AMBAC FINL GROUP INC

Ticker: OSG CUSIP: 023139884 Class: Common Stock

Nuveen, LLC's Holding History (CIK: 0001871926)

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

Q4 2025

Shares 810,279 Value ($000) $6,304 Avg Close $8.55 Range $7.63 - $10.38

Q3 2025

Shares 1,079,328 Value ($000) $9,002 Avg Close $8.45 Range $6.86 - $10.05

Q2 2025

Shares 466,978 Value ($000) $3,316 Avg Close $7.45 Range $5.99 - $8.69

Q1 2025

Shares 282,657 Value ($000) $2,473 Avg Close $10.53 Range $7.92 - $12.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	810,279	$6,304	$8.55	$7.63 - $10.38
Q3 2025	1,079,328	$9,002	$8.45	$6.86 - $10.05
Q2 2025	466,978	$3,316	$7.45	$5.99 - $8.69
Q1 2025	282,657	$2,473	$10.53	$7.92 - $12.84