Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 8 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
March 22, 2013 CENX F 1,501 · · 153,222 Direct -0.97% Disposed (price as of 2026-10-05)
March 19, 2013 CENX A 6,412 · · 154,723 Direct +4.32% Acquired (price as of 2026-10-05)
March 19, 2013 CENX A 5,523 · · 148,311 Direct +3.87% Acquired (price as of 2026-10-05)
Dec. 31, 2012 CENX F 973 · · 142,788 Direct -0.68% Disposed (price as of 2026-10-05)
Oct. 3, 2011 CENX A 3,801 · · 143,761 Direct +2.72% Acquired (price as of 2026-10-05)
Oct. 3, 2011 CENX A 2,650 · · 139,960 Direct +1.93% Acquired (price as of 2026-10-05)
July 31, 2007 CENX A 5,000 · · 5,000 Direct · Acquired (price as of 2026-10-05)
June 9, 2007 CENX A 2,000 · · 2,000 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.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
July 31, 2007 CENX Employee Stock Option (right to buy) Common Stock (5,000) · June 9, 2017 5,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 7 holdings

07

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

DateTickerSecuritySharesOwnership
Oct. 5, 2011 CENX Common Stock 130,310 Direct
Oct. 5, 2011 CENX Common Stock · Direct
Oct. 5, 2011 CENX Common Stock · Direct
Oct. 5, 2011 CENX Common Stock · Direct
Oct. 5, 2011 CENX Common Stock · Indirect
Oct. 5, 2011 CENX Stock Option (Right to Buy)→ Common Stock (5,000) 5,000 Direct
Oct. 5, 2011 CENX Stock Option (Right to Buy)→ Common Stock (16,099) 16,099 Direct