OCTAVE SPECIALTY GROUP INC

OSG · Surety Insurance

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Latest available SEC filing: 4 ·

Latest disclosures

All company filings

Institutional holders by security

Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.

  • OSG · 023139884 - Common Stock
Company details and SEC sources

CIK 0000874501 · SEC filing index. Filing dates describe disclosures, not live market data.

Listed symbols
OSG on NYSE
At a glance Names, identifiers, and filing context for this profile. 2 identity fields
SEC industry group
Surety Insurance (Office of Finance)
Business address
40 Wall Street, 55 Th Floor, New York, NY, 10005
EDGAR profile Static EDGAR fields kept behind disclosure so the main profile stays readable. 3 profile fields available
Incorporated in
DE
Fiscal year end
31 December
Former names on EDGAR
AMBAC FINANCIAL GROUP INC (to 10 Nov 2025), AMBAC INC /DE/ (to 02 Jan 1998)
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