CENTURY ALUMINUM CO (CENX) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • 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
What is insider trading>>
Time period
Insider Trading Transactions for CENTURY ALUMINUM CO
Goto 0, 1, 2, 3, Next
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-03-12
Sale
2026-03-13
5:14 pm
CENTURY ALUMINUM COCENXCalloway Kenneth L
SVP, Human Resources
18,000$58$1,044,00024,902
(Direct)
View
2026-03-11
Sale
2026-03-13
5:08 pm
CENTURY ALUMINUM COCENXHoffman Robert F
SVP, IT and CAO
10,529$56.51$594,99456,658
(Indirect
Direct)
View
2026-03-04
Sale
2026-03-06
5:58 pm
CENTURY ALUMINUM COCENXHoffman Robert F
SVP, IT and CAO
10,000$56.33$563,30067,187
(Indirect
Direct)
View
2026-03-02
Sale
2026-03-04
6:35 pm
CENTURY ALUMINUM COCENXAboud Matt
SVP, Strategy & Business Dev't
15,097$52.53$793,09864,843
(Direct)
View
2026-03-04
Sale
2026-03-04
4:53 pm
CENTURY ALUMINUM COCENXGLENCORE INTERNATIONAL AG
Glencore AG
Glencore plc
10% Owner
6,315,245$51.75$326,813,92912,184,755
(Direct)
View
2026-02-27
Sale
2026-03-03
4:56 pm
CENTURY ALUMINUM COCENXHafberg Agust F
SVP & Chief Commercial Officer
22,884$51.24$1,172,57645,059
(Direct)
View
2026-02-25
Sale
2026-02-27
5:07 pm
CENTURY ALUMINUM COCENXGudlaugsson Gunnar
EVP - Global Operations
43,000$54.1$2,326,300136,393
(Direct)
View
2026-02-23
Sale
2026-02-25
6:04 pm
CENTURY ALUMINUM COCENXDeZee John
EVP, GC and Secretary
66,000$50.72$3,347,52097,647
(Direct)
View
2026-01-23
Sale
2026-01-23
7:17 pm
CENTURY ALUMINUM COCENXGary Jesse E
President and CEO
150,000$48.19$7,228,500569,807
(Indirect
Direct)
View
2025-11-10
Sale
2025-11-13
5:59 pm
CENTURY ALUMINUM COCENXGLENCORE INTERNATIONAL AG
Glencore AG
Glencore plc
10% Owner
9,000,000$30.25$272,250,00036,005,947
(Indirect
Direct)
View
2025-09-26
Sale
2025-09-30
4:26 pm
CENTURY ALUMINUM COCENXHafberg Agust F
SVP & Chief Commercial Officer
9,493$27.91$264,95055,260
(Direct)
View
2025-09-19
Sale
2025-09-23
4:03 pm
CENTURY ALUMINUM COCENXCalloway Kenneth L
SVP, Human Resources
16,450$27.5$452,37528,706
(Direct)
View
2025-08-12
Sale
2025-08-14
4:36 pm
CENTURY ALUMINUM COCENXAboud Matt
SVP, Strategy & Business Dev't
12,027$23.27$279,86862,589
(Direct)
View
2025-03-20
Sale
2025-03-24
5:29 pm
CENTURY ALUMINUM COCENXHoffman Robert F
SVP, IT and CAO
5,000$20.24$101,20059,098
(Indirect
Direct)
View
2025-03-14
Sale
2025-03-18
6:10 pm
CENTURY ALUMINUM COCENXHoffman Robert F
SVP, IT and CAO
2,500$19.99$49,97564,098
(Indirect
Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-02-09
Tax Withholding
2026-02-11
5:37 pm
N/A
N/A
CENTURY ALUMINUM COCENXTrpkovski Peter A
EVP, CFO
4,240$54.3680,864
(Direct)
View
2026-01-12
Gift
2026-01-23
7:17 pm
N/A
N/A
CENTURY ALUMINUM COCENXGary Jesse E
President and CEO
314,611$0569,807
(Direct)
View
2025-12-31
Option Award
2026-01-05
5:03 pm
N/A
N/A
CENTURY ALUMINUM COCENXGary Jesse E
President and CEO
496,533$0719,807
(Direct)
View
2025-12-31
Tax Withholding
2026-01-05
5:03 pm
N/A
N/A
CENTURY ALUMINUM COCENXGary Jesse E
President and CEO
270,842$39.18719,807
(Direct)
View
2025-12-31
Option Award
2026-01-05
5:00 pm
N/A
N/A
CENTURY ALUMINUM COCENXGudlaugsson Gunnar
EVP - Global Operations
98,418$0179,393
(Direct)
View
2025-12-31
Tax Withholding
2026-01-05
5:00 pm
N/A
N/A
CENTURY ALUMINUM COCENXGudlaugsson Gunnar
EVP - Global Operations
62,829$39.18179,393
(Direct)
View
2025-12-31
Option Award
2026-01-05
4:57 pm
N/A
N/A
CENTURY ALUMINUM COCENXHafberg Agust F
SVP & Chief Commercial Officer
36,116$067,943
(Direct)
View
2025-12-31
Tax Withholding
2026-01-05
4:57 pm
N/A
N/A
CENTURY ALUMINUM COCENXHafberg Agust F
SVP & Chief Commercial Officer
23,433$39.1867,943
(Direct)
View
2025-12-31
Option Award
2026-01-05
4:55 pm
N/A
N/A
CENTURY ALUMINUM COCENXTrpkovski Peter A
EVP, CFO and Treasurer
31,748$085,104
(Direct)
View
2025-12-31
Tax Withholding
2026-01-05
4:55 pm
N/A
N/A
CENTURY ALUMINUM COCENXTrpkovski Peter A
EVP, CFO and Treasurer
12,135$39.1885,104
(Direct)
View
2025-12-31
Option Award
2026-01-05
4:51 pm
N/A
N/A
CENTURY ALUMINUM COCENXHoffman Robert F
SVP, IT and CAO
36,772$077,172
(Direct)
View
2025-12-31
Tax Withholding
2026-01-05
4:51 pm
N/A
N/A
CENTURY ALUMINUM COCENXHoffman Robert F
SVP, IT and CAO
18,683$39.1877,172
(Direct)
View
2025-12-31
Option Award
2026-01-05
4:48 pm
N/A
N/A
CENTURY ALUMINUM COCENXDeZee John
EVP, GC and Secretary
63,863$0163,647
(Direct)
View
2025-12-31
Tax Withholding
2026-01-05
4:48 pm
N/A
N/A
CENTURY ALUMINUM COCENXDeZee John
EVP, GC and Secretary
33,134$39.18163,647
(Direct)
View
2025-12-31
Option Award
2026-01-05
4:45 pm
N/A
N/A
CENTURY ALUMINUM COCENXCalloway Kenneth L
SVP, Human Resources
23,388$042,902
(Direct)
View
2025-12-31
Tax Withholding
2026-01-05
4:45 pm
N/A
N/A
CENTURY ALUMINUM COCENXCalloway Kenneth L
SVP, Human Resources
9,192$39.1842,902
(Direct)
View
2025-12-31
Option Award
2026-01-05
4:40 pm
N/A
N/A
CENTURY ALUMINUM COCENXAboud Matt
SVP, Strategy & Business Dev't
42,079$079,940
(Direct)
View
2025-12-31
Tax Withholding
2026-01-05
4:40 pm
N/A
N/A
CENTURY ALUMINUM COCENXAboud Matt
SVP, Strategy & Business Dev't
24,728$39.1879,940
(Direct)
View
2025-11-10
Conversion
2025-11-13
5:59 pm
N/A
N/A
CENTURY ALUMINUM COCENXGLENCORE INTERNATIONAL AG
Glencore AG
Glencore plc
10% Owner
4,998,077$036,005,947
(Indirect)
View
2025-09-30
Conversion
2025-10-02
06:00 am
N/A
N/A
CENTURY ALUMINUM COCENXGLENCORE INTERNATIONAL AG
Glencore AG
Glencore plc
10% Owner
2,876$040,106,842
(Indirect)
View
2025-06-30
Conversion
2025-07-02
08:23 am
N/A
N/A
CENTURY ALUMINUM COCENXGLENCORE INTERNATIONAL AG
Glencore AG
Glencore plc
10% Owner
16,642$040,104,022
(Indirect)
View
2025-06-16
Option Award
2025-06-18
6:31 pm
N/A
N/A
CENTURY ALUMINUM COCENXGLASSER ERROL
Director
7,778$0118,697
(Direct)
View
2025-06-16
Option Award
2025-06-18
6:28 pm
N/A
N/A
CENTURY ALUMINUM COCENXOlivier Tamla A
Director
7,778$029,673
(Direct)
View
2025-06-16
Option Award
2025-06-18
6:25 pm
N/A
N/A
CENTURY ALUMINUM COCENXMichelmore Andrew G
Director
7,778$089,089
(Direct)
View
2025-06-16
Tax Withholding
2025-06-18
6:25 pm
N/A
N/A
CENTURY ALUMINUM COCENXMichelmore Andrew G
Director
2,333$17.3689,089
(Direct)
View
2025-06-16
Option Award
2025-06-18
6:22 pm
N/A
N/A
CENTURY ALUMINUM COCENXBush Jennifer Mary
Director
7,778$046,872
(Direct)
View
2025-06-16
Option Award
2025-06-18
6:09 pm
N/A
N/A
CENTURY ALUMINUM COCENXBerntzen Jarl
Director
7,778$0208,951
(Direct)
View
2025-03-31
Conversion
2025-04-01
07:57 am
N/A
N/A
CENTURY ALUMINUM COCENXGLENCORE INTERNATIONAL AG
Glencore AG
Glencore plc
10% Owner
3,629$040,087,710
(Indirect)
View
2025-03-21
Option Award
2025-03-25
6:48 pm
N/A
N/A
CENTURY ALUMINUM COCENXTrpkovski Peter A
EVP, CFO and Treasurer
12,455$065,491
(Direct)
View
2025-02-07
Tax Withholding
2025-02-10
5:35 pm
N/A
N/A
CENTURY ALUMINUM COCENXTrpkovski Peter A
SVP, Finance and Treasurer
4,501$18.6953,036
(Direct)
View
2025-01-28
Gift
2025-01-29
5:23 pm
N/A
N/A
CENTURY ALUMINUM COCENXGary Jesse E
President and CEO
127,216$0494,116
(Direct)
View
2024-12-31
Tax Withholding
2025-01-03
5:43 pm
N/A
N/A
CENTURY ALUMINUM COCENXHoffman Robert F
SVP, IT and CAO
7,253$18.2266,598
(Direct)
View
2024-12-31
Option Award
2025-01-03
5:43 pm
N/A
N/A
CENTURY ALUMINUM COCENXHoffman Robert F
SVP, IT and CAO
21,980$066,598
(Direct)
View
2024-12-31
Tax Withholding
2025-01-03
5:40 pm
N/A
N/A
CENTURY ALUMINUM COCENXGary Jesse E
President and CEO
101,180$18.22494,116
(Direct)
View
2024-12-31
Option Award
2025-01-03
5:40 pm
N/A
N/A
CENTURY ALUMINUM COCENXGary Jesse E
President and CEO
269,886$0494,116
(Direct)
View
2024-12-31
Tax Withholding
2025-01-03
5:35 pm
N/A
N/A
CENTURY ALUMINUM COCENXGudlaugsson Gunnar
EVP - Global Operations
23,909$18.22143,804
(Direct)
View
2024-12-31
Option Award
2025-01-03
5:35 pm
N/A
N/A
CENTURY ALUMINUM COCENXGudlaugsson Gunnar
EVP - Global Operations
59,781$0143,804
(Direct)
View
2024-12-31
Tax Withholding
2025-01-03
5:31 pm
N/A
N/A
CENTURY ALUMINUM COCENXHafberg Agust F
SVP & Chief Commercial Officer
9,716$18.2264,753
(Direct)
View
2024-12-31
Option Award
2025-01-03
5:31 pm
N/A
N/A
CENTURY ALUMINUM COCENXHafberg Agust F
SVP & Chief Commercial Officer
22,091$064,753
(Direct)
View
2024-12-31
Tax Withholding
2025-01-03
5:27 pm
N/A
N/A
CENTURY ALUMINUM COCENXDeZee John
EVP, GC and Secretary
10,245$18.22132,918
(Direct)
View
2024-12-31
Option Award
2025-01-03
5:27 pm
N/A
N/A
CENTURY ALUMINUM COCENXDeZee John
EVP, GC and Secretary
41,280$0132,918
(Direct)
View
Goto 0, 1, 2, 3, Next