AMBAC FINL GROUP INC

Ticker: OSG CUSIP: 023139884 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025
Shares 20,449 Value ($000) $171 Avg Close $8.45 Range $6.86 - $10.05
Q2 2025
Shares 321,724 Value ($000) $2,284 Avg Close $7.45 Range $5.99 - $8.69
Q1 2025
Shares 341,468 Value ($000) $2,988 Avg Close $10.53 Range $7.92 - $12.84
Q4 2024
Shares 16,116 Value ($000) $204 Avg Close $12.05 Range $10.83 - $13.64
Q3 2024
Shares 9,764 Value ($000) $109 Avg Close $11.69 Range $10.12 - $13.32
Q1 2024
Shares 77,089 Value ($000) $1,205 Avg Close $15.77 Range $14.53 - $17.80
Q4 2023
Shares 86,430 Value ($000) $1,424 Avg Close $13.90 Range $11.26 - $16.60
Q2 2023
Shares 8,956 Value ($000) $128 Avg Close $14.63 Range $13.18 - $16.10