CIK 0000949157 · Large accelerated filer
CENTURY ALUMINUM CO
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- CENX
- Exchange
- Nasdaq
- Industry
- Primary Production of Aluminum
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 133070826
- Phone
- 3126963101
- Business address
- 1 SOUTH WACKER DRIVE, SUITE 1000, CHICAGO, IL, 60606
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-06-15 | Berntzen Jarl Director | Grant or award | +2,172 | 211,123 | ||
| 2026-06-15 | GLASSER ERROL Director | Grant or award | +2,172 | 120,869 | ||
| 2026-06-15 | Michelmore Andrew G Director | Grant or award | +2,172 | 91,261 | ||
| 2026-06-15 | Michelmore Andrew G Director | Shares withheld for taxes | −652 | $54.55 | $36K | 90,609 |
| 2026-06-15 | Bush Jennifer Mary Director | Grant or award | +2,172 | 49,044 | ||
| 2026-06-15 | Olivier Tamla A Director | Grant or award | +2,172 | 31,845 | ||
| 2026-03-25 | Trpkovski Peter A EVP, CFO | Sale | −16,739 | $50.51 | $845K | 64,125 |
| 2026-03-16 | Gary Jesse E President and CEO | Sale 10b5-1 | −150,000 | $55.47 | $8.3M | 142,580 |
| 2026-03-12 | Calloway Kenneth L SVP, Human Resources | Sale | −18,000 | $58.00 | $1.0M | 24,902 |
| 2026-03-11 | Hoffman Robert F SVP, IT and CAO | Sale | −10,529 | $56.51 | $595K | 56,643 |
| 2026-03-04 | Hoffman Robert F SVP, IT and CAO | Sale | −10,000 | $56.33 | $563K | 67,172 |
| 2026-03-04 | GLENCORE INTERNATIONAL AG 10% owner | Sale | −6,315,245 | $51.75 | $326.8M | 12,184,755 |
| 2026-03-03 | Aboud Matt SVP, Strategy & Business Dev't | Sale | −2,971 | $52.67 | $156K | 64,843 |
| 2026-03-02 | Aboud Matt SVP, Strategy & Business Dev't | Sale | −12,126 | $52.50 | $637K | 67,814 |
| 2026-02-27 | Hafberg Agust F SVP & Chief Commercial Officer | Sale | −22,884 | $51.24 | $1.2M | 45,059 |
| 2026-02-25 | Gudlaugsson Gunnar EVP - Global Operations | Sale | −43,000 | $54.10 | $2.3M | 136,393 |
| 2026-02-23 | DeZee John EVP, GC and Secretary | Sale | −66,000 | $50.72 | $3.3M | 97,647 |
| 2026-02-09 | Trpkovski Peter A EVP, CFO | Shares withheld for taxes | −4,240 | $54.36 | $230K | 80,864 |
| 2026-01-23 | Gary Jesse E President and CEO | Sale 10b5-1 | −150,000 | $48.19 | $7.2M | 292,580 |
| 2026-01-12 | Gary Jesse E President and CEO | Gift 10b5-1 | −314,611 | 277,227 |
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