AmBase Corp — SC 13D/A Filings
25 SC 13D/A filings on record
This page lists all SC 13D/A filings submitted to the SEC by AmBase Corp (ABCP), sorted by most recent first. Each row links to the full filing on EdgarLookup. AmBase Corp has filed 25 SC 13D/A documents with the SEC since 1996. To view all SEC filings by AmBase Corp, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
3
4
4/A
5
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
PRE 14A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13D/A | SC 13D/A | 0001140361-24-023798 | May 1, 2024 | — |
| SC 13D/A | SC 13D/A | 0001140361-24-017043 | Apr 1, 2024 | — |
| SC 13D/A | — | 0001493152-24-011373 | Mar 26, 2024 | — |
| SC 13D/A | — | 0001493152-24-009863 | Mar 13, 2024 | — |
| SC 13D/A | SC 13D/A | 0001140361-24-012291 | Mar 8, 2024 | — |
| SC 13D/A | — | 0001493152-24-007747 | Feb 23, 2024 | — |
| SC 13D/A | — | 0001493152-24-007272 | Feb 20, 2024 | — |
| SC 13D/A | — | 0001493152-23-030525 | Aug 29, 2023 | — |
| SC 13D/A | — | 0001493152-23-019615 | May 31, 2023 | — |
| SC 13D/A | SC 13D/A | 0001140361-21-003556 | Feb 5, 2021 | — |
| SC 13D/A | AMENDMENT NO. 4 TO THE SCHEDULE 13D | 0001013594-20-000010 | Jan 8, 2020 | — |
| SC 13D/A | AMENDMENT NO. 3 TO THE SCHEDULE 13D | 0001013594-18-000589 | Oct 17, 2018 | — |
| SC 13D/A | SEPTEMBER 20, 2018 | 0001013594-18-000541 | Sep 21, 2018 | — |
| SC 13D/A | FEBRUARY 21, 2018 | 0001013594-18-000168 | Feb 21, 2018 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT | 0001362310-09-004027 | Mar 19, 2009 | — |
| SC 13D/A | SCHEDULE 13D | 0000932214-06-000371 | Oct 27, 2006 | — |
| SC 13D/A | SCHEDULE 13-D | 0000932214-06-000370 | Oct 27, 2006 | — |
| SC 13D/A | RAB - SCHEDULE 13D | 0000020639-06-000034 | Oct 19, 2006 | — |
| SC 13D/A | AMENDMENT TO 13-D | 0001221825-05-000072 | Oct 5, 2005 | — |
| SC 13D/A | AMENDMENT TO 13D | 0001221825-05-000071 | Oct 5, 2005 | — |
| SC 13D/A | AMENDMENT NO. 3 TO SCHEDULE 13D | 0000899140-98-000439 | Oct 14, 1998 | — |
| SC 13D/A | — | 0000899983-98-000013 | Apr 22, 1998 | — |
| SC 13D/A | — | 0000899983-98-000010 | Apr 3, 1998 | — |
| SC 13D/A | AMENDMENT NO. 2 TO SCHEDULE 13D | 0000899140-97-000134 | Jan 28, 1997 | — |
| SC 13D/A | AMENDMENT NO. 1 | 0000899140-96-000627 | Dec 19, 1996 | — |