CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

Mountaineer Partners Management, LLC's Holding History (CIK: 0001730532)

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

Q4 2025
Shares 608,475 Value ($000) $23,840 Avg Close $31.24 Range $25.40 - $40.83
Q3 2025
Shares 661,043 Value ($000) $19,408 Avg Close $22.67 Range $17.75 - $30.08
Q2 2025
Shares 705,150 Value ($000) $12,707 Avg Close $16.98 Range $13.05 - $20.43
Q1 2025
Shares 639,373 Value ($000) $11,867 Avg Close $19.21 Range $16.30 - $22.92
Q4 2024
Shares 647,845 Value ($000) $11,804 Avg Close $19.65 Range $14.89 - $25.39
Q3 2024
Shares 1,407,831 Value ($000) $22,849 Avg Close $15.15 Range $11.40 - $21.37
Q2 2024
Shares 1,338,458 Value ($000) $22,419 Avg Close $17.02 Range $14.73 - $19.88
Q1 2024
Shares 2,142,103 Value ($000) $32,967 Avg Close $11.23 Range $9.65 - $15.60
Q4 2023
Shares 2,270,805 Value ($000) $27,568 Avg Close $7.85 Range $5.70 - $13.17
Q3 2023
Shares 2,035,868 Value ($000) $14,638 Avg Close $8.06 Range $6.42 - $9.38
Q2 2023
Shares 1,997,343 Value ($000) $17,417 Avg Close $8.69 Range $7.18 - $10.19
Q1 2023
Shares 1,103,201 Value ($000) $11,032 Avg Close $10.36 Range $7.87 - $12.97
Q4 2022
Shares 963,318 Value ($000) $7,880 Avg Close $7.55 Range $5.32 - $10.23
Q1 2022
Shares 546,641 Value ($000) $14,382 Avg Close $21.04 Range $14.85 - $30.36
Q4 2021
Shares 700,255 Value ($000) $11,596 Avg Close $14.64 Range $12.34 - $17.65