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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  3. OSG
Ticker · CUSIP 023139884

OSG

AMBAC FINL GROUP INC
Financial Services·Insurance - Specialty
Sign in to saveShare
Holders (tracked)
14
Combined shares
7,021,974
Combined value
$54.63M
Last close
$4.59
Quarter
2025Q4
Price is -41.0% vs the avg quarter-end implied price across tracked holders.
Explore related topics
  • OSG insider trading
    Every Form 4 filing by OSG officers, directors, and 10%+ holders.
  • OSG analyst target prices
    Wall Street consensus target, analyst-by-analyst breakdown, and revision history.
  • Most popular hedge-fund stocks
    See where this ticker ranks against the broader smart-money consensus.
  • All insider trading
    Cross-ticker view of where corporate insiders are buying on the open market.
  • Congress stock trades
    Real-time PTR disclosures filed under the STOCK Act.
  • Smart-money signals
    Composite signals where institutional, insider and Congress flows converge.

SEC event timeline

No SEC events recorded for this ticker yet.

Insider activity

No insider transactions in the last 30 days.
View full insider history for OSG →

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
No position changes reported on this name for the latest quarter.

Who owns OSG

No tracked super-investor holds OSG as of 2025Q4.

Recent moves

0 transactions
No recorded moves yet.
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Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
1492024Q12025Q4