Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 38 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

38 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 21, 2008 CENX S 3,000 $64.96 $194,880 3,500 Direct -46.15% Disposed -43.8% (price as of 2026-10-05)
Dec. 6, 2007 CENX S 3,334 $56.16 $187,237 3,500 Direct -48.79% Disposed -35.0% (price as of 2026-10-05)
Dec. 5, 2007 CENX S 3,000 $57.08 $171,240 3,500 Direct -46.15% Disposed -36.0% (price as of 2026-10-05)
May 8, 2006 TDW S 4,000 $56.77 $227,080 2,500 Direct -61.54% Disposed -95.4% (price as of 2026-10-05)
May 5, 2006 CENX S 5,166 $52.50 $271,215 1,500 Direct -77.50% Disposed -30.5% (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
April 15, 2017 TDW Deferred Stock Units Common Stock (16,838) · · 16,838 Disposed
April 15, 2016 TDW Deferred Stock Units Common Stock (6,396) · · 6,396 Disposed
March 31, 2016 TDW Deferred Stock Units Common Stock (16,838) · · 16,838 Acquired
April 15, 2015 TDW Deferred Stock Units Common Stock (2,437) · · 2,437 Disposed
March 31, 2015 TDW Deferred Stock Units Common Stock (6,009) · · 6,009 Acquired
March 31, 2014 TDW Deferred Stock Units Common Stock (2,366) · · 2,366 Acquired
March 31, 2013 TDW Deferred Stock Units Common Stock (2,278) · · 2,278 Acquired
March 31, 2012 TDW Deferred Stock Units Common Stock (1,852) · · 1,852 Acquired
March 31, 2011 TDW Deferred Stock Units Common Stock (1,671) · · 1,671 Acquired
March 31, 2010 TDW Deferred Stock Units Common Stock (2,116) · · 2,116 Acquired
March 31, 2009 TDW Deferred Stock Units Common Stock (2,694) · · 2,694 Acquired
March 31, 2008 TDW Deferred Stock Units Common Stock (1,815) · · 1,815 Acquired
Feb. 21, 2008 CENX Stock Option [F2] Common Stock (3,000) $35.90 June 12, 2016 3,000 Acquired
Dec. 6, 2007 CENX Stock Option [F5] Common Stock (3,334) $30.04 March 31, 2015 3,334 Disposed
Dec. 5, 2007 CENX Stock Option [F3] Common Stock (3,000) $26.70 Aug. 11, 2015 3,000 Disposed
May 24, 2007 CENX Stock Option [F1] Common Stock (3,000) $55.06 May 24, 2017 3,000 Acquired
March 31, 2007 TDW Deferred Stock Units Common Stock (1,708) · · 1,708 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
May 8, 2006 TDW Stock Option (Right to Buy) [F1] Common Stock (5,000) $37.55 March 30, 2015 5,000 Disposed
May 5, 2006 CENX Stock Option [F2] Common Stock (6,666) $30.05 March 31, 2015 6,666 Disposed
March 29, 2006 TDW Stock Option (Right to Purchase) [F1] Common Stock (5,000) $55.76 March 29, 2016 5,000 Acquired
Aug. 11, 2005 CENX Stock Option (Right to Buy) Common Stock (3,000) $26.70 Aug. 11, 2015 3,000 Acquired
March 31, 2005 CENX Non-Employee Director Stock Option (right to buy) Common Stock (10,000) $30.05 March 31, 2015 10,000 Acquired

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
April 4, 2005 CENX Common Stock 2,000 Direct
April 1, 2005 TDW Common Stock 1,500 Direct
April 1, 2005 TDW Stock Option (Right to Purchase) [F1]→ Common Stock (5,000) 5,000 Direct