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 | SCHEDULE 13G - 02-14-01 - AMBAC FINANCIAL GROUP | 0000315066-01-000098 | Feb 13, 2001 | — |
| SC 13G/A | AMBAC, INC. | 0000734072-00-500025 | Nov 13, 2000 | — |
| SC 13G/A | — | 0001125282-00-000325 | Nov 8, 2000 | — |
| SC 13G/A | SCHEDULE 13G - 02-14-00 - AMBAC FINANCIAL GROUP | 0000315066-00-000069 | Feb 11, 2000 | — |
| SC 13G/A | — | 0000889812-00-000414 | Feb 8, 2000 | — |
| SC 13G/A | — | 0000068100-00-000006 | Jan 10, 2000 | — |
| SC 13G/A | SCHEDULE 13G AMBAC INC. | 0000734072-00-000001 | Jan 3, 2000 | — |
| SC 13G/A | SCHEDULE 13G - 09-10-99 - AMBAC FINANCIAL GROUP | 0000315066-99-001477 | Sep 10, 1999 | — |
| SC 13G/A | — | 0000068100-99-000195 | Mar 12, 1999 | — |
| SC 13G/A | — | 0000068100-99-000047 | Feb 22, 1999 | — |
| SC 13G/A | SCHEDULE 13G - 02-01-99 - AMBAC FINANCIAL GROUP | 0000315066-99-000951 | Feb 16, 1999 | — |
| SC 13G/A | — | 0000889812-99-000334 | Feb 5, 1999 | — |
| SC 13G/A | — | 0000068100-98-000048 | Feb 13, 1998 | — |
| SC 13G/A | AMENDMENT NO. 3 TO 13G | 0000872323-98-000013 | Feb 11, 1998 | — |
| SC 13G/A | — | 0000813917-98-000019 | Feb 11, 1998 | — |
| SC 13G/A | — | 0000889812-98-000212 | Feb 4, 1998 | — |
| SC 13G/A | SCHEDULE 13G AMBAC INC. | 0000734072-98-000001 | Jan 5, 1998 | — |
| SC 13G/A | — | 0000944808-97-000195 | Jul 25, 1997 | — |
| SC 13G/A | 13G JUNE 30, 1997 | 0000068100-97-000562 | Jul 9, 1997 | — |
| SC 13G/A | SCHEDULE 13G - AMENDMENT NO. 1 | 0000950172-97-000128 | Feb 14, 1997 | — |
| SC 13G/A | AMENDMENT NO. 2 TO 13G | 0000872323-97-000003 | Feb 11, 1997 | — |
| SC 13G/A | — | 0000813917-97-000001 | Feb 5, 1997 | — |
| SC 13G/A | — | 0000068100-97-000266 | Jan 31, 1997 | — |
| SC 13G/A | — | 0000889812-97-000204 | Jan 30, 1997 | — |
| SC 13G/A | SCHEDULE 13G AMBAC INC. | 0000734072-97-000014 | Jan 9, 1997 | — |
| SC 13G/A | SCHEDULE 13G AMBAC INC. | 0000734072-96-000182 | Aug 9, 1996 | — |
| SC 13G/A | — | 0000068100-96-000224 | Feb 15, 1996 | — |
| SC 13G/A | — | 0000093758-96-000002 | Feb 13, 1996 | — |
| SC 13G/A | AMENDMENT NO. 1 TO 13G | 0000872323-96-000001 | Feb 6, 1996 | — |
| SC 13G/A | — | 0000813917-96-000013 | Feb 6, 1996 | — |
| SC 13G/A | — | 0000728618-96-000004 | Feb 1, 1996 | — |
| SC 13G/A | SCHEDULE 13G | 0000734072-96-000001 | Jan 3, 1996 | — |
| SC 13G/A | — | 0000813917-95-000041 | Oct 10, 1995 | — |
| SC 13G/A | 13G MAY, 1995 | 0000068100-95-000319 | Jun 9, 1995 | — |
| SC 13G/A | — | 0000068100-95-000055 | Feb 15, 1995 | — |
| SC 13G/A | — | 0000813917-95-000012 | Feb 10, 1995 | — |
| SC 13G/A | AMBAC INC. SCHEDULE 13G | 0000064782-94-000065 | Feb 9, 1994 | — |