CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

MAI Capital Management's Holding History (CIK: 0001040197)

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

Q4 2025

Shares 493 Value ($000) $19 Avg Close $31.24 Range $25.40 - $40.83

Q3 2025

Shares 490 Value ($000) $14 Avg Close $22.67 Range $17.75 - $30.08

Q2 2025

Shares 564 Value ($000) $10 Avg Close $16.98 Range $13.05 - $20.43

Q1 2025

Shares 400 Value ($000) $7 Avg Close $19.21 Range $16.30 - $22.92

Q4 2024

Shares 300 Value ($000) $5 Avg Close $19.65 Range $14.89 - $25.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	493	$19	$31.24	$25.40 - $40.83
Q3 2025	490	$14	$22.67	$17.75 - $30.08
Q2 2025	564	$10	$16.98	$13.05 - $20.43
Q1 2025	400	$7	$19.21	$16.30 - $22.92
Q4 2024	300	$5	$19.65	$14.89 - $25.39