OSG insider trading

NYSE Financial Services

OCTAVE SPECIALTY GROUP INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
696
Last 90 days
26
Buys / sells
15% / 20%
Market cap
$252.03M

About OCTAVE SPECIALTY GROUP INC

Octave Specialty Group, Inc. operates as a financial services holding company. It operates in two segments, Specialty Property and Casualty Insurance; and Insurance Distribution. The Specialty Property and Casualty Insurance segment provides specialty property and casualty program insurance with a focus on commercial and personal liability risks. The Insurance Distribution segment offers specialty property and casualty insurance distribution services, which include managing general agents, underwriters, insurance broker, and other distribution and underwriting businesses. The company was formerly known as Ambac Financial Group, Inc. and changed its name to Octave Specialty Group, Inc. in November 2025. The company was founded in 1971 and is headquartered in New York, New York.

Company website: www.octavegroup.com

OSG insider activity at a glance

FilingIQ has scored 696 insider transactions for OSG since Sep 29, 2014. The most recent filing in our index is dated Apr 1, 2026.

Across the full history, 104 open-market purchases and 136 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on OSG insider trades is 54.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live OSG trades on FilingIQ Raw filings on SEC EDGAR

Latest OSG Form 4 filings

Norton Samuel H
S May 15, 2024
Norton Samuel H
S Mar 15, 2024
Norton Samuel H
S Feb 15, 2024
Norton Samuel H
S Jan 16, 2024
Norton Samuel H
S Dec 15, 2023
Norton Samuel H
S Nov 15, 2023
Norton Samuel H
S Sep 15, 2023

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for OSG?
FilingIQ tracks 696 Form 4 insider transactions for OSG (OCTAVE SPECIALTY GROUP INC), covering filings from Sep 29, 2014 onwards. 26 of those were filed in the last 90 days.
Are OSG insiders net buyers or net sellers?
Across the full Form 4 history for OSG, 104 transactions (15%) were open-market purchases and 136 (20%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does OSG insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is OSG in?
OCTAVE SPECIALTY GROUP INC (OSG) is classified in the Financial Services sector, specifically Insurance - Specialty, with a current market capitalisation of $252.03M.

Methodology & sources

Every OSG insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.