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SC Filed 2020-08-20 Event — SEC 0001104659-20-097119 →

GLENCORE INTERNATIONAL AG CENTURY ALUMINUM CO CENX

Stake: Shares:

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)
54 transactions
16 buys · 16 sales · 1 awards/exercises
Issuer Cluster
4 13D/G filings on this issuer
3 other filings besides this one
Filer Track Record
5 filings by this filer
4 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 5.11
9,776,994 shares short · +2.5% vs prior

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-03-25 Trpkovski Peter A officer Sale 16,739 $50.51 $845K
2026-03-16 Gary Jesse E director, officer Sale 150,000 $55.47 $8.32M
2026-03-12 Calloway Kenneth L officer Sale 18,000 $58.00 $1.04M
2026-03-11 Hoffman Robert F officer Sale 10,529 $56.51 $595K
2026-03-04 Hoffman Robert F officer Sale 10,000 $56.33 $563K
2026-03-04 GLENCORE INTERNATIONAL AG 10%+ owner Sale 6,315,245 $51.75 $326.81M
2026-03-03 Aboud Matt officer Sale 2,971 $52.67 $156K
2026-03-02 Aboud Matt officer Sale 12,126 $52.50 $637K
2026-02-27 Hafberg Agust F officer Sale 22,884 $51.24 $1.17M
2026-02-25 Gudlaugsson Gunnar officer Sale 43,000 $54.10 $2.33M
2026-02-23 DeZee John officer Sale 66,000 $50.72 $3.35M
2026-02-09 Trpkovski Peter A officer F 4,240 $54.36 $230K
2026-01-23 Gary Jesse E director, officer Sale 150,000 $48.19 $7.23M
2026-01-12 Gary Jesse E director, officer Gift 314,611
2026-01-01 Aboud Matt officer Award 5,529
2026-01-01 Calloway Kenneth L officer Award 5,238
2026-01-01 DeZee John officer Award 9,821
2026-01-01 Hoffman Robert F officer Award 5,122
2026-01-01 Trpkovski Peter A officer Award 13,488
2026-01-01 Hafberg Agust F officer Award 5,238
2026-01-01 Gudlaugsson Gunnar officer Award 15,624
2026-01-01 Gary Jesse E director, officer Award 57,443
2025-12-31 Gary Jesse E director, officer Award 439,090
2025-12-31 Gudlaugsson Gunnar officer Award 82,794
2025-12-31 Hafberg Agust F officer Award 30,878
Showing 25 of 54

Other 13D/G Filings on CENTURY ALUMINUM CO

FiledFormFilerStakeShares
2025-11-12 SCHEDULE GLENCORE INTERNATIONAL AG 36.60% 36,005,947 view →
2024-01-05 SC GLENCORE INTERNATIONAL AG view →
2020-09-30 SC GLENCORE INTERNATIONAL AG view →

Other Filings by GLENCORE INTERNATIONAL AG

FiledFormIssuerStakeShares
2026-05-22 SCHEDULE 13G Chilean Cobalt Corp. COBA view →
2025-11-12 SCHEDULE CENTURY ALUMINUM CO CENX 36.60% 36,005,947 view →
2024-01-05 SC CENTURY ALUMINUM CO CENX view →
2020-09-30 SC CENTURY ALUMINUM CO CENX view →

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