Insider Holders & Insider Ownership - CENTURY ALUMINUM CO (CENX)

List of insiders holdings for CENTURY ALUMINUM CO:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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# Insider Holder Name Report
Date Time		 Shares Owned
Directly
Indirectly		 Total
Shares Owned		 Filing
1 GLENCORE INVESTMENT PTY LTD.
10% Owner		 2009-05-04 18:27:53 43,619,229
23,547		 43,642,776 Form 4
2 GLENCORE INTERNATIONAL AG
Glencore AG
Glencore plc
10% Owner		 2025-04-01 07:57:35 27,500,000
12,587,710		 40,087,710 Form 4
3 Glencore AG
GLENCORE INTERNATIONAL AG
GLENCORE HOLDING AG
10% Owner		 2024-08-12 18:00:14 39,811,084
0		 39,811,084 Form 13D
4 Ryfold Ltd
Givolon Ltd
Ryfold Trust
Ocorian Ltd
10% Owner		 2022-12-16 06:00:15 0
27,500,000		 27,500,000 Form 4
5 Gary Jesse E
President and CEO		 2025-01-29 17:23:06 366,147
127,969		 494,116 Form 4
6 BLESS MICHAEL A
President and CEO		 2021-03-05 16:14:34 353,989
0		 353,989 Form 4
7 Kruger Logan W
CEO and President		 2011-03-24 21:01:20 211,148
224.32		 211,372 Form 4
8 Berntzen Jarl
Director		 2024-06-05 18:47:10 201,173
0		 201,173 Form 4
9 Hoerner John E.
EVP - N. American Operations		 2021-01-05 17:23:08 198,271
0		 198,271 Form 4
10 Kjos David
VP Maj Proj. Tech. & Sustain		 2013-03-26 17:18:37 153,222
868.8		 154,091 Form 4
11 Gudlaugsson Gunnar
EVP - Global Operations		 2025-01-03 17:35:56 143,804
0		 143,804 Form 4
12 DeZee John
EVP, GC and Secretary		 2025-01-03 17:27:40 132,918
0		 132,918 Form 4
13 Conti Craig C
EVP & Chief Financial Officer		 2022-03-01 16:25:44 117,018
0		 117,018 Form 4
14 Hale Wayne
EVP COO		 2011-03-24 21:04:04 113,564
152.16		 113,716 Form 4
15 GLASSER ERROL
Director		 2024-06-05 18:43:17 110,919
0		 110,919 Form 4
16 Bialek Gerald C
Chief Financial Officer		 2025-01-03 17:11:47 100,620
0		 100,620 Form 4
17 Michelmore Andrew G
Director		 2024-06-05 18:42:05 83,644
0		 83,644 Form 4
18 Harrison Michelle
Sr. VP Finance & Treasurer		 2023-01-04 17:42:51 80,947
352.51		 81,300 Form 4
19 Aboud Matt
SVP, Strategy & Business Dev't		 2025-01-03 17:22:10 74,616
0		 74,616 Form 4
20 DAVIS CRAIG A
Director		 2007-11-30 13:07:04 66,457
4,787		 71,244 Form 4
21 Wilkinson Terence
Director		 2018-06-20 16:20:01 67,660
0		 67,660 Form 4
22 Trpkovski Peter A
EVP, CFO and Treasurer		 2025-03-25 18:48:38 65,491
0		 65,491 Form 4
23 Hafberg Agust F
SVP & Chief Commercial Officer		 2025-01-03 17:31:08 64,753
0		 64,753 Form 4
24 OBRIEN JOHN P
Director		 2013-09-26 15:15:18 64,259
0		 64,259 Form 4
25 Hoffman Robert F
SVP, IT and CAO		 2025-03-24 17:29:12 59,083
14.55		 59,098 Form 4
26 Dillon Ricky T
EVP & Chief Financial Officer		 2016-03-24 17:04:55 52,253
0		 52,253 Form 4
27 JONES PETER C
Director		 2013-09-26 15:24:00 46,852
0		 46,852 Form 4
28 Calloway Kenneth L
SVP, Human Resources		 2025-01-03 17:25:00 45,156
0		 45,156 Form 4
29 SCHNEIDER STEVE
Sr. VP & Chief Acct. Officer		 2013-03-21 20:34:12 43,590
0		 43,590 Form 4
30 Leatherberry William J
EVP, Gen. Counsel & Secretary		 2013-01-03 15:35:25 43,109
187.27		 43,296 Form 4
31 Bush Jennifer Mary
Director		 2024-06-05 18:45:00 39,094
0		 39,094 Form 4
32 Reed Jerry E
VP, Commercial Mgmt & Bus. Dev		 2011-01-04 19:28:35 34,208
115.76		 34,324 Form 4
33 BECKLEY DAVID W
Executive VP and CFO		 2005-08-04 20:32:43 30,706
2,435		 33,141 Form 4
34 Indriani Elisabeth
Principal Accounting Officer		 2021-01-05 17:36:23 32,099
0		 32,099 Form 4
35 Casello Giulio
Sr. VP of Business Development		 2009-03-25 21:12:07 30,057
176.22		 30,233 Form 4
36 KITCHEN GERALD J
Exec. VP, CAO and Secretary		 2006-03-09 20:20:01 26,326
2,619		 28,945 Form 4
37 Squire Erich K.
Senior Vice President, Finance		 2017-01-13 17:00:34 26,283
0		 26,283 Form 3/A
38 THOMPSON JACK EDWARD
Director		 2010-06-11 13:58:30 25,112
0		 25,112 Form 4
39 Manning Catherine Z
Director		 2010-06-11 13:48:30 23,614
0		 23,614 Form 4
40 GATES E JACK
EVP & COO (Former)		 2007-03-21 13:27:10 21,768
1,756		 23,524 Form 4
41 Olivier Tamla A
Director		 2024-06-05 18:50:17 21,895
0		 21,895 Form 4
42 FISHMAN ROBERT E
Director		 2010-06-11 13:17:32 21,612
0		 21,612 Form 4
43 FONTAINE JOHN C
Director		 2011-06-10 17:18:10 21,427
0		 21,427 Form 4
44 Heyroth Stephen K.
Chief Accounting Officer		 2018-03-27 16:39:52 20,567
0		 20,567 Form 4
45 Brainerd Theresa L
Global Corporate Controller		 2024-09-03 17:02:26 19,445
0		 19,445 Form 3
46 Carroll Cynthia B
Director		 2020-06-11 16:12:28 18,220
0		 18,220 Form 4
47 HAMPSHIRE WILLIAM J
Director		 2004-09-03 18:01:58 11,325
0		 11,325 Form 4
48 Nielsen Robert R
EVP and Assistant Secretary		 2010-03-10 18:49:06 8,795
176.49		 8,971 Form 4
49 MCGUIRE PETER C
Vice President		 2007-09-14 20:25:51 1,226
0		 1,226 Form 4
50 STROTHOTTE WILLY R
Director		 2008-07-22 19:47:55 1,047
0		 1,047 Form 4
51 Caplan Andrew J
Director		 2012-03-21 16:35:25 0
0		 0 Form 3
52 Glasenberg Ivan
Director		 2010-06-11 14:08:24 0
0		 0 Form 3
53 SCHREIBER STUART M
Director		 2006-03-01 21:15:15 0
0		 0 Form 4
54 BNINSKI ROMAN A
Director		 2006-03-01 21:25:56 0
0		 0 Form 4
55 KROFCHECK DANIEL J
Vice President and Treasurer		 2006-05-11 16:32:35 0
0		 0 Form 4
56 Kalmin Steven
Director		 2011-06-10 16:49:24 0
0		 0 Form 3
57 Blumgart Steven
Director		 2011-06-15 15:43:02 0
0		 0 Form 3
58 Goldberg Daniel
Director		 2011-02-08 18:42:56 0
0		 0 Form 3