SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
  
 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
KITCHEN GERALD J
(Last) (First) (Middle)
2511 GARDEN ROAD
BUILDING A, SUITE 200
(Street)
MONTEREY CA
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
CENTURY ALUMINUM CO [ CENX ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Executive VP and CAO
3. Date of Earliest Transaction (Month/Day/Year)
09/03/2004
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 09/03/2004 M 7,323 A $13 57,292 D
Common Stock 09/03/2004 S 7,323 D (1) 49,959 D
Common Stock 09/07/2004 M 24,651 A $13 74,610 D
Common Stock 09/07/2004 S 24,651 D (2) 49,959 D
Common Stock 09/08/2004 M 6,692 A $13 56,651 D
Common Stock 09/08/2004 S 6,692 D (4) 49,959 D
Common Stock 09/08/2004 S 10,000 D (5) 39,959 D
Common Stock 2,390.541 I By 401(k) Plan(6)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to Buy) $13 09/03/2004 M 7,323 (3) 03/26/2006 Common Stock 7,323 $13 54,343 D
Employee Stock Option (Right to Buy) $13 09/07/2004 M 24,651 (3) 03/26/2006 Common Stock 24,651 $13 29,692 D
Employee Stock Option (Right to Buy) $13 09/08/2004 M 6,692 (3) 03/26/2006 Common Stock 6,692 $13 23,000 D
Explanation of Responses:
1. These shares were sold within a range of $24.50 to $24.62 per share as follows: (i) 105 shares were sold at $24.62; (ii) 35 shares were sold at $24.60; (iii) 70 shares were sold at $24.56; (iv) 1,036 shares were sold at $24.55; (v) 527 shares were sold at $24.54; (vi) 176 shares were sold at $24.53; (vii) 1,229 shares were sold at $24.5201; (viii) 738 shares were sold at $24.52; (ix) 685 shares were sold at $24.5132; (x) 1,054 shares were sold at $24.51; and (xi) 1,668 shares were sold at $24.50.
2. These shares were sold within a range of $24.50 to $24.68 per share as follows: (i) 878 shares were sold at $24.68; (ii) 527 shares were sold at $24.641; (iii) 351 shares were sold at $24.627; (iv) 738 shares were sold at $24.614; (v) 1,545 shares were sold at $24.61; (vi) 538 shares were sold at $24.589; (vii) 264 shares were sold at $24.56; (viii) 1,405 shares were sold at $24.556; (ix) 351 shares were sold at $24.555; (x) 211 shares were sold at $24.545; (xi) 1,458 shares were sold at $24.541; (xii) 228 shares were sold at $24.537; (xiii) 1,757 shares were sold at $24.522; (xiv) 737 shares were sold at $24.52; (xv) 2,845 shares were sold at $24.518; (xvi) 1,510 shares were sold at $24.516; (xvii) 369 shares were sold at $24.513; (xviii) 1,106 shares were sold at $24.51; (xix) 1,528 shares were sold at $24.503; (xx) 6,305 shares were sold at $24.50.
3. March 26, 1996 grant of Non-Qualified Employee Stock Options. Options vested and became exercisable in three equal installments on each of (i) the date of grant; (ii) the first anniversary of the date of grant; and (iii) the second anniversary of the date of grant.
4. These shares were sold within a range of $24.50 to $24.68 per share as follows: (i) 139 shares were sold at $24.68; (ii) 209 shares were sold at $24.672; (iii) 56 shares were sold at $24.64; (iv) 445 shares were sold at $24.633; (v) 209 shares were sold at $24.63; (vi) 167 shares were sold at $24.62; (vii) 153 shares were sold at $24.613; (viii) 209 shares were sold at $24.61; (ix) 223 shares were sold at $24.592; (x) 139 shares were sold at $24.578; (xi) 125 shares were sold at $24.56; (xii) 696 shares were sold at $24.55; (xiii) 390 shares were sold at $24.548; (xiv) 167 shares were sold at $24.54; (xv) 306 shares were sold at $24.539; (xvi) 181 shares were sold at $24.538; (xvii) 529 shares were sold at $24.533; (xviii) 223 shares were sold at $24.532; (xix) 139 shares were sold at $24.525; (xx) 250 shares were sold at $24.523; (xxi) 347 shares were sold at $24.52; (xxii) 250 shares were sold at $24.516; and (xxiii) 1,140 shares were sold at $24.50.
5. These shares were sold within a range of $24.50 to $24.68 per share as follows: (i) 208 shares were sold at $24.68; (ii) 312 shares were sold at $24.672; (iii) 83 shares were sold at $24.64; (iv) 665 shares were sold at $24.633; (v) 312 shares were sold at $24.63; (vi) 249 shares were sold at $24.62; (vii) 228 shares were sold at $24.613; (viii) 312 shares were sold at $24.61; (ix) 332 shares were sold at $24.592; (x) 208 shares were sold at $24.578; (xi) 187 shares were sold at $24.56; (xii) 1,039 shares were sold at $24.55; (xiii) 582 shares were sold at $24.548; (xiv) 250 shares were sold at $24.54; (xv) 457 shares were sold at $24.539; (xvi) 270 shares were sold at $24.538; (xvii) 790 shares were sold at $24.533; (xviii) 332 shares were sold at $24.532; (xix) 208 shares were sold at $24.525; (xx) 375 shares were sold at $24.523; (xxi) 521 shares were sold at $24.52; (xxii) 375 shares were sold at $24.516; and (xxiii) 1,705 shares were sold at $24.50.
6. Based on a plan statement as of August 20, 2004.
/s/ Gerald J. Kitchen 09/08/2004
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.