LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
CENXCIK 0000949157

CENTURY ALUMINUM CO

56 transactions by 14 insiders, from November 10, 2025 to June 15, 2026.

Transactions
5614 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$625.3Mopen market
Net
−$625.3Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Jesse E. GaryCEO84/8—$15.5M
Peter A. TrpkovskiCFO6——$845K
Matt AboudSVP6——$793K
Robert F. HoffmanSVP6——$1.2M
Agust F. HafbergChief5——$1.2M
Gunnar GudlaugssonEVP5——$2.3M
John DeZeeGC5——$3.3M
Kenneth L. CallowaySVP5——$1.0M
Andrew G. MichelmoreDir2———
Jarl BerntzenDir1———
Jennifer Mary BushDir1———
Tamla A. OlivierDir1———
Errol GlasserDir1———

Large holders and funds

Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.

InsiderTradesPlannedBoughtSold
International Ag Glencore10%4——$599.1M

All transactions

56 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Errol GlasserDirJun 15A2,172$0.00—
Andrew G. MichelmoreDirJun 15F652$54.55$36K
Andrew G. MichelmoreDirJun 15A2,172$0.00—
Tamla A. OlivierDirJun 15A2,172$0.00—
Jennifer Mary BushDirJun 15A2,172$0.00—
Jarl BerntzenDirJun 15A2,172$0.00—
Peter A. TrpkovskiCFOMar 25S16,739$50.51$845K
Jesse E. GaryCEOMar 16SPLAN150,000$55.47$8.3M
Kenneth L. CallowaySVPMar 12S18,000$58.00$1.0M
Robert F. HoffmanSVPMar 11S10,529$56.51$595K
Robert F. HoffmanSVPMar 4S10,000$56.33$563K
International Ag Glencore10%JOINTMar 4S6,315,245$51.75$326.8M
Matt AboudSVPMar 3S2,971$52.67$156K
Matt AboudSVPMar 2S12,126$52.50$637K
Agust F. HafbergChiefFeb 27S22,884$51.24$1.2M
Gunnar GudlaugssonEVPFeb 25S43,000$54.10$2.3M
John DeZeeGCFeb 23S66,000$50.72$3.3M
Peter A. TrpkovskiCFOFeb 9F4,240$54.36$230K
Jesse E. GaryCEOJan 23SPLAN150,000$48.19$7.2M
Jesse E. GaryCEOJan 12GPLAN314,611$0.00—
Jesse E. GaryCEOJan 12GPLAN314,611$0.00—
Jesse E. GaryCEOJan 1A57,443$0.00—
Jesse E. GaryCEODec 31F67,711$39.18$2.7M
Jesse E. GaryCEODec 31F203,131$39.18$8.0M
Jesse E. GaryCEODec 31A439,090$0.00—
Gunnar GudlaugssonEVPJan 1A15,624$0.00—
Gunnar GudlaugssonEVPDec 31F20,943$39.18$821K
Gunnar GudlaugssonEVPDec 31F41,886$39.18$1.6M
Gunnar GudlaugssonEVPDec 31A82,794$0.00—
Agust F. HafbergChiefJan 1A5,238$0.00—
Agust F. HafbergChiefDec 31F7,811$39.18$306K
Agust F. HafbergChiefDec 31F15,622$39.18$612K
Agust F. HafbergChiefDec 31A30,878$0.00—
Peter A. TrpkovskiCFOJan 1A13,488$0.00—
Peter A. TrpkovskiCFODec 31F4,045$39.18$158K
Peter A. TrpkovskiCFODec 31F8,090$39.18$317K
Peter A. TrpkovskiCFODec 31A18,260$0.00—
Robert F. HoffmanSVPJan 1A5,122$0.00—
Robert F. HoffmanSVPDec 31F6,228$39.18$244K
Robert F. HoffmanSVPDec 31F12,455$39.18$488K
Robert F. HoffmanSVPDec 31A31,650$0.00—
John DeZeeGCJan 1A9,821$0.00—
John DeZeeGCDec 31F11,971$39.18$469K
John DeZeeGCDec 31F21,163$39.18$829K
John DeZeeGCDec 31A54,042$0.00—
Kenneth L. CallowaySVPJan 1A5,238$0.00—
Kenneth L. CallowaySVPDec 31F3,723$39.18$146K
Kenneth L. CallowaySVPDec 31F5,469$39.18$214K
Kenneth L. CallowaySVPDec 31A18,150$0.00—
Matt AboudSVPJan 1A5,529$0.00—
Matt AboudSVPDec 31F8,243$39.18$323K
Matt AboudSVPDec 31F16,485$39.18$646K
Matt AboudSVPDec 31A36,550$0.00—
International Ag Glencore10%DERIVJOINTNov 10C49,486——
International Ag Glencore10%JOINTNov 10C4,948,591——
International Ag Glencore10%JOINTNov 10S9,000,000$30.25$272.3M