CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

Polymer Capital Management (US) LLC's Holding History (CIK: 0001973324)

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

Q4 2025

Shares 30,000 Value ($000) $1,175 Avg Close $31.24 Range $25.40 - $40.83

Q3 2025

Shares 9,297 Value ($000) $273 Avg Close $22.67 Range $17.75 - $30.08

Q2 2025

Shares 23,500 Value ($000) $423 Avg Close $16.98 Range $13.05 - $20.43

Q1 2025

Shares 25,697 Value ($000) $477 Avg Close $19.21 Range $16.30 - $22.92

Q4 2024

Shares 23,500 Value ($000) $428 Avg Close $19.65 Range $14.89 - $25.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,000	$1,175	$31.24	$25.40 - $40.83
Q3 2025	9,297	$273	$22.67	$17.75 - $30.08
Q2 2025	23,500	$423	$16.98	$13.05 - $20.43
Q1 2025	25,697	$477	$19.21	$16.30 - $22.92
Q4 2024	23,500	$428	$19.65	$14.89 - $25.39