AMBAC FINL GROUP INC

Ticker: OSG CUSIP: 023139884 Class: Common Stock

PRINCIPAL SECURITIES, INC.'s Holding History (CIK: 0000012600)

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

Q3 2025

Shares 120 Value ($000) $1 Avg Close $8.45 Range $6.86 - $10.05

Q1 2025

Shares 16 Value ($000) $0 Avg Close $10.53 Range $7.92 - $12.84

Q4 2024

Shares 16 Value ($000) $0 Avg Close $12.05 Range $10.83 - $13.64

Q2 2024

Shares 26 Value ($000) $0 Avg Close $15.25 Range $11.80 - $18.45

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	120	$1	$8.45	$6.86 - $10.05
Q1 2025	16	$0	$10.53	$7.92 - $12.84
Q4 2024	16	$0	$12.05	$10.83 - $13.64
Q2 2024	26	$0	$15.25	$11.80 - $18.45