CENX insider transaction filings
CENTURY ALUMINUM CO — 42 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-06-17. Screen CENX transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-17 | 4 | Olivier Tamla A — Director | Grant/award (A): 2,172 @ $0 | EDGAR |
| 2026-06-17 | 4 | Bush Jennifer Mary — Director | Grant/award (A): 2,172 @ $0 | EDGAR |
| 2026-06-17 | 4 | Michelmore Andrew G — Director | Grant/award (A): 2,172 @ $0 · Tax withholding (F): 652 @ $54.55 | EDGAR |
| 2026-06-17 | 4 | Berntzen Jarl — Director | Grant/award (A): 2,172 @ $0 | EDGAR |
| 2026-06-17 | 4 | GLASSER ERROL — Director | Grant/award (A): 2,172 @ $0 | EDGAR |
| 2026-03-27 | 4 | Trpkovski Peter A — EVP, CFO | Sale (S): 16,739 @ $50.51 | EDGAR |
| 2026-03-17 | 4 | Gary Jesse E — President and CEO, Director | Sale (S): 150,000 @ $55.47 | EDGAR |
| 2026-03-13 | 4 | Calloway Kenneth L — SVP, Human Resources | Sale (S): 18,000 @ $58 | EDGAR |
| 2026-03-13 | 4 | Hoffman Robert F — SVP, IT and CAO | Sale (S): 10,529 @ $56.51 | EDGAR |
| 2026-03-06 | 4 | Hoffman Robert F — SVP, IT and CAO | Sale (S): 10,000 @ $56.33 | EDGAR |
| 2026-03-04 | 4 | Aboud Matt — SVP, Strategy & Business Dev't | Sale (S): 12,126 @ $52.50 · Sale (S): 2,971 @ $52.67 | EDGAR |
| 2026-03-04 | 4 | GLENCORE INTERNATIONAL AG — 10% owner Glencore AG — 10% owner Glencore plc — 10% owner | Sale (S): 6,315,245 @ $51.75 | EDGAR |
| 2026-03-03 | 4 | Hafberg Agust F — SVP & Chief Commercial Officer | Sale (S): 22,884 @ $51.24 | EDGAR |
| 2026-02-27 | 4 | Gudlaugsson Gunnar — EVP - Global Operations | Sale (S): 43,000 @ $54.10 | EDGAR |
| 2026-02-25 | 4 | DeZee John — EVP, GC and Secretary | Sale (S): 66,000 @ $50.72 | EDGAR |
| 2026-02-11 | 4 | Trpkovski Peter A — EVP, CFO | Tax withholding (F): 4,240 @ $54.36 | EDGAR |
| 2026-01-23 | 4 | Gary Jesse E — President and CEO, Director | Gift (G): 314,611 @ $0 · Gift (G): 314,611 @ $0 · Sale (S): 150,000 @ $48.19 | EDGAR |
| 2026-01-05 | 4 | Hafberg Agust F — SVP & Chief Commercial Officer | Grant/award (A): 30,878 @ $0 · Tax withholding (F): 15,622 @ $39.18 · Tax withholding (F): 7,811 @ $39.18 · Grant/award (A): 5,238 @ $0 | EDGAR |
| 2026-01-05 | 4 | Calloway Kenneth L — SVP, Human Resources | Grant/award (A): 18,150 @ $0 · Tax withholding (F): 5,469 @ $39.18 · Tax withholding (F): 3,723 @ $39.18 · Grant/award (A): 5,238 @ $0 | EDGAR |
| 2026-01-05 | 4 | Trpkovski Peter A — EVP, CFO and Treasurer | Grant/award (A): 18,260 @ $0 · Tax withholding (F): 8,090 @ $39.18 · Tax withholding (F): 4,045 @ $39.18 · Grant/award (A): 13,488 @ $0 | EDGAR |
| 2026-01-05 | 4 | Aboud Matt — SVP, Strategy & Business Dev't | Grant/award (A): 36,550 @ $0 · Tax withholding (F): 16,485 @ $39.18 · Tax withholding (F): 8,243 @ $39.18 · Grant/award (A): 5,529 @ $0 | EDGAR |
| 2026-01-05 | 4 | DeZee John — EVP, GC and Secretary | Grant/award (A): 54,042 @ $0 · Tax withholding (F): 21,163 @ $39.18 · Tax withholding (F): 11,971 @ $39.18 · Grant/award (A): 9,821 @ $0 | EDGAR |
| 2026-01-05 | 4 | Gudlaugsson Gunnar — EVP - Global Operations | Grant/award (A): 82,794 @ $0 · Tax withholding (F): 41,886 @ $39.18 · Tax withholding (F): 20,943 @ $39.18 · Grant/award (A): 15,624 @ $0 | EDGAR |
| 2026-01-05 | 4 | Hoffman Robert F — SVP, IT and CAO | Grant/award (A): 31,650 @ $0 · Tax withholding (F): 12,455 @ $39.18 · Tax withholding (F): 6,228 @ $39.18 · Grant/award (A): 5,122 @ $0 | EDGAR |
| 2026-01-05 | 4 | Gary Jesse E — President and CEO, Director | Grant/award (A): 439,090 @ $0 · Tax withholding (F): 203,131 @ $39.18 · Tax withholding (F): 67,711 @ $39.18 · Grant/award (A): 57,443 @ $0 | EDGAR |
| 2025-11-13 | 4 | GLENCORE INTERNATIONAL AG — 10% owner Glencore AG — 10% owner Glencore plc — 10% owner | Sale (S): 9,000,000 @ $30.25 · Conversion (C): 4,948,591 · Conversion (C): 49,485.91 (derivative) | EDGAR |
| 2025-10-02 | 4 | GLENCORE INTERNATIONAL AG — 10% owner Glencore AG — 10% owner Glencore plc — 10% owner | Conversion (C): 2,848 · Conversion (C): 28.48 (derivative) | EDGAR |
| 2025-09-30 | 4 | Hafberg Agust F — SVP & Chief Commercial Officer | Sale (S): 9,493 @ $27.91 | EDGAR |
| 2025-09-23 | 4 | Calloway Kenneth L — SVP, Human Resources | Sale (S): 16,450 @ $27.50 | EDGAR |
| 2025-08-14 | 4 | Aboud Matt — SVP, Strategy & Business Dev't | Sale (S): 12,027 @ $23.27 | EDGAR |
| 2025-07-02 | 4 | GLENCORE INTERNATIONAL AG — 10% owner Glencore AG — 10% owner Glencore plc — 10% owner | Conversion (C): 16,477 · Conversion (C): 164.77 (derivative) | EDGAR |
| 2025-06-18 | 4 | Olivier Tamla A — Director | Grant/award (A): 7,778 @ $0 | EDGAR |
| 2025-06-18 | 4 | Bush Jennifer Mary — Director | Grant/award (A): 7,778 @ $0 | EDGAR |
| 2025-06-18 | 4 | Michelmore Andrew G — Director | Grant/award (A): 7,778 @ $0 · Tax withholding (F): 2,333 @ $17.36 | EDGAR |
| 2025-06-18 | 4 | Berntzen Jarl — Director | Grant/award (A): 7,778 @ $0 | EDGAR |
| 2025-06-18 | 4 | GLASSER ERROL — Director | Grant/award (A): 7,778 @ $0 | EDGAR |
| 2025-04-01 | 4 | GLENCORE INTERNATIONAL AG — 10% owner Glencore AG — 10% owner Glencore plc — 10% owner | Conversion (C): 3,593 · Conversion (C): 35.93 (derivative) | EDGAR |
| 2025-03-25 | 4 | Trpkovski Peter A — EVP, CFO and Treasurer | Grant/award (A): 12,455 @ $0 | EDGAR |
| 2025-03-24 | 4 | Hoffman Robert F — SVP, IT and CAO | Sale (S): 5,000 @ $20.24 | EDGAR |
| 2025-03-18 | 4 | Hoffman Robert F — SVP, IT and CAO | Sale (S): 2,500 @ $19.99 | EDGAR |
| 2025-02-10 | 4 | Trpkovski Peter A — SVP, Finance and Treasurer | Tax withholding (F): 4,501 @ $18.69 | EDGAR |
| 2025-01-29 | 4 | Gary Jesse E — President and CEO, Director | Gift (G): 127,216 @ $0 · Gift (G): 127,216 @ $0 | EDGAR |
Recent 8-K events — CENTURY ALUMINUM CO
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-17 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-03 | 8-K | 4.02 — Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review | EDGAR |
| 2026-02-19 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-02 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.01 — Completion of Acquisition or Disposition of Assets 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-21 | 8-K/A | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-06 | 8-K | 2.01 — Completion of Acquisition or Disposition of Assets 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-22 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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