Synaptogenix, Inc.

Symbol
SNPX on Nasdaq
Business address
1185 Avenue Of The Americas, 3 Rd Floor, New York, NY, 10036
State of incorporation
DE
Fiscal year end
December 31
Former names
NEUROTROPE BIOSCIENCE, INC. (to 11/20/2020)
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Synaptogenix, Inc. has filed 223 SEC EDGAR filings since 3/13/2013

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
EFFECT Open Document Open Filing Nov 21, 2025 333-291468
DEF 14A Open Document | Data Open Filing DEF 14A Nov 17, 2025 Dec 18, 2025 001-40458
ARS Open Document Open Filing ARS Nov 17, 2025 Dec 31, 2024 001-40458
10-Q Open Document | Data Open Filing 10-Q Nov 14, 2025 Sep 30, 2025 001-40458
S-3 Open Document | Data Open Filing FORM S-3 Nov 12, 2025 333-291468
PRE 14A Open Document | Data Open Filing PRE 14A Nov 7, 2025 Nov 7, 2025 001-40458
D Open Document Open Filing Oct 24, 2025 021-562058
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 17, 2025 Aug 6, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 17, 2025 Aug 6, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 17, 2025 Aug 6, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 17, 2025 Aug 6, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 17, 2025 Oct 17, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 17, 2025 Aug 6, 2025
8-K Open Document | Data Open Filing FORM 8-K Oct 14, 2025 Oct 13, 2025 001-40458
3 Open Document Open Filing OWNERSHIP DOCUMENT Sep 24, 2025 Aug 29, 2025
8-K Open Document | Data Open Filing FORM 8-K Aug 29, 2025 Aug 26, 2025 001-40458
S-8 Open Document | Data Open Filing FORM S-8 Aug 14, 2025 333-289613
S-3 Open Document | Data Open Filing FORM S-3 Aug 14, 2025 333-289612
10-Q Open Document | Data Open Filing 10-Q Aug 14, 2025 Jun 30, 2025 001-40458
8-K Open Document | Data Open Filing FORM 8-K Aug 8, 2025 Aug 6, 2025 001-40458
8-K Open Document | Data Open Filing FORM 8-K Aug 6, 2025 Aug 6, 2025 001-40458
DEFA14A Open Document Open Filing DEFA14A Jul 18, 2025 001-40458
EFFECT Open Document Open Filing Jul 17, 2025 333-288647
8-K Open Document | Data Open Filing FORM 8-K Jul 17, 2025 Jul 17, 2025 001-40458
CORRESP Open Document Open Filing Jul 15, 2025
UPLOAD Open Document Open Filing Jul 15, 2025 333-288647
S-3 Open Document Open Filing FORM S-3 Jul 11, 2025 333-288647
DEF 14A Open Document Open Filing DEF 14A Jul 7, 2025 Aug 6, 2025 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 2, 2025 Jun 30, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 2, 2025 Jun 30, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 2, 2025 Jun 30, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 2, 2025 Jun 30, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 2, 2025 Jun 30, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 2, 2025 Jun 30, 2025
PRE 14A Open Document Open Filing PRE 14A Jun 27, 2025 Jun 27, 2025 001-40458
8-K Open Document | Data Open Filing FORM 8-K Jun 27, 2025 Jun 26, 2025 001-40458
8-K Open Document | Data Open Filing FORM 8-K Jun 24, 2025 Jun 24, 2025 001-40458
D Open Document Open Filing Jun 23, 2025 021-549606
8-K Open Document | Data Open Filing FORM 8-K Jun 9, 2025 Jun 4, 2025 001-40458
10-Q Open Document | Data Open Filing 10-Q May 15, 2025 Mar 31, 2025 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 7, 2025 Apr 3, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 7, 2025 Apr 3, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 7, 2025 Apr 3, 2025
10-K Open Document | Data Open Filing 10-K Mar 27, 2025 Dec 31, 2024 001-40458
8-K Open Document | Data Open Filing FORM 8-K Dec 20, 2024 Dec 16, 2024 001-40458
8-K Open Document | Data Open Filing FORM 8-K Dec 6, 2024 Dec 6, 2024 001-40458
DEFA14A Open Document Open Filing DEFA14A Nov 20, 2024 001-40458
10-Q Open Document | Data Open Filing 10-Q Nov 12, 2024 Sep 30, 2024 001-40458
DEF 14A Open Document Open Filing DEF 14A Nov 7, 2024 Dec 6, 2024 001-40458
ARS Open Document Open Filing ARS Nov 5, 2024 Dec 31, 2023 001-40458
PRE 14A Open Document Open Filing PRE 14A Oct 28, 2024 Oct 28, 2024 001-40458
EFFECT Open Document Open Filing Oct 21, 2024 333-282589
CORRESP Open Document Open Filing Oct 17, 2024
UPLOAD Open Document Open Filing Oct 16, 2024 333-282589
S-3 Open Document Open Filing FORM S-3 Oct 10, 2024 333-282589
8-K Open Document | Data Open Filing FORM 8-K Oct 4, 2024 Sep 30, 2024 001-40458
D Open Document Open Filing Sep 23, 2024 021-524733
8-K Open Document | Data Open Filing FORM 8-K Sep 13, 2024 Sep 12, 2024 001-40458
424B5 Open Document Open Filing 424B5 Sep 12, 2024 333-264325
8-K Open Document | Data Open Filing FORM 8-K Sep 11, 2024 Sep 10, 2024 001-40458
8-K Open Document | Data Open Filing FORM 8-K Sep 9, 2024 Sep 3, 2024 001-40458
10-Q Open Document | Data Open Filing 10-Q Aug 14, 2024 Jun 30, 2024 001-40458
8-K Open Document | Data Open Filing FORM 8-K Jun 21, 2024 Jun 20, 2024 001-40458
10-Q Open Document | Data Open Filing 10-Q May 15, 2024 Mar 31, 2024 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 10, 2024 Apr 8, 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 10, 2024 Apr 8, 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 10, 2024 Apr 8, 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 10, 2024 Apr 8, 2024
8-K Open Document | Data Open Filing FORM 8-K Apr 4, 2024 Apr 4, 2024 001-40458
10-K Open Document | Data Open Filing 10-K Apr 1, 2024 Dec 31, 2023 001-40458
SC 13G/A Open Document Open Filing AMENDMENT NO. 3 TO SCHEDULE 13G Feb 6, 2024 005-92165
8-K Open Document | Data Open Filing FORM 8-K Dec 21, 2023 Dec 20, 2023 001-40458
ARS Open Document Open Filing ARS Nov 14, 2023 Dec 31, 2022 001-40458
10-Q Open Document | Data Open Filing 10-Q Nov 14, 2023 Sep 30, 2023 001-40458
DEF 14A Open Document Open Filing DEF 14A Nov 13, 2023 Dec 20, 2023 001-40458
8-K Open Document | Data Open Filing FORM 8-K Nov 6, 2023 Oct 31, 2023 001-40458
PRE 14A Open Document Open Filing PRE 14A Nov 3, 2023 Dec 20, 2023 001-40458
8-K Open Document | Data Open Filing FORM 8-K Sep 22, 2023 Sep 22, 2023 001-40458
10-Q Open Document | Data Open Filing 10-Q Aug 14, 2023 Jun 30, 2023 001-40458
8-K Open Document | Data Open Filing FORM 8-K Jul 19, 2023 Jul 19, 2023 001-40458
8-K Open Document | Data Open Filing FORM 8-K Jun 22, 2023 Jun 16, 2023 001-40458
10-Q Open Document | Data Open Filing 10-Q May 15, 2023 Mar 31, 2023 001-40458
8-K Open Document | Data Open Filing FORM 8-K Apr 28, 2023 Apr 24, 2023 001-40458
8-K Open Document | Data Open Filing FORM 8-K Apr 14, 2023 Apr 14, 2023 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 31, 2023 Mar 29, 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 31, 2023 Mar 29, 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 31, 2023 Mar 29, 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 31, 2023 Mar 29, 2023
DEF 14A Open Document Open Filing DEF 14A Mar 27, 2023 Apr 14, 2023 001-40458
10-K Open Document | Data Open Filing 10-K Mar 21, 2023 Dec 31, 2022 001-40458
PRE 14A Open Document Open Filing PRE 14A Mar 17, 2023 Mar 17, 2023 001-40458
8-K Open Document | Data Open Filing FORM 8-K Mar 7, 2023 Mar 7, 2023 001-40458
8-K Open Document | Data Open Filing FORM 8-K Feb 17, 2023 Feb 16, 2023 001-40458
SC 13G/A Open Document Open Filing AMENDMENT NO. 2 TO SCHEDULE 13G Feb 8, 2023 005-92165
SC 13G/A Open Document Open Filing SC 13G/A Jan 18, 2023 005-92165
DEF 14A Open Document Open Filing DEF 14A Jan 9, 2023 Feb 16, 2023 001-40458
PRE 14A Open Document Open Filing PRE 14A Dec 28, 2022 Dec 28, 2022 001-40458
8-K Open Document | Data Open Filing FORM 8-K Dec 28, 2022 Dec 27, 2022 001-40458
424B3 Open Document Open Filing 424B3 Dec 28, 2022 333-268831
EFFECT Open Document Open Filing Dec 27, 2022 333-268831
CORRESP Open Document Open Filing Dec 22, 2022
UPLOAD Open Document Open Filing Dec 22, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 20, 2022 Dec 16, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 20, 2022 Dec 16, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 20, 2022 Dec 16, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 20, 2022 Dec 16, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 20, 2022 Dec 16, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 20, 2022 Dec 16, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 20, 2022 Dec 16, 2022
S-3 Open Document Open Filing FORM S-3 Dec 16, 2022 333-268831
8-K Open Document | Data Open Filing FORM 8-K Dec 16, 2022 Dec 16, 2022 001-40458
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 1, 2022 Nov 15, 2022
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 1, 2022 Jul 13, 2021
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 1, 2022 Jul 13, 2021
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 1, 2022 Nov 15, 2022
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 1, 2022 Nov 15, 2022
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 1, 2022 Nov 15, 2022
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 1, 2022 Nov 15, 2022
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 1, 2022 Nov 15, 2022
S-8 Open Document Open Filing FORM S-8 Nov 22, 2022 333-268518
8-K Open Document | Data Open Filing FORM 8-K Nov 22, 2022 Nov 21, 2022 001-40458
8-K Open Document | Data Open Filing FORM 8-K Nov 18, 2022 Nov 17, 2022 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2022 Nov 15, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2022 Nov 15, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2022 Nov 15, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2022 Nov 15, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2022 Nov 15, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2022 Nov 15, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 17, 2022 Nov 15, 2022
10-Q Open Document | Data Open Filing 10-Q Nov 10, 2022 Sep 30, 2022 001-40458
8-K Open Document | Data Open Filing FORM 8-K Oct 13, 2022 Oct 11, 2022 001-40458
DEFA14A Open Document Open Filing DEFA14A Aug 25, 2022 001-40458
DEF 14A Open Document Open Filing DEF 14A Aug 25, 2022 Oct 11, 2022 001-40458
8-K Open Document | Data Open Filing FORM 8-K Aug 16, 2022 Aug 10, 2022 001-40458
10-Q Open Document | Data Open Filing 10-Q Aug 5, 2022 Jun 30, 2022 001-40458
4/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 23, 2022 Apr 5, 2022
4/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 23, 2022 Apr 5, 2022
4/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 23, 2022 Apr 5, 2022
4/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 23, 2022 Apr 5, 2022
10-Q Open Document | Data Open Filing 10-Q May 13, 2022 Mar 31, 2022 001-40458
EFFECT Open Document Open Filing Apr 27, 2022 333-264325
CORRESP Open Document Open Filing Apr 25, 2022
UPLOAD Open Document Open Filing Apr 21, 2022
S-3 Open Document Open Filing FORM S-3 Apr 15, 2022 333-264325
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 6, 2022 Apr 5, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 6, 2022 Apr 5, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 6, 2022 Apr 5, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 6, 2022 Apr 5, 2022
10-K Open Document | Data Open Filing 10-K Mar 29, 2022 Dec 31, 2021 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 22, 2022 Feb 16, 2022
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Feb 11, 2022 005-92165
SC 13G/A Open Document Open Filing SC 13G/A Feb 10, 2022 005-92165
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13G Jan 31, 2022 005-92165
10-Q Open Document | Data Open Filing FORM 10-Q Nov 12, 2021 Sep 30, 2021 001-40458
8-K Open Document | Data Open Filing FORM 8-K Oct 1, 2021 Sep 30, 2021 001-40458
10-Q Open Document | Data Open Filing FORM 10-Q Aug 13, 2021 Jun 30, 2021 001-40458
S-8 Open Document Open Filing FORM S-8 Aug 13, 2021 333-258807
8-K Open Document Open Filing FORM 8-K Jul 16, 2021 Jul 13, 2021 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 15, 2021 Jul 13, 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 15, 2021 Jul 13, 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 15, 2021 Jul 13, 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 15, 2021 Jul 13, 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 15, 2021 Jul 13, 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 15, 2021 Jul 13, 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 15, 2021 Jul 13, 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 15, 2021 Jul 13, 2021
SC 13G Open Document Open Filing SCHEDULE 13G Jul 7, 2021 005-92165
424B3 Open Document Open Filing 424B3 Jul 7, 2021 333-257364
EFFECT Open Document Open Filing Jul 6, 2021 333-257364
CORRESP Open Document Open Filing Jul 2, 2021
S-1/A Open Document Open Filing FORM S-1/A Jul 2, 2021 333-257364
UPLOAD Open Document Open Filing Jul 1, 2021
D Open Document Open Filing Jun 29, 2021 021-404539
SC 13G Open Document Open Filing SCHEDULE 13G Jun 25, 2021 005-92165
S-1 Open Document Open Filing FORM S-1 Jun 24, 2021 333-257364
8-K Open Document Open Filing FORM 8-K Jun 21, 2021 Jun 21, 2021 001-40458
3/A Open Document Open Filing OWNERSHIP DOCUMENT Jun 17, 2021 Jun 4, 2021
8-K Open Document Open Filing FORM 8-K Jun 16, 2021 Jun 14, 2021 001-40458
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 16, 2021 Jun 14, 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 16, 2021 Jun 14, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2021 Jun 4, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2021 Jun 4, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2021 Jun 4, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2021 Jun 4, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2021 Jun 4, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2021 Jun 4, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2021 Jun 4, 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 14, 2021 Jun 4, 2021
CERT Open Document Open Filing Jun 7, 2021 001-40458
8-A12B Open Document Open Filing 8-A12B Jun 4, 2021 001-40458
10-Q Open Document | Data Open Filing FORM 10-Q May 14, 2021 Mar 31, 2021 333-249434
8-K Open Document Open Filing FORM 8-K Apr 30, 2021 Apr 30, 2021 333-249434
SC 13G Open Document Open Filing SCHEDULE 13G Apr 30, 2021 005-92165
424B3 Open Document Open Filing 424B3 Apr 30, 2021 333-252822
EFFECT Open Document Open Filing Apr 29, 2021 333-252822
CORRESP Open Document Open Filing Apr 27, 2021
S-1/A Open Document Open Filing FORM S-1/A Apr 13, 2021 333-252822
8-K Open Document Open Filing FORM 8-K Apr 8, 2021 Apr 7, 2021 333-249434
10-K Open Document | Data Open Filing FORM 10-K Mar 30, 2021 Dec 31, 2020 333-249434
DEF 14A Open Document Open Filing DEF 14A Mar 12, 2021 Apr 7, 2021 333-249434
PRE 14A Open Document Open Filing PRE 14A Mar 1, 2021 Apr 2, 2021 333-249434
8-K Open Document Open Filing FORM 8-K Feb 17, 2021 Feb 17, 2021 333-249434
D Open Document Open Filing Feb 12, 2021 021-389431
SC 13G/A Open Document Open Filing SC 13G/A Feb 12, 2021 005-92165
S-1 Open Document Open Filing FORM S-1 Feb 8, 2021 333-252822
8-K Open Document Open Filing FORM 8-K Jan 22, 2021 Jan 21, 2021 333-249434
8-K Open Document Open Filing FORM 8-K Jan 19, 2021 Jan 13, 2021 333-249434
10-Q Open Document | Data Open Filing FORM 10-Q Dec 23, 2020 Sep 30, 2020 333-249434
8-K Open Document Open Filing FORM 8-K Dec 16, 2020 Dec 15, 2020 333-249434
8-K Open Document Open Filing FORM 8-K Dec 10, 2020 Dec 6, 2020 333-249434
424B3 Open Document Open Filing 424B3 Nov 20, 2020 333-249434
424B1 Open Document Open Filing 424B1 Nov 12, 2020 333-249434
EFFECT Open Document Open Filing Nov 9, 2020 333-249434
CORRESP Open Document Open Filing Nov 6, 2020
CORRESP Open Document Open Filing Nov 5, 2020
S-1/A Open Document Open Filing S-1/A Nov 5, 2020 333-249434
S-1/A Open Document Open Filing S-1/A Oct 30, 2020 333-249434
CORRESP Open Document Open Filing Oct 9, 2020
S-1 Open Document Open Filing S-1 Oct 9, 2020 333-249434
UPLOAD Open Document Open Filing Aug 25, 2020
DRS Open Document Open Filing Jul 30, 2020 377-03348