Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 19 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

19 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 28, 2007 CENX S 10,000 $55.00 $550,000 66,457 Direct -13.08% Disposed -32.8% (price as of 2026-10-05)
Sept. 11, 2007 CENX S 22,938 $49.06 $1,125,338 76,457 Direct -23.08% Disposed -24.7% (price as of 2026-10-05)
Sept. 10, 2007 CENX S 1,802 $49.07 $88,424 99,395 Direct -1.78% Disposed -24.7% (price as of 2026-10-05)
Sept. 10, 2007 CENX S 1,802 $49.07 $88,424 0 Direct -100.00% Disposed -24.7% (price as of 2026-10-05)
Sept. 6, 2007 CENX S 260 $52.06 $13,536 101,197 Direct -0.26% Disposed -29.0% (price as of 2026-10-05)
Sept. 6, 2007 CENX S 260 $52.06 $13,536 0 Direct -100.00% Disposed -29.0% (price as of 2026-10-05)
Aug. 18, 2006 CENX S 25,000 $34.77 $869,250 95,000 Direct -20.83% Disposed 6.2% (price as of 2026-10-05)
May 4, 2006 CENX S 22,681 $50.24 $1,139,493 120,000 Direct -15.90% Disposed -26.5% (price as of 2026-10-05)
Feb. 28, 2006 CENX S 50,000 $35.50 $1,775,000 122,330 Direct -29.01% Disposed 4.1% (price as of 2026-10-05)
Aug. 15, 2005 CENX S 23,000 $27.09 $623,070 172,330 Direct -11.77% Disposed 36.4% (price as of 2026-10-05)
Aug. 10, 2005 CENX S 38,387 $26.21 $1,006,123 172,330 Direct -18.22% Disposed 40.9% (price as of 2026-10-05)
Sept. 8, 2004 CENX S 2,000 $24.72 $49,440 189,830 Direct -1.04% Disposed 49.4% (price as of 2026-10-05)
Sept. 8, 2004 CENX S 3,000 $24.75 $74,250 191,830 Direct -1.54% Disposed 49.3% (price as of 2026-10-05)
Sept. 8, 2004 CENX S 21,978 · · 194,830 Direct -10.14% Disposed (price as of 2026-10-05)
Sept. 7, 2004 CENX S 80,968 · · 194,830 Direct -29.36% Disposed (price as of 2026-10-05)
Sept. 3, 2004 CENX S 24,054 · · 194,830 Direct -10.99% Disposed (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
May 24, 2007 CENX Stock Option [F1] Common Stock (3,000) $55.06 May 24, 2017 3,000 Acquired
June 12, 2006 CENX Stock Option Common Stock (3,000) $37.31 June 12, 2016 3,000 Acquired
June 12, 2006 CENX Stock Option Common Stock (3,000) $35.90 June 12, 2016 3,000 Acquired
Aug. 15, 2005 CENX Employee Stock Option (Right to Buy) Common Stock (23,000) $13.00 March 28, 2006 23,000 Disposed
Sept. 8, 2004 CENX Employee Stock Option (Right to Buy) Common Stock (21,978) $13.00 March 28, 2006 21,978 Disposed
Sept. 7, 2004 CENX Employee Stock Option (Right to Buy) Common Stock (80,968) $13.00 March 28, 2006 80,968 Disposed
Sept. 3, 2004 CENX Employee Stock Option (Right to Buy) Common Stock (24,054) $13.00 March 28, 2006 24,054 Disposed

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