Insider Trading activities of Century Aluminum Co insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Century Aluminum Co since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Century Aluminum Co since year 2005. Table 2 shows the detailed insider transactions of Century Aluminum Co since 2005. The reporting company's ticker symbol is CENX. The reporting company's CIK number is 949157.
The total value of stock buying since 2005 is $360,062,973.
The total value of stock sales since 2005 is $20,028,144.
The total value of stock option exercises since 2005 is $3,455,995.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Century Aluminum Co (CENX).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-05 0 $0 27,618 $410,955 27,618 $180,897
2017-02 0 $0 6,997 $97,461 0 $0
2011-08 503,343 $4,688,640 0 $0 0 $0
2011-05 0 $0 38,618 $661,526 0 $0
2011-02 0 $0 14,870 $259,414 0 $0
2010-12 0 $0 10,000 $161,500 0 $0
2010-11 0 $0 3,000 $44,460 0 $0
2010-09 0 $0 40,250 $446,223 0 $0
2010-08 0 $0 7,000 $77,770 0 $0
2010-03 0 $0 11,305 $167,586 0 $0
2009-12 0 $0 67,884 $956,494 0 $0
2009-11 29,000 $252,299 0 $0 0 $0
2009-10 850,000 $7,403,500 0 $0 0 $0
2009-02 13,242,250 $59,590,125 0 $0 0 $0
2008-11 0 $0 255 $3,720 0 $0
2008-10 15,250 $170,280 0 $0 3,000 $22,020
2008-08 5,000 $225,829 0 $0 0 $0
2008-07 2,669,000 $162,509,525 0 $0 0 $0
2008-06 1,500 $25,080 1,500 $25,080 0 $0
2008-05 0 $0 0 $0 1,500 $25,080
2008-02 0 $0 21,665 $1,455,972 19,665 $901,120
2007-12 0 $0 6,334 $358,477 6,334 $180,270
2007-11 0 $0 10,000 $550,000 0 $0
2007-10 0 $0 14,500 $833,565 14,500 $380,650
2007-09 0 $0 28,699 $1,395,416 0 $0
2007-06 2,384,718 $125,197,695 0 $0 0 $0
2007-02 0 $0 48,749 $2,366,174 21,334 $510,515
2006-08 0 $0 27,000 $939,490 0 $0
2006-05 0 $0 41,009 $2,098,699 10,666 $298,513
2006-02 0 $0 148,185 $5,317,856 65,500 $956,930
2005-08 0 $0 53,907 $1,400,306 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Century Aluminum Co insiders (CENX)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-05-25 Bless Michael A (President and CEO) Sale 27,618 14.88 410,955
2017-05-25 Bless Michael A (President and CEO) Option Ex 27,618 6.55 180,897
2017-02-28 Lair Michelle (Sr. VP Finance & Treasurer) Sale 2,872 14.10 40,495
2017-02-27 Lair Michelle (Sr. VP Finance & Treasurer) Sale 4,125 13.81 56,966
2011-08-09 Glencore International Plc Buy 503,343 9.31 4,688,640
2011-05-10 Bless Michael A (Exec. VP and CFO) Sale 38,618 17.13 661,526
2011-02-18 Bless Michael A (Exec. VP and CFO) Sale 3,870 17.12 66,254
2011-02-17 Schneider Steve (Sr. VP & Chief Acct. Officer) Sale 11,000 17.56 193,160
2010-12-21 Kruger Logan W (CEO and President) Sale 10,000 16.15 161,500
2010-11-04 Lair Michelle (VP & Treasurer) Sale 3,000 14.82 44,460
2010-09-14 Schneider Steve (Sr. VP & Chief Acct. Officer) Sale 11,000 11.38 125,180
2010-09-10 Leatherberry William J (EVP, Gen. Counsel & Secretary) Sale 3,250 11.15 36,237
2010-09-10 Kruger Logan W (CEO and President) Sale 10,000 11.25 112,500
2010-09-02 Kruger Logan W (CEO and President) Sale 10,000 10.81 108,100
2010-09-02 Fontaine John C Sale 6,000 10.70 64,206
2010-08-05 Bless Michael A (Exec. VP and CFO) Sale 7,000 11.11 77,770
2010-03-16 Bless Michael A (Exec. VP and CFO) Sale 6,468 14.76 95,467
2010-03-10 Kruger Logan W (CEO and President) Sale 4,837 14.91 72,119
2009-12-16 Leatherberry William J (Sr. VP & General Counsel) Sale 1,755 14.25 25,008
2009-12-16 Nielsen Robert R (Executive Vice President) Sale 42,767 14.12 603,870
2009-12-16 Bless Michael A (Exec. VP and CFO) Sale 15,462 14.39 222,498
2009-12-15 Lair Michelle (VP & Treasurer) Sale 900 13.12 11,808
2009-12-14 Kruger Logan W (CEO and President) Sale 7,000 13.33 93,310
2009-11-05 Glencore Holding Ag (10% Owner) Buy 29,000 8.70 252,299
2009-10-30 Glencore Holding Ag (10% Owner) Buy 850,000 8.71 7,403,500
2009-02-03 Glencore Holding Ag (10% Owner) Buy 13,242,250 4.50 59,590,125
2008-11-04 Schneider Steve (Sr.VP;ChiefAcct.Off;Controller) Sale 255 14.59 3,720
2008-10-27 Manning Catherine Z Buy 1,000 9.26 9,260
2008-10-24 Jones Peter C Buy 2,000 9.46 18,920
2008-10-24 Obrien John P Option Ex 3,000 7.34 22,020
2008-10-23 Leatherberry William J (Vice President) Buy 1,250 9.40 11,750
2008-10-23 Obrien John P Buy 10,000 11.85 118,500
2008-10-23 Fontaine John C Buy 1,000 11.85 11,850
2008-08-25 Bless Michael A (Exec. VP and CFO) Buy 5,000 45.17 225,829
2008-07-18 Glencore Holding Ag (10% Owner) Buy 23,000 54.94 1,263,620
2008-07-17 Glencore Holding Ag (10% Owner) Buy 793,500 57.88 45,927,780
2008-07-16 Glencore Holding Ag (10% Owner) Buy 1,852,500 62.25 115,318,125
2008-06-09 Strothotte Willy R Sale 1,500 16.72 25,080
2008-06-09 Glencore International Ag (10% Owner) Buy 1,500 16.72 25,080
2008-05-01 Strothotte Willy R Option Ex 1,500 16.72 25,080
2008-02-27 Nielsen Robert R (Executive Vice President) Sale 16,665 68.14 1,135,553
2008-02-27 Nielsen Robert R (Executive Vice President) Option Ex 16,665 47.61 793,420
2008-02-21 Thompson Jack Edward Sale 3,000 64.96 194,879
2008-02-21 Thompson Jack Edward Option Ex 3,000 35.90 107,700
2008-02-19 Kruger Logan W (CEO and President) Sale 2,000 62.77 125,540
2007-12-06 Thompson Jack Edward Sale 3,334 56.16 187,237
2007-12-06 Thompson Jack Edward Option Ex 3,334 30.05 100,170
2007-12-05 Thompson Jack Edward Sale 3,000 57.08 171,240
2007-12-05 Thompson Jack Edward Option Ex 3,000 26.70 80,100
2007-11-28 Davis Craig A Sale 10,000 55.00 550,000
2007-10-29 Kruger Logan W (CEO and President) Sale 10,000 57.45 574,500
2007-10-29 Kruger Logan W (CEO and President) Option Ex 10,000 23.98 239,800
2007-10-29 Fishman Robert E Sale 4,500 57.57 259,065
2007-10-29 Fishman Robert E Option Ex 4,500 31.30 140,850
2007-09-13 Nielsen Robert R (Executive Vice President) Sale 3,699 45.45 168,119
2007-09-11 Davis Craig A Sale 22,938 49.06 1,125,338
2007-09-10 Davis Craig A Sale 1,802 49.07 88,424
2007-09-06 Davis Craig A Sale 260 52.06 13,535
2007-06-13 Glencore International Ag (10% Owner) Buy 2,384,718 52.50 125,197,695
2007-02-27 Lair Michelle (VP Treasurer) Sale 1,334 46.71 62,315
2007-02-27 Lair Michelle (VP Treasurer) Option Ex 1,334 23.18 30,915
2007-02-26 Gates E Jack (EVP & COO) Sale 15,000 48.31 724,650
2007-02-23 Mcguire Peter C (Vice President) Sale 1,915 47.50 90,962
2007-02-22 Kruger Logan W (PRESIDENT & CEO) Sale 30,500 48.80 1,488,247
2007-02-22 Kruger Logan W (PRESIDENT & CEO) Option Ex 20,000 23.98 479,600
2006-08-22 Mcguire Peter C (Vice President) Sale 2,000 35.12 70,240
2006-08-18 Davis Craig A Sale 25,000 34.77 869,250
2006-05-09 Krofcheck Daniel J (Vice President and Treasurer) Sale 4,468 54.97 245,605
2006-05-05 Casello Giulio (Vice President) Sale 4,000 51.50 206,000
2006-05-05 Casello Giulio (Vice President) Option Ex 4,000 24.55 98,200
2006-05-05 Thompson Jack Edward (Director) Sale 5,166 52.50 271,215
2006-05-05 Thompson Jack Edward (Director) Option Ex 6,666 30.05 200,313
2006-05-05 Mcguire Peter C (Vice President) Sale 900 50.82 45,738
2006-05-04 Schneider Steve (Vice President and Controller) Sale 3,794 50.25 190,648
2006-05-04 Davis Craig A (Director) Sale 22,681 50.24 1,139,493
2006-02-28 Fishman Robert E (Director) Sale 4,500 36.08 162,360
2006-02-28 Fishman Robert E (Director) Option Ex 4,500 25.40 114,300
2006-02-28 Schreiber Stuart M (Director) Option Ex 2,000 15.17 30,340
2006-02-28 Kitchen Gerald J (Exec. VP, CAO and Secretary) Sale 10,000 38.06 380,600
2006-02-28 Davis Craig A (Director) Sale 50,000 35.50 1,775,000
2006-02-27 Obrien John P (Director) Sale 12,000 35.80 429,599
2006-02-27 Obrien John P (Director) Option Ex 12,000 14.59 175,080
2006-02-27 Mcguire Peter C (Vice President) Sale 5,000 36.10 180,500
2006-02-27 Strothotte Willy R (Director) Sale 10,000 35.79 357,900
2006-02-27 Strothotte Willy R (Director) Option Ex 10,000 15.12 151,250
2006-02-27 Schreiber Stuart M (Director) Sale 19,000 35.80 680,200
2006-02-27 Schreiber Stuart M (Director) Option Ex 17,000 11.38 193,460
2006-02-27 Bninski Roman A (Director) Sale 10,000 35.79 357,900
2006-02-27 Bninski Roman A (Director) Option Ex 10,000 13.00 130,000
2006-02-27 Krofcheck Daniel J (VP/Treasurer) Sale 17,685 36.07 637,897
2006-02-27 Krofcheck Daniel J (VP/Treasurer) Option Ex 10,000 16.25 162,500
2006-02-27 Gates E Jack (Executive VP, COO) Sale 10,000 35.59 355,900
2005-08-10 Davis Craig A (CEO, Chairman of the) Sale 38,387 26.21 1,006,123
2005-08-02 Schneider Steve (Vice President, Cont) Sale 3,883 24.80 96,298
2005-08-02 Mcguire Peter C (Vice President) Sale 2,300 25.66 59,018
2005-08-02 Beckley David W (Executive VP and CFO) Sale 5,467 25.50 139,408
2005-08-02 Kitchen Gerald J (Executive VP and CAO) Sale 3,870 25.70 99,459

Insider trading activities including stock purchases, stock sales, and option exercises of CENX listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Century Aluminum Co (symbol CENX, CIK number 949157) see the Securities and Exchange Commission (SEC) website.