 22 May 2026

Ownership lanes

1/3 active

CIK

0000109657

Next review

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SEC filings

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Company facts

Available

Financial context

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Forms 3/4/5

Available

Insider activity

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Schedule 13D/G

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Form 13F

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Watchlist return triggers

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new company filing insider Form 4 13D/G holder change 13F holder update

Filer Overview

GT Biopharma, Inc. has filed 865 SEC EDGAR filings since 12 May 1995. Common forms include 8-K, 10-Q, EFFECT, 424B3 and more.

GT Biopharma, Inc. SEC filings GT Biopharma, Inc. insider transactions GT Biopharma, Inc. company facts

Latest Filings

Recent SEC filings for GT Biopharma, Inc. with direct links to document and filing folders.

EFFECT File 333-295461

EFFECT filing

Filing date
13 May 2026
Reporting date
Not listed
SEC evidence
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424B3 File 333-295461

424B3

Filing date
13 May 2026
Reporting date
Not listed
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EFFECT File 333-292856

EFFECT filing

Filing date
30 Jan 2026
Reporting date
Not listed
SEC evidence
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424B3 File 333-292856

424B3

Filing date
30 Jan 2026
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
28 Jan 2026
Reporting date
Not listed
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UPLOAD File 333-292856

UPLOAD filing

Filing date
27 Jan 2026
Reporting date
Not listed
SEC evidence
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424B3 File 333-287963

424B3

Filing date
08 Jan 2026
Reporting date
Not listed
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EFFECT File 333-291060

EFFECT filing

Filing date
02 Dec 2025
Reporting date
Not listed
SEC evidence
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424B3 File 333-291060

424B3

Filing date
02 Dec 2025
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
02 Dec 2025
Reporting date
Not listed
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4

4 filing

Filing date
08 Sep 2025
Reporting date
04 Sep 2025
SEC evidence
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4

4 filing

Filing date
08 Sep 2025
Reporting date
04 Sep 2025
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4

4 filing

Filing date
08 Sep 2025
Reporting date
04 Sep 2025
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4

4 filing

Filing date
08 Sep 2025
Reporting date
04 Sep 2025
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4

4 filing

Filing date
08 Sep 2025
Reporting date
04 Sep 2025
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3

3 filing

Filing date
30 Jul 2025
Reporting date
10 Jun 2025
SEC evidence
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424B3 File 333-287963

424B3

Filing date
03 Jul 2025
Reporting date
Not listed
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EFFECT File 333-287963

EFFECT filing

Filing date
02 Jul 2025
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
01 Jul 2025
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
27 Jun 2025
Reporting date
Not listed
SEC evidence
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UPLOAD File 333-287963

UPLOAD filing

Filing date
20 Jun 2025
Reporting date
Not listed
SEC evidence
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DEFA14A File 001-40023

DEFA14A

Filing date
11 Jun 2025
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-40023

DEF 14A

Filing date
11 Jun 2025
Reporting date
11 Jun 2025
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3

3 filing

Filing date
03 Jun 2025
Reporting date
07 May 2025
SEC evidence
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SCHEDULE 13G/A File 005-32837

SCHEDULE 13G/A filing

Filing date
02 Jun 2025
Reporting date
Not listed
SEC evidence
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PRE 14A File 001-40023

PRE 14A

Filing date
30 May 2025
Reporting date
30 May 2025
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3

3 filing

Filing date
29 May 2025
Reporting date
08 May 2025
SEC evidence
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D File 021-547407

D filing

Filing date
28 May 2025
Reporting date
Not listed
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D File 021-547250

D filing

Filing date
27 May 2025
Reporting date
Not listed
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SCHEDULE 13G File 005-32837

SCHEDULE 13G filing

Filing date
14 May 2025
Reporting date
Not listed
SEC evidence
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10-K/A File 001-40023

10-K/A filing

Filing date
14 Apr 2025
Reporting date
31 Dec 2024
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424B3 File 333-285618

424B3 filing

Filing date
14 Mar 2025
Reporting date
Not listed
SEC evidence
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EFFECT File 333-285618

EFFECT filing

Filing date
13 Mar 2025
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
11 Mar 2025
Reporting date
Not listed
SEC evidence
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UPLOAD File 333-285618

UPLOAD filing

Filing date
11 Mar 2025
Reporting date
Not listed
SEC evidence
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D File 021-540228

D filing

Filing date
07 Mar 2025
Reporting date
Not listed
SEC evidence
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S-3 File 333-285618

S-3 filing

Filing date
06 Mar 2025
Reporting date
Not listed
SEC evidence
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RW File 333-284032

RW filing

Filing date
24 Feb 2025
Reporting date
Not listed
SEC evidence
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10-K File 001-40023

10-K filing

Filing date
21 Feb 2025
Reporting date
31 Dec 2024
Next action
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S-1/A File 333-284032

S-1/A filing

Filing date
07 Feb 2025
Reporting date
Not listed
SEC evidence
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S-1/A File 333-284032

S-1/A filing

Filing date
27 Jan 2025
Reporting date
Not listed
SEC evidence
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S-1 File 333-284032

S-1 filing

Filing date
23 Dec 2024
Reporting date
Not listed
SEC evidence
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10-Q File 001-40023

10-Q filing

Filing date
14 Nov 2024
Reporting date
30 Sep 2024
Next action
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4

4 filing

Filing date
21 Oct 2024
Reporting date
17 Oct 2024
SEC evidence
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SCHEDULE 13G/A File 005-32837

SCHEDULE 13G/A filing

Filing date
17 Oct 2024
Reporting date
Not listed
SEC evidence
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10-Q File 001-40023

10-Q filing

Filing date
14 Aug 2024
Reporting date
30 Jun 2024
Next action
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424B3 File 333-280326

424B3 filing

Filing date
02 Jul 2024
Reporting date
Not listed
SEC evidence
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EFFECT File 333-280326

EFFECT filing

Filing date
28 Jun 2024
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
27 Jun 2024
Reporting date
Not listed
SEC evidence
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S-1/A File 333-280326

S-1/A filing

Filing date
27 Jun 2024
Reporting date
Not listed
SEC evidence
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UPLOAD File 333-280326

UPLOAD filing

Filing date
24 Jun 2024
Reporting date
Not listed
SEC evidence
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S-1 File 333-280326

S-1 filing

Filing date
20 Jun 2024
Reporting date
Not listed
SEC evidence
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DEFA14A File 001-40023

DEFA14A filing

Filing date
17 Jun 2024
Reporting date
Not listed
SEC evidence
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3

3 filing

Filing date
13 Jun 2024
Reporting date
03 Jun 2024
SEC evidence
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SC 13G/A File 005-32837

AMENDMENT NO. 17 TO SCHEDULE 13G

Filing date
23 May 2024
Reporting date
Not listed
SEC evidence
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424B5 File 333-267870

424B5 filing

Filing date
23 May 2024
Reporting date
Not listed
SEC evidence
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10-Q File 001-40023

10-Q filing

Filing date
15 May 2024
Reporting date
31 Mar 2024
Next action
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ARS File 001-40023

ARS filing

Filing date
29 Apr 2024
Reporting date
31 Dec 2023
SEC evidence
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DEFA14A File 001-40023

DEFA14A filing

Filing date
29 Apr 2024
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-40023

DEF 14A filing

Filing date
29 Apr 2024
Reporting date
29 Apr 2024
SEC evidence
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10-K File 001-40023

10-K filing

Filing date
26 Mar 2024
Reporting date
31 Dec 2023
Next action
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SC 13G/A File 005-32837

SC 13G/A filing

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
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DEFA14A File 001-40023

DEFA14A filing

Filing date
06 Nov 2023
Reporting date
Not listed
SEC evidence
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DEFA14A File 001-40023

DEFA14A filing

Filing date
06 Nov 2023
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-40023

DEF 14A filing

Filing date
06 Nov 2023
Reporting date
06 Nov 2023
SEC evidence
Open document Open filing
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10-Q File 001-40023

10-Q filing

Filing date
01 Nov 2023
Reporting date
30 Sep 2023
Next action
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PRE 14A File 001-40023

PRE 14A filing

Filing date
27 Oct 2023
Reporting date
27 Oct 2023
SEC evidence
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SC 13G File 005-32837

SCHEDULE 13G

Filing date
19 Sep 2023
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
15 Aug 2023
Reporting date
11 Aug 2023
SEC evidence
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4

4 filing

Filing date
15 Aug 2023
Reporting date
11 Aug 2023
SEC evidence
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10-Q File 001-40023

10-Q filing

Filing date
07 Aug 2023
Reporting date
30 Jun 2023
Next action
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4

4 filing

Filing date
21 Jun 2023
Reporting date
16 Jun 2023
SEC evidence
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10-Q File 001-40023

10-Q filing

Filing date
15 May 2023
Reporting date
31 Mar 2023
Next action
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DEFA14A File 001-40023

DEFA14A filing

Filing date
05 May 2023
Reporting date
Not listed
SEC evidence
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DEFR14A File 001-40023

DEFR14A filing

Filing date
05 May 2023
Reporting date
Not listed
SEC evidence
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3

3 filing

Filing date
04 May 2023
Reporting date
01 May 2023
SEC evidence
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DEF 14A File 001-40023

DEF 14A filing

Filing date
01 May 2023
Reporting date
01 May 2023
SEC evidence
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4

4 filing

Filing date
11 Apr 2023
Reporting date
11 Apr 2023
SEC evidence
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4

4 filing

Filing date
10 Apr 2023
Reporting date
06 Apr 2023
SEC evidence
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10-K File 001-40023

10-K filing

Filing date
30 Mar 2023
Reporting date
31 Dec 2022
Next action
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SC 13G File 005-32837

SC 13G filing

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
01 Feb 2023
Reporting date
27 Jan 2023
SEC evidence
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4

4 filing

Filing date
01 Feb 2023
Reporting date
27 Jan 2023
SEC evidence
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4

4 filing

Filing date
01 Feb 2023
Reporting date
27 Jan 2023
SEC evidence
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4

4 filing

Filing date
01 Feb 2023
Reporting date
27 Jan 2023
SEC evidence
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424B5 File 333-267870

424B5 filing

Filing date
04 Jan 2023
Reporting date
Not listed
SEC evidence
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10-Q File 001-40023

10-Q filing

Filing date
31 Oct 2022
Reporting date
30 Sep 2022
Next action
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EFFECT File 333-267870

EFFECT filing

Filing date
20 Oct 2022
Reporting date
Not listed
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
19 Oct 2022
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
18 Oct 2022
Reporting date
Not listed
SEC evidence
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S-3 File 333-267870

S-3 filing

Filing date
13 Oct 2022
Reporting date
Not listed
SEC evidence
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DEFA14A File 001-40023

DEFA14A filing

Filing date
04 Oct 2022
Reporting date
Not listed
SEC evidence
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8-K/A File 001-40023

8-K/A filing

Filing date
17 Aug 2022
Reporting date
08 Jun 2022
Next action
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DEF 14A File 001-40023

DEF 14A filing

Filing date
17 Aug 2022
Reporting date
17 Aug 2022
SEC evidence
Open document Open filing
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10-Q File 001-40023

10-Q filing

Filing date
15 Aug 2022
Reporting date
30 Jun 2022
Next action
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S-8 File 333-266316

S-8 filing

Filing date
25 Jul 2022
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
19 Jul 2022
Reporting date
15 Jul 2022
SEC evidence
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4

4 filing

Filing date
19 Jul 2022
Reporting date
15 Jul 2022
SEC evidence
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4

4 filing

Filing date
19 Jul 2022
Reporting date
15 Jul 2022
SEC evidence
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4

4 filing

Filing date
19 Jul 2022
Reporting date
15 Jul 2022
SEC evidence
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4

4 filing

Filing date
19 Jul 2022
Reporting date
15 Jul 2022
SEC evidence
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4

4 filing

Filing date
19 Jul 2022
Reporting date
15 Jul 2022
SEC evidence
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3

3 filing

Filing date
14 Jun 2022
Reporting date
09 Jun 2022
SEC evidence
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10-Q File 001-40023

10-Q filing

Filing date
16 May 2022
Reporting date
31 Mar 2022
Next action
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DEF 14A File 001-40023

DEF 14A filing

Filing date
29 Apr 2022
Reporting date
29 Apr 2022
SEC evidence
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PRE 14A File 001-40023

PRE 14A filing

Filing date
19 Apr 2022
Reporting date
19 Apr 2022
SEC evidence
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10-K File 001-40023

10-K filing

Filing date
28 Mar 2022
Reporting date
31 Dec 2021
Next action
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SC 13G/A File 005-32837

AMENDMENT NO. 16

Filing date
03 Mar 2022
Reporting date
Not listed
SEC evidence
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3

PRIMARY DOCUMENT

Filing date
18 Feb 2022
Reporting date
14 Feb 2022
SEC evidence
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4

FORM 4

Filing date
14 Feb 2022
Reporting date
16 Feb 2021
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
14 Feb 2022
Reporting date
16 Feb 2021
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
14 Feb 2022
Reporting date
31 Dec 2021
SEC evidence
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3

FORM 3

Filing date
14 Feb 2022
Reporting date
11 Nov 2020
SEC evidence
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3

PRIMARY DOCUMENT

Filing date
14 Feb 2022
Reporting date
28 Nov 2021
SEC evidence
Open document Open filing
Next action
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3

PRIMARY DOCUMENT

Filing date
14 Feb 2022
Reporting date
13 Jan 2021
SEC evidence
Open document Open filing
Next action
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SC 13G/A File 005-32837

SC 13G/A filing

Filing date
28 Jan 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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UPLOAD

UPLOAD filing

Filing date
26 Jan 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G/A File 005-32837

AMENDMENT NO. 6 TO SCHEDULE 13G

Filing date
18 Jan 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
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CORRESP

CORRESP filing

Filing date
29 Dec 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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10-Q/A File 001-40023

PRIMARY DOCUMENT

Filing date
29 Dec 2021
Reporting date
30 Jun 2021
Next action
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8-K File 001-40023

PRIMARY DOCUMENT

Filing date
23 Dec 2021
Reporting date
22 Dec 2021
Next action
Verify source filing
8-K File 001-40023

PRIMARY DOCUMENT

Filing date
21 Dec 2021
Reporting date
15 Dec 2021
Next action
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UPLOAD

UPLOAD filing

Filing date
15 Dec 2021
Reporting date
Not listed
SEC evidence
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8-K File 001-40023

PRIMARY DOCUMENT

Filing date
26 Nov 2021
Reporting date
23 Nov 2021
Next action
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4

PRIMARY DOCUMENT

Filing date
12 Nov 2021
Reporting date
16 Feb 2021
SEC evidence
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3

PRIMARY DOCUMENT

Filing date
12 Nov 2021
Reporting date
13 Jan 2021
SEC evidence
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8-K File 001-40023

PRIMARY DOCUMENT

Filing date
01 Nov 2021
Reporting date
01 Nov 2021
Next action
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4

FORM 4

Filing date
07 Oct 2021
Reporting date
16 Nov 2020
SEC evidence
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3

PRIMARY DOCUMENT

Filing date
07 Oct 2021
Reporting date
11 Nov 2020
SEC evidence
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8-K File 001-40023

CURRENT REPORT

Filing date
23 Sep 2021
Reporting date
17 Sep 2021
Next action
Verify source filing
8-K File 001-40023

CURRENT REPORT

Filing date
13 Sep 2021
Reporting date
13 Sep 2021
Next action
Verify source filing
NT 10-Q File 001-40023

NT 10-Q

Filing date
17 Aug 2021
Reporting date
30 Jun 2021
SEC evidence
Open document Open filing
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8-K File 001-40023

CURRENT REPORT

Filing date
19 May 2021
Reporting date
19 May 2021
SEC evidence
Open document Open filing
Next action
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10-Q File 001-40023

QUARTERLY REPORT

Filing date
17 May 2021
Reporting date
31 Mar 2021
Next action
Verify source filing
8-K File 001-40023

CURRENT REPORT

Filing date
29 Apr 2021
Reporting date
23 Apr 2021
SEC evidence
Open document Open filing
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EFFECT File 333-255429

EFFECT filing

Filing date
27 Apr 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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UPLOAD

UPLOAD filing

Filing date
23 Apr 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
23 Apr 2021
Reporting date
Not listed
SEC evidence
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EFFECT File 333-251311

EFFECT filing

Filing date
22 Apr 2021
Reporting date
Not listed
SEC evidence
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S-1 File 333-255429

FORM S-1

Filing date
22 Apr 2021
Reporting date
Not listed
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POS AM File 333-251311

POS AM

Filing date
22 Apr 2021
Reporting date
Not listed
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10-K File 001-40023

ANNUAL REPORT

Filing date
16 Apr 2021
Reporting date
31 Dec 2020
Next action
Verify source filing
8-K File 001-40023

CURRENT REPORT

Filing date
16 Apr 2021
Reporting date
14 Apr 2021
SEC evidence
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SC 13G/A File 005-32837

SC 13G/A filing

Filing date
16 Apr 2021
Reporting date
Not listed
SEC evidence
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NT 10-K File 001-40023

NT 10-K

Filing date
31 Mar 2021
Reporting date
31 Dec 2020
SEC evidence
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8-K File 001-40023

CURRENT REPORT

Filing date
22 Feb 2021
Reporting date
16 Feb 2021
SEC evidence
Open document Open filing
Next action
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8-K File 001-40023

CURRENT REPORT

Filing date
18 Feb 2021
Reporting date
17 Feb 2021
SEC evidence
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SC 13G File 005-32837

SC 13G filing

Filing date
17 Feb 2021
Reporting date
Not listed
SEC evidence
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8-K File 001-40023

CURRENT REPORT

Filing date
17 Feb 2021
Reporting date
16 Feb 2021
SEC evidence
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424B4 File 333-251311

424B4

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
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8-K File 001-40023

CURRENT REPORT

Filing date
11 Feb 2021
Reporting date
10 Feb 2021
SEC evidence
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EFFECT File 333-251311

EFFECT filing

Filing date
10 Feb 2021
Reporting date
Not listed
SEC evidence
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S-1MEF File 333-252973

S-1MEF

Filing date
10 Feb 2021
Reporting date
Not listed
SEC evidence
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CERT File 001-40023

CERT filing

Filing date
10 Feb 2021
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
09 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-40023

CURRENT REPORT

Filing date
09 Feb 2021
Reporting date
14 Dec 2020
SEC evidence
Open document Open filing
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SC 13G/A File 005-32837

AMENDMENT NO. 15

Filing date
08 Feb 2021
Reporting date
Not listed
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8-A12B File 001-40023

8-A12B

Filing date
08 Feb 2021
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
08 Feb 2021
Reporting date
Not listed
SEC evidence
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S-1/A File 333-251311

AMENDMENT NO 2

Filing date
08 Feb 2021
Reporting date
Not listed
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SC 13G/A File 005-32837

AMENDMENT NO. 5 TO SCHEDULE 13G

Filing date
05 Feb 2021
Reporting date
Not listed
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S-1/A File 333-251311

AMENDMENT NO 1

Filing date
02 Feb 2021
Reporting date
Not listed
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8-K File 000-08092

CURRENT REPORT

Filing date
02 Feb 2021
Reporting date
31 Jan 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
19 Jan 2021
Reporting date
13 Jan 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14C File 000-08092

PRIMARY DOCUMENT

Filing date
14 Jan 2021
Reporting date
30 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
31 Dec 2020
Reporting date
28 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
PRE 14C File 000-08092

PRE 14C

Filing date
30 Dec 2020
Reporting date
30 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
28 Dec 2020
Reporting date
22 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
23 Dec 2020
Reporting date
21 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
23 Dec 2020
Reporting date
22 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
18 Dec 2020
Reporting date
16 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
16 Dec 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
15 Dec 2020
Reporting date
11 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-239858

424B3

Filing date
19 Nov 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 000-08092

QUARTERLY REPORT

Filing date
13 Nov 2020
Reporting date
30 Sep 2020
Next action
Verify source filing
424B3 File 333-239858

PRIMARY DOCUMENT

Filing date
09 Nov 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
09 Nov 2020
Reporting date
06 Nov 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-239858

424B3

Filing date
04 Nov 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
04 Nov 2020
Reporting date
04 Nov 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-239858

424B3

Filing date
07 Oct 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
06 Oct 2020
Reporting date
05 Oct 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-239858

424B3

Filing date
22 Sep 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
22 Sep 2020
Reporting date
16 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-239858

PROSPECTUS SUPPLEMENT

Filing date
18 Aug 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q/A File 000-08092

AMENDED QUARTERLY REPORT

Filing date
18 Aug 2020
Reporting date
30 Jun 2020
Next action
Verify source filing
424B3 File 333-239858

424B3

Filing date
14 Aug 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 Aug 2020
Reporting date
30 Jun 2020
Next action
Verify source filing
424B3 File 333-239858

PRIMARY DOCUMENT

Filing date
30 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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EFFECT File 333-239858

EFFECT filing

Filing date
28 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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CORRESP

CORRESP filing

Filing date
24 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
D/A File 021-368883

D/A filing

Filing date
23 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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UPLOAD

UPLOAD filing

Filing date
22 Jul 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1 File 333-239858

REGISTRATION STATEMENT

Filing date
14 Jul 2020
Reporting date
Not listed
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
09 Jul 2020
Reporting date
07 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
23 Jun 2020
Reporting date
23 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
19 Jun 2020
Reporting date
19 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
D File 021-368883

D filing

Filing date
12 Jun 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G File 005-32837

SCHEDULE 13G

Filing date
10 Jun 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
04 Jun 2020
Reporting date
02 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
29 May 2020
Reporting date
29 May 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-32837

AMENDMENT NO. 13

Filing date
18 May 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
15 May 2020
Reporting date
31 Mar 2020
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
14 May 2020
Reporting date
13 May 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
10-K File 000-08092

ANNUAL REPORT

Filing date
27 Mar 2020
Reporting date
31 Dec 2019
Next action
Verify source filing
SC 13G/A File 005-32837

AMENDMENT NO. 12

Filing date
04 Feb 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G/A File 005-32837

AMENDMENT NO. 4 TO SCHEDULE 13G

Filing date
16 Jan 2020
Reporting date
Not listed
SEC evidence
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Next action
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 Nov 2019
Reporting date
30 Sep 2019
Next action
Verify source filing
EFFECT File 333-233748

EFFECT filing

Filing date
02 Oct 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
26 Sep 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
24 Sep 2019
Reporting date
19 Sep 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
20 Sep 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1 File 333-233748

REGISTRATION STATEMENT

Filing date
13 Sep 2019
Reporting date
Not listed
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
23 Aug 2019
Reporting date
20 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
16 Aug 2019
Reporting date
14 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
16 Aug 2019
Reporting date
14 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 Aug 2019
Reporting date
30 Jun 2019
Next action
Verify source filing
EFFECT File 333-232261

EFFECT filing

Filing date
12 Jul 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1/A File 333-232261

AMENDED REGISTRATION STATEMENT

Filing date
11 Jul 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
08 Jul 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
02 Jul 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1 File 333-232261

REGISTRATION STATEMENT

Filing date
21 Jun 2019
Reporting date
Not listed
Next action
Verify source filing
8-K File 000-08092

GTBP 8K ISSUANCE OF NOTES

Filing date
24 May 2019
Reporting date
22 May 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 000-08092

QUARTERLY REPORT

Filing date
15 May 2019
Reporting date
31 Mar 2019
Next action
Verify source filing
8-K File 000-08092

GTBP 8-K ITEM 3.02

Filing date
19 Apr 2019
Reporting date
19 Apr 2019
SEC evidence
Open document Open filing
Next action
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8-K File 000-08092

GTBP 8-K FILING OF CERTIFICATE OF DESIGNATION

Filing date
05 Apr 2019
Reporting date
04 Apr 2019
SEC evidence
Open document Open filing
Next action
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10-K File 000-08092

ANNUAL REPORT

Filing date
29 Mar 2019
Reporting date
31 Dec 2018
Next action
Verify source filing
8-K File 000-08092

GTBP 8-K RESIGNATION OF DIRECTORS AND APPOINTMENT OF CFO

Filing date
22 Mar 2019
Reporting date
20 Mar 2019
SEC evidence
Open document Open filing
Next action
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8-K File 000-08092

GTBP 8-K ITEM 5.02

Filing date
21 Mar 2019
Reporting date
15 Mar 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
19 Mar 2019
Reporting date
01 Feb 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-229667

EFFECT filing

Filing date
11 Mar 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
05 Mar 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
28 Feb 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3 File 333-229667

REGISTRATION STATEMENT

Filing date
14 Feb 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-32837

AMENDMENT NO. 3 TO SCHEDULE 13G

Filing date
13 Feb 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-223349

PROSPECTUS SUPPLEMENT

Filing date
13 Feb 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
13 Feb 2019
Reporting date
06 Feb 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-32837

SCHEDULE 13G AMENDMENT

Filing date
12 Feb 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
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8-K File 000-08092

CURRENT REPORT

Filing date
06 Feb 2019
Reporting date
04 Feb 2019
SEC evidence
Open document Open filing
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SC 13G/A File 005-32837

SC 13G/A2 JAMES W HEAVENER

Filing date
05 Feb 2019
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-32837

SC 13G/A JAMES W HEAVENER

Filing date
29 Jan 2019
Reporting date
Not listed
SEC evidence
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8-K File 000-08092

CURRENT REPORT

Filing date
07 Jan 2019
Reporting date
07 Jan 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
07 Jan 2019
Reporting date
07 Jan 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
15 Nov 2018
Reporting date
15 Nov 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 Nov 2018
Reporting date
30 Sep 2018
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
01 Nov 2018
Reporting date
01 Nov 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
16 Oct 2018
Reporting date
11 Oct 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
12 Oct 2018
Reporting date
09 Oct 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-223349

PROSPECTUS SUPPLEMENT

Filing date
09 Oct 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

FORM 8-K

Filing date
28 Sep 2018
Reporting date
24 Sep 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-223349

424B3

Filing date
21 Sep 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
07 Sep 2018
Reporting date
07 Sep 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
D File 021-319563

D filing

Filing date
17 Aug 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 Aug 2018
Reporting date
30 Jun 2018
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
03 Aug 2018
Reporting date
02 Aug 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
424B3 File 333-223349

424B3

Filing date
03 Aug 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
05 Jul 2018
Reporting date
02 Jul 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 000-08092

QUARTERLY REPORT

Filing date
15 May 2018
Reporting date
31 Mar 2018
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
14 May 2018
Reporting date
09 May 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 000-08092

CURRENT REPORT

Filing date
27 Apr 2018
Reporting date
23 Apr 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-223348

EFFECT filing

Filing date
22 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-223349

EFFECT filing

Filing date
22 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
21 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
21 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3/A File 333-223349

FORM S-3/A

Filing date
21 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3/A File 333-223348

FORM S-3/A

Filing date
21 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
3

PRIMARY DOCUMENT

Filing date
16 Mar 2018
Reporting date
16 Nov 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3/A File 333-223349

PRIMARY DOCUMENT

Filing date
15 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
15 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3/A File 333-223348

AMENDMENT TO REGISTRATION STATEMENT

Filing date
15 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K/A File 000-08092

CURRENT REPORT

Filing date
15 Mar 2018
Reporting date
19 Jul 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
12 Mar 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
12 Mar 2018
Reporting date
Not listed
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10-K File 000-08092

ANNUAL REPORT

Filing date
01 Mar 2018
Reporting date
31 Dec 2017
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S-3 File 333-223349

FORM S-3

Filing date
01 Mar 2018
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S-3 File 333-223348

REGISTRATION STATEMENT

Filing date
01 Mar 2018
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10-K/A File 000-08092

FORM 10-K/A

Filing date
28 Feb 2018
Reporting date
31 Dec 2016
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10-Q/A File 000-08092

FORM 10-Q/A

Filing date
28 Feb 2018
Reporting date
30 Sep 2016
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10-Q/A File 000-08092

FORM 10-Q/A

Filing date
28 Feb 2018
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30 Jun 2016
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10-Q/A File 000-08092

FORM 10-Q/A

Filing date
28 Feb 2018
Reporting date
31 Mar 2016
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10-K/A File 000-08092

FORM 10-K/A

Filing date
28 Feb 2018
Reporting date
31 Dec 2015
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8-K File 000-08092

CURRENT REPORT

Filing date
21 Feb 2018
Reporting date
14 Feb 2018
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SC 13G/A File 005-32837

SCHEDULE 13G AMENDMENT

Filing date
07 Feb 2018
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D File 021-304968

D filing

Filing date
06 Feb 2018
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8-K File 000-08092

CURRENT REPORT

Filing date
23 Jan 2018
Reporting date
22 Jan 2018
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8-K File 000-08092

CURRENT REPORT

Filing date
16 Jan 2018
Reporting date
16 Jan 2018
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SC 13G File 005-32837

SCHEDULE 13G MARK J SILVERMAN

Filing date
04 Dec 2017
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4

PRIMARY DOCUMENT

Filing date
01 Dec 2017
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01 Sep 2017
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3

PRIMARY DOCUMENT

Filing date
01 Dec 2017
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01 Sep 2017
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3

PRIMARY DOCUMENT

Filing date
01 Dec 2017
Reporting date
01 Sep 2017
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4

PRIMARY DOCUMENT

Filing date
01 Dec 2017
Reporting date
01 Sep 2017
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3

PRIMARY DOCUMENT

Filing date
01 Dec 2017
Reporting date
01 Sep 2017
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8-K File 000-08092

PRIMARY DOCUMENT

Filing date
16 Nov 2017
Reporting date
16 Nov 2017
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 Nov 2017
Reporting date
30 Sep 2017
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SC 13G File 005-32837

THEOREM GROUP LLC 13G FOR GT BIOPHARMA, INC.

Filing date
14 Nov 2017
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8-K File 000-08092

CURRENT REPORT

Filing date
12 Oct 2017
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10 Oct 2017
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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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D File 021-294767

D filing

Filing date
14 Sep 2017
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8-K File 000-08092

CURRENT REPORT

Filing date
05 Sep 2017
Reporting date
01 Sep 2017
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
11 Aug 2017
Reporting date
30 Jun 2017
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8-K File 000-08092

GT BIOPHARMA 8-K

Filing date
25 Jul 2017
Reporting date
17 Jul 2017
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RW File 333-213270

OXIS WITHDRAWAL OF REGISTRATION STATEMENT

Filing date
24 Jul 2017
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8-K File 000-08092

PRIMARY DOCUMENT

Filing date
26 Jun 2017
Reporting date
26 Jun 2017
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DEF 14C File 000-08092

OXIS DEF 14C

Filing date
12 May 2017
Reporting date
12 May 2017
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UPLOAD

UPLOAD filing

Filing date
09 May 2017
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Not listed
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PRER14C File 000-08092

OXIS PRE14C REVISION 3

Filing date
05 May 2017
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
28 Apr 2017
Reporting date
31 Mar 2017
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PRER14C File 000-08092

OXIS PRE 14C REVISION 2

Filing date
24 Apr 2017
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UPLOAD

UPLOAD filing

Filing date
20 Apr 2017
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Not listed
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PRER14C File 000-08092

OXIS REVISED PRE 14C

Filing date
14 Apr 2017
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UPLOAD

UPLOAD filing

Filing date
06 Apr 2017
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Not listed
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8-K File 000-08092

OXIS 8-K ITEM 8.01

Filing date
03 Apr 2017
Reporting date
03 Apr 2017
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10-K File 000-08092

ANNUAL REPORT

Filing date
31 Mar 2017
Reporting date
31 Dec 2016
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PRE 14C File 000-08092

OXIS PRE 14C TO EFFECT REVERSE SPLIT AND INCREASE AUTHORIZED SHARES

Filing date
24 Mar 2017
Reporting date
24 Mar 2017
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8-K File 000-08092

OXIS 8K ISSUANCE OF STOCK

Filing date
23 Mar 2017
Reporting date
20 Mar 2017
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8-K File 000-08092

OXIS 8-K STOCK ISSUANCE

Filing date
02 Mar 2017
Reporting date
24 Feb 2017
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8-K File 000-08092

OXIS 8-K ISSUANCE OF SECURITIES

Filing date
17 Feb 2017
Reporting date
14 Feb 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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Not listed
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S-1/A File 333-213270

OXIS S-1 AMENDMENT NO. 7

Filing date
10 Feb 2017
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Not listed
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SC 13G/A File 005-32837

SC 13G/A

Filing date
10 Feb 2017
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Not listed
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8-K File 000-08092

OXIS 8-K ISSUANCE OF UNREGISTERED SHARES

Filing date
09 Feb 2017
Reporting date
03 Feb 2017
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8-K File 000-08092

OXIS 8-K ISSUANCE OF STOCK

Filing date
03 Feb 2017
Reporting date
31 Jan 2017
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8-K File 000-08092

OXIS 8-K ISSUANCE OF STOCK

Filing date
27 Jan 2017
Reporting date
24 Jan 2017
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S-1/A File 333-213270

OXIS S-1 AMENDMENT 6

Filing date
24 Jan 2017
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Not listed
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8-K File 000-08092

OXIS 8-K ISSUANCE OF UNREGISTERED SECURITIES

Filing date
20 Jan 2017
Reporting date
17 Jan 2017
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8-K File 000-08092

OXIS 8-K ISSUANCE OF DEBENTURES

Filing date
13 Jan 2017
Reporting date
12 Jan 2017
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S-1/A File 333-213270

OXIS S-1 AMENDMENT NO. 5

Filing date
28 Dec 2016
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Not listed
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S-1/A File 333-213270

OXIS S-1 AMENDMENT NO. 4

Filing date
21 Nov 2016
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Not listed
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 Nov 2016
Reporting date
30 Sep 2016
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S-1/A File 333-213270

OXIS S-1 AMENDMENT NO. 3

Filing date
31 Oct 2016
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Not listed
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S-1/A File 333-213270

OXIS S-1 AMENDMENT NO. 2

Filing date
03 Oct 2016
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Not listed
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S-1/A File 333-213270

OXIS S-1 AMENDMENT NO. 1

Filing date
25 Aug 2016
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S-1 File 333-213270

OXIS FORM S-1

Filing date
24 Aug 2016
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
10 Aug 2016
Reporting date
30 Jun 2016
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8-K File 000-08092

OXIS 8-K ISSUANCE OF DEBENTURE

Filing date
09 Aug 2016
Reporting date
09 Aug 2016
SEC evidence
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8-K File 000-08092

CURRENT REPORT

Filing date
17 Jun 2016
Reporting date
13 Jun 2016
SEC evidence
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8-K File 000-08092

CURRENT REPORT

Filing date
03 Jun 2016
Reporting date
27 May 2016
SEC evidence
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
13 May 2016
Reporting date
31 Mar 2016
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4

OWNERSHIP DOCUMENT

Filing date
05 Apr 2016
Reporting date
04 Apr 2016
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SC 13G/A File 005-32837

AMENDMENT NO. 7

Filing date
05 Apr 2016
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Not listed
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10-K File 000-08092

ANNUAL REPORT

Filing date
30 Mar 2016
Reporting date
31 Dec 2015
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3

OWNERSHIP DOCUMENT

Filing date
02 Mar 2016
Reporting date
09 Feb 2016
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3

PRIMARY DOCUMENT

Filing date
23 Feb 2016
Reporting date
25 Jan 2016
SEC evidence
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8-K File 000-08092

OXIS 8-K AMENDMENT OF NOTE CONVERSION AGREEMENT

Filing date
19 Feb 2016
Reporting date
19 Feb 2016
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SC 13G File 005-32837

NONE

Filing date
18 Feb 2016
Reporting date
Not listed
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3

PRIMARY DOCUMENT

Filing date
12 Feb 2016
Reporting date
25 Jan 2016
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SC 13G File 005-32837

NONE

Filing date
09 Feb 2016
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Not listed
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SC 13G File 005-32837

SCHEDULE 13G

Filing date
26 Jan 2016
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Not listed
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SC 13D/A File 005-32837

AMENDED SCHEDULE 13D

Filing date
26 Jan 2016
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Not listed
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3

FORM 3

Filing date
25 Jan 2016
Reporting date
13 Jan 2016
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SC 13G/A File 005-32837

SCHEDULE 13G AMENDMENT

Filing date
25 Jan 2016
Reporting date
Not listed
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8-K File 000-08092

OXIS 8-K SALE OF UNREGISTERED SECURITIES

Filing date
22 Jan 2016
Reporting date
19 Jan 2016
SEC evidence
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8-K File 000-08092

CURRENT REPORT

Filing date
08 Jan 2016
Reporting date
08 Jan 2016
SEC evidence
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
13 Nov 2015
Reporting date
30 Sep 2015
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8-K File 000-08092

CURRENT REPORT

Filing date
26 Oct 2015
Reporting date
26 Oct 2015
SEC evidence
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8-K File 000-08092

OXIS 8-K DR. VALLERA LICENSE

Filing date
08 Sep 2015
Reporting date
03 Sep 2015
SEC evidence
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 Aug 2015
Reporting date
30 Jun 2015
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D File 021-244451

D filing

Filing date
27 Jul 2015
Reporting date
Not listed
SEC evidence
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DEF 14C File 000-08092

OXIS DEF 14C

Filing date
19 May 2015
Reporting date
19 May 2015
SEC evidence
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10-Q File 000-08092

QUARTERLY REPORT

Filing date
14 May 2015
Reporting date
31 Mar 2015
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PRE 14C File 000-08092

OXIS PRE 14C

Filing date
08 May 2015
Reporting date
08 May 2015
SEC evidence
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10-K File 000-08092

OXIS INTERNATIONAL ANNUAL REPORT 2014

Filing date
31 Mar 2015
Reporting date
31 Dec 2014
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D File 021-235943

D filing

Filing date
16 Mar 2015
Reporting date
Not listed
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8-K File 000-08092

OXIS 8-K FILED MARCH 13, 2015

Filing date
13 Mar 2015
Reporting date
10 Mar 2015
SEC evidence
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SC 13G/A File 005-32837

SCHEDULE 13G AMENDMENT

Filing date
11 Feb 2015
Reporting date
Not listed
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8-K File 000-08092

OXIS 8-K ACQUISITION OF XIE ASSETS BY SUB

Filing date
12 Jan 2015
Reporting date
12 Jan 2015
SEC evidence
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10-Q File 000-08092

OXIS INTERNATIONAL QUARTERLY REPORT

Filing date
08 Jan 2015
Reporting date
30 Sep 2014
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10-Q File 000-08092

OXIS INTERNATIONAL QUARTERLY REPORT

Filing date
08 Jan 2015
Reporting date
30 Jun 2014
Next action
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10-Q File 000-08092

OXIS INTERNATIONAL QUARTERLY REPORT

Filing date
08 Jan 2015
Reporting date
31 Mar 2014
Next action
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10-K File 000-08092

OXIS INTERNATIONAL ANNUAL REPORT

Filing date
08 Jan 2015
Reporting date
31 Dec 2013
Next action
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10-Q File 000-08092

OXIS INTERNATIONAL QUARTERLY REPORT

Filing date
17 Dec 2014
Reporting date
30 Sep 2013
Next action
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10-Q File 000-08092

OXIS INTERNATIONAL QUARTERLY REPORT

Filing date
12 Dec 2014
Reporting date
30 Jun 2013
Next action
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10-Q File 000-08092

OXIS INTERNATIONAL QUARTERLY REPORT

Filing date
10 Dec 2014
Reporting date
31 Mar 2013
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8-K File 000-08092

OXIS 8-K DEPARTURE AND APPOINTMENT OF OFFICERS

Filing date
20 Nov 2014
Reporting date
20 Nov 2014
SEC evidence
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10-K File 000-08092

OXIS INTERNATIONAL, INC. ANNUAL REPORT 2012

Filing date
18 Nov 2014
Reporting date
31 Dec 2012
Next action
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8-K File 000-08092

OXIS 8K ISSUANCE OF DEBENTURES AND ELECTION OF DIR AND CFO

Filing date
10 Nov 2014
Reporting date
04 Nov 2014
SEC evidence
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D File 021-222096

D filing

Filing date
31 Jul 2014
Reporting date
Not listed
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8-K File 000-08092

OXIS INTERNATIONAL, INC. CURRENT REPORT

Filing date
30 Jul 2014
Reporting date
24 Jul 2014
SEC evidence
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NT 10-K File 000-08092

OXIS NOTIFICATION OF LATE FILING

Filing date
01 Apr 2013
Reporting date
31 Dec 2012
SEC evidence
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SC 13G/A File 005-32837

SC 13G/A filing

Filing date
13 Feb 2013
Reporting date
Not listed
SEC evidence
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8-K File 000-08092

OXIS INTERNATIONAL CURRENT REPORT

Filing date
12 Dec 2012
Reporting date
07 Dec 2012
SEC evidence
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10-Q File 000-08092

OXIS QUARTERLY REPORT

Filing date
21 Nov 2012
Reporting date
30 Sep 2012
Next action
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NT 10-Q File 000-08092

OXIS NOTIFICATION OF LATE FILING

Filing date
15 Nov 2012
Reporting date
30 Sep 2012
SEC evidence
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8-K File 000-08092

OXIS INTERNATIONAL CURRENT REPORT

Filing date
06 Nov 2012
Reporting date
06 Nov 2012
SEC evidence
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8-K File 000-08092

OXIS INTERNATIONAL CURRENT REPORT

Filing date
24 Oct 2012
Reporting date
24 Oct 2012
SEC evidence
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10-Q/A File 000-08092

OXIS QUARTERLY REPORT AMENDMENT NO. 1

Filing date
13 Sep 2012
Reporting date
30 Jun 2012
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10-Q File 000-08092

OXIS QUARTERLY REPORT

Filing date
20 Aug 2012
Reporting date
30 Jun 2012
SEC evidence
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NT 10-Q File 000-08092

NOTIFICATION OF LATE FILING

Filing date
14 Aug 2012
Reporting date
30 Jun 2012
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
30 May 2012
Reporting date
01 Mar 2012
SEC evidence
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10-Q File 000-08092

OXIS 10-Q MARCH 31, 2012

Filing date
21 May 2012
Reporting date
31 Mar 2012
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NT 10-Q File 000-08092

NT 10-Q

Filing date
15 May 2012
Reporting date
31 Mar 2012
SEC evidence
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10-K File 000-08092

OXIS ANNUAL REPORT 2011

Filing date
16 Apr 2012
Reporting date
31 Dec 2011
Next action
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NT 10-K File 000-08092

OXIS NT 10-K 12-31-2011

Filing date
30 Mar 2012
Reporting date
31 Dec 2011
SEC evidence
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10-Q File 000-08092

OXIS QUARTERLY REPORT SEPT 30, 2011

Filing date
21 Nov 2011
Reporting date
30 Sep 2011
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NT 10-Q File 000-08092

OXIS NT 10-Q 9-30-2011

Filing date
15 Nov 2011
Reporting date
30 Sep 2011
SEC evidence
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8-K File 000-08092

OXIS CURRENT REPORT

Filing date
01 Nov 2011
Reporting date
01 Nov 2011
SEC evidence
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10-Q/A File 000-08092

OXIS QUARTERLY REPORT JUNE 30, 2011 AMENDED

Filing date
12 Sep 2011
Reporting date
30 Jun 2011
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4

PRIMARY DOCUMENT

Filing date
01 Sep 2011
Reporting date
31 Aug 2011
SEC evidence
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8-K File 000-08092

OXIS CURRENT REPORT

Filing date
31 Aug 2011
Reporting date
25 Aug 2011
SEC evidence
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10-Q File 000-08092

OXIS QUARTERLY REPORT JUNE 30, 2011

Filing date
22 Aug 2011
Reporting date
30 Jun 2011
SEC evidence
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NT 10-Q File 000-08092

OXIS NT 10-Q 6-30-2011

Filing date
15 Aug 2011
Reporting date
30 Jun 2011
SEC evidence
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DEF 14A File 000-08092

OXIS DEFINITIVE PROXY STATEMENT

Filing date
14 Jul 2011
Reporting date
13 Jul 2011
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
13 Jul 2011
Reporting date
Not listed
SEC evidence
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8-K File 000-08092

OXIS CURRENT REPORT

Filing date
12 Jul 2011
Reporting date
29 Jun 2011
SEC evidence
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CORRESP

CORRESP filing

Filing date
12 Jul 2011
Reporting date
Not listed
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
12 Jul 2011
Reporting date
Not listed
SEC evidence
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3

PRIMARY DOCUMENT

Filing date
11 Jul 2011
Reporting date
30 Jun 2011
SEC evidence
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Verify source filing
3

PRIMARY DOCUMENT

Filing date
07 Jul 2011
Reporting date
27 Jun 2011
SEC evidence
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8-K File 000-08092

OXIS CURRENT REPORT

Filing date
07 Jul 2011
Reporting date
30 Jun 2011
SEC evidence
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PRE 14A File 000-08092

PRELIMINARY PROXY MATERIALS

Filing date
01 Jul 2011
Reporting date
25 Aug 2011
SEC evidence
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8-K File 000-08092

OXIS CURRENT REPORT

Filing date
01 Jul 2011
Reporting date
27 Jun 2011
SEC evidence
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S-8 File 333-175228

OXIS FORM S-8

Filing date
29 Jun 2011
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
24 May 2011
Reporting date
20 May 2011
SEC evidence
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10-Q File 000-08092

OXIS FORM 10-Q 3-31-11

Filing date
16 May 2011
Reporting date
31 Mar 2011
SEC evidence
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10-K File 000-08092

OXIS INTERNATIONAL 2010 ANNUAL REPORT

Filing date
31 Mar 2011
Reporting date
31 Dec 2010
SEC evidence
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SC 13D/A File 005-32837

SCHEDULE 13D AMENDMENT

Filing date
29 Mar 2011
Reporting date
Not listed
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SC 13G/A File 005-32837

SCHEDULE 13G AMENDMENT

Filing date
15 Feb 2011
Reporting date
Not listed
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3

PRIMARY DOCUMENT

Filing date
08 Feb 2011
Reporting date
01 Jul 2010
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DEF 14C File 000-08092

OXIS SCHEDULE 14C

Filing date
20 Jan 2011
Reporting date
20 Jan 2011
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4

PRIMARY DOCUMENT

Filing date
19 Jan 2011
Reporting date
23 Dec 2010
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4

PRIMARY DOCUMENT

Filing date
19 Jan 2011
Reporting date
23 Dec 2010
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3/A

PRIMARY DOCUMENT

Filing date
19 Jan 2011
Reporting date
13 Oct 2009
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3/A

PRIMARY DOCUMENT

Filing date
19 Jan 2011
Reporting date
13 Oct 2009
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UPLOAD

UPLOAD filing

Filing date
19 Jan 2011
Reporting date
Not listed
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PRE 14C File 000-08092

OXIS INFORMATION STATEMENT 01-20-2011

Filing date
07 Jan 2011
Reporting date
20 Jan 2011
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CORRESP

CORRESP filing

Filing date
17 Dec 2010
Reporting date
Not listed
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UPLOAD

UPLOAD filing

Filing date
06 Dec 2010
Reporting date
Not listed
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10-Q File 000-08092

OXIS FORM 10-Q 9-30-2010

Filing date
12 Nov 2010
Reporting date
30 Sep 2010
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4

PRIMARY DOCUMENT

Filing date
02 Sep 2010
Reporting date
31 Aug 2010
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4

PRIMARY DOCUMENT

Filing date
30 Aug 2010
Reporting date
26 Aug 2010
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10-Q File 000-08092

OXIS FORM 10-Q 6-30-10

Filing date
16 Aug 2010
Reporting date
30 Jun 2010
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8-K File 000-08092

OXIS INTERNATIONAL CURRENT REPORT

Filing date
20 Jul 2010
Reporting date
14 Jul 2010
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4

PRIMARY DOCUMENT

Filing date
12 Jul 2010
Reporting date
07 Jul 2010
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8-K File 000-08092

OXIS INTERNATIONAL CURRENT REPORT

Filing date
17 Jun 2010
Reporting date
14 Jun 2010
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10-Q File 000-08092

OXIS FORM 10-Q 3-31-10

Filing date
14 May 2010
Reporting date
31 Mar 2010
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3

PRIMARY DOCUMENT

Filing date
06 Apr 2010
Reporting date
29 Mar 2010
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4

PRIMARY DOCUMENT

Filing date
06 Apr 2010
Reporting date
19 Jan 2010
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10-K File 000-08092

OXIS ANNUAL REPORT 2009

Filing date
30 Mar 2010
Reporting date
31 Dec 2009
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3

PRIMARY DOCUMENT

Filing date
25 Mar 2010
Reporting date
13 Oct 2009
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3

PRIMARY DOCUMENT

Filing date
25 Mar 2010
Reporting date
23 Oct 2009
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3

PRIMARY DOCUMENT

Filing date
22 Mar 2010
Reporting date
11 Mar 2010
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3

PRIMARY DOCUMENT

Filing date
22 Mar 2010
Reporting date
11 Mar 2010
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8-K File 000-08092

OXIS CURRENT REPORT

Filing date
15 Mar 2010
Reporting date
08 Mar 2010
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8-K File 000-08092

OXIS CURRENT REPORT

Filing date
05 Mar 2010
Reporting date
01 Mar 2010
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SC 13D File 005-32837

SCHEDULE 13D

Filing date
22 Feb 2010
Reporting date
Not listed
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SC 13G/A File 005-32837

AMENDED SCHEDULE 2

Filing date
16 Feb 2010
Reporting date
Not listed
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8-K File 000-08092

OXIS 8-K 02-02-2010

Filing date
16 Feb 2010
Reporting date
10 Feb 2010
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8-K File 000-08092

OXIS 8-K 01-15-10

Filing date
20 Jan 2010
Reporting date
15 Jan 2010
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About this filer

GT Biopharma, Inc. files with the SEC under CIK 0000109657. This page aggregates EDGAR filings and related ownership activity.

Industry: Pharmaceutical Preparations.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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