Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 16 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 19, 2018 CENX A 5,680 · · 67,660 Direct +9.16% Acquired (price as of 2026-10-05)
June 20, 2017 CENX A 6,228 · · 61,980 Direct +11.17% Acquired (price as of 2026-10-05)
June 28, 2016 CENX F 3,880 $5.86 $22,737 55,752 Direct -6.51% Disposed 523.0% (price as of 2026-10-05)
June 28, 2016 CENX A 12,930 · · 59,632 Direct +27.69% Acquired (price as of 2026-10-05)
Sept. 2, 2015 CENX F 3,735 $5.19 $19,385 46,702 Direct -7.41% Disposed 603.5% (price as of 2026-10-05)
Sept. 2, 2015 CENX A 12,447 · · 50,437 Direct +32.76% Acquired (price as of 2026-10-05)
Sept. 2, 2015 CENX F 3,609 $5.19 $18,731 46,408 Direct -7.22% Disposed 603.5% (price as of 2026-10-05)
Sept. 2, 2015 CENX A 12,027 · · 50,017 Direct +31.66% Acquired (price as of 2026-10-05)
Sept. 9, 2014 CENX F 1,049 $28.71 $30,117 37,990 Direct -2.69% Disposed 27.2% (price as of 2026-10-05)
Sept. 9, 2014 CENX A 3,495 · · 39,039 Direct +9.83% Acquired (price as of 2026-10-05)
Sept. 25, 2013 CENX A 13,221 · · 35,544 Direct +59.23% Acquired (price as of 2026-10-05)
Sept. 24, 2013 CENX A 9,004 · · 22,323 Direct +67.60% Acquired (price as of 2026-10-05)
Sept. 19, 2013 CENX D 3,324 · · 13,319 Direct -19.97% Disposed (price as of 2026-10-05)
Sept. 19, 2012 CENX A 11,078 · · 16,643 Direct +199.07% Acquired (price as of 2026-10-05)
June 8, 2011 CENX A 4,565 · · 5,565 Direct +456.50% Acquired (price as of 2026-10-05)
June 8, 2011 CENX A 1,000 · · 1,000 Direct · Acquired (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
June 10, 2011 CENX Common Stock 0 Direct