OCTAVE SPECIALTY GROUP INC — SC 13G/A Filings
87 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by OCTAVE SPECIALTY GROUP INC (OSG), sorted by most recent first. Each row links to the full filing on EdgarLookup. OCTAVE SPECIALTY GROUP INC has filed 87 SC 13G/A documents with the SEC since 2010. To view all SEC filings by OCTAVE SPECIALTY GROUP INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
144
15-12B
25
25-NSE
3
3/A
4
4/A
424B2
424B3
424B5
5
5/A
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERT
CERTNAS
CERTNYS
CORRESP
DEF 14A
DEFA14A
DEFC14A
DEFM14A
DEFR14A
DEL AM
DFAN14A
FWP
NO ACT
NT 10-K
NT 10-Q
NT 11-K
POSASR
PRE 14A
PREC14A
PREM14A
PRRN14A
RW
S-3
S-3/A
S-3ASR
S-3MEF
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | — | 0000932471-24-000841 | Nov 12, 2024 | — |
| SC 13G/A | — | 0000932471-24-000203 | Nov 4, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-020242 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-000817 | Jan 22, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-015267 | Feb 9, 2023 | — |
| SC 13G/A | — | 0001306550-23-004403 | Jan 26, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-016439 | Feb 9, 2022 | — |
| SC 13G/A | — | 0000834237-22-002113 | Jan 27, 2022 | — |
| SC 13G/A | — | 0000834237-22-000557 | Jan 25, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-049164 | Apr 12, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-017401 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000834237-21-001259 | Jan 26, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-058723 | May 8, 2020 | — |
| SC 13G/A | AMENDMENT NO. 2 TO SCHEDULE 13G | 0000921895-20-000465 | Feb 14, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-017475 | Feb 12, 2020 | — |
| SC 13G/A | — | 0000834237-20-001521 | Feb 4, 2020 | — |
| SC 13G/A | AMENDMENT NO. 1 TO SCHEDULE 13G | 0000921895-19-000371 | Feb 14, 2019 | — |
| SC 13G/A | — | 0000932471-19-006203 | Feb 13, 2019 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-19-000998 | Feb 8, 2019 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001258897-18-001006 | Feb 9, 2018 | — |
| SC 13G/A | — | 0001086364-14-002056 | Feb 7, 2014 | — |
| SC 13G/A | — | 0000932471-11-001105 | Feb 10, 2011 | — |
| SC 13G/A | — | 0001086364-10-009212 | May 10, 2010 | — |
| SC 13G/A | DOC ONE | 0000315066-09-002405 | Mar 10, 2009 | — |
| SC 13G/A | DOC ONE | 0000315066-09-001434 | Feb 17, 2009 | — |
| SC 13G/A | AMENDMENT NUMBER 1 TO SCHEDULE 13G | 0001005477-09-001020 | Feb 17, 2009 | — |
| SC 13G/A | — | 0001036325-09-000002 | Feb 13, 2009 | — |
| SC 13G/A | — | 0000766524-09-000009 | Feb 13, 2009 | — |
| SC 13G/A | SCHEDULE 13G/AMENDMENT NO. 1 | 0001362310-09-001426 | Feb 9, 2009 | — |
| SC 13G/A | DOC ONE | 0000315066-08-004531 | Dec 10, 2008 | — |
| SC 13G/A | — | 0001036325-08-000054 | Jun 10, 2008 | — |
| SC 13G/A | — | 0000093748-08-000108 | May 7, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-08-002470 | Apr 10, 2008 | — |
| SC 13G/A | — | 0000769993-08-000611 | Feb 27, 2008 | — |
| SC 13G/A | SCHEDULE 13G AMENDMENT NO. 1 | 0001193125-08-027469 | Feb 12, 2008 | — |
| SC 13G/A | — | 0001036325-08-000012 | Feb 12, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-07-001438 | Feb 14, 2007 | — |
| SC 13G/A | SEC FILING | 0000902219-07-000580 | Feb 14, 2007 | — |
| SC 13G/A | DOC ONE | 0000315066-06-005137 | Oct 10, 2006 | — |
| SC 13G/A | DOC ONE | 0000315066-06-002154 | Feb 14, 2006 | — |
| SC 13G/A | SEC FILING | 0000902219-06-000660 | Feb 14, 2006 | — |
| SC 13G/A | DOC ONE | 0000902219-05-000630 | Feb 14, 2005 | — |
| SC 13G/A | DOC ONE | 0000315066-05-000361 | Feb 14, 2005 | — |
| SC 13G/A | DOC ONE | 0000315066-05-000184 | Feb 10, 2005 | — |
| SC 13G/A | DOC ONE | 0000902219-04-000553 | Feb 12, 2004 | — |
| SC 13G/A | AMBAC FINANCIAL GROUP, INC. 13G A 3 | 0000769993-04-000081 | Feb 11, 2004 | — |
| SC 13G/A | YEAR-END 13G AMENDMENT NO. 2 ABK | 0000769993-03-000193 | Feb 12, 2003 | — |
| SC 13G/A | — | 0000902219-03-000556 | Feb 12, 2003 | — |
| SC 13G/A | AMENDMENT NO. 1 TO THE SCHEDULE 13G | 0000769993-02-000191 | Feb 14, 2002 | — |
| SC 13G/A | DOC ONE | 0000315066-01-500120 | May 10, 2001 | — |