CIK 0000949157 · Large accelerated filer
CENTURY ALUMINUM CO
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2025-12-31 | Trpkovski Peter A EVP, CFO and Treasurer | Shares withheld for taxes | −4,045 | $39.18 | $158K | 71,616 |
| 2025-12-31 | Hoffman Robert F SVP, IT and CAO | Grant or award | +31,650 | 90,733 | ||
| 2025-12-31 | Hoffman Robert F SVP, IT and CAO | Shares withheld for taxes | −12,455 | $39.18 | $488K | 78,278 |
| 2025-12-31 | Hoffman Robert F SVP, IT and CAO | Shares withheld for taxes | −6,228 | $39.18 | $244K | 72,050 |
| 2025-12-31 | DeZee John EVP, GC and Secretary | Grant or award | +54,042 | 186,960 | ||
| 2025-12-31 | DeZee John EVP, GC and Secretary | Shares withheld for taxes | −21,163 | $39.18 | $829K | 165,797 |
| 2025-12-31 | DeZee John EVP, GC and Secretary | Shares withheld for taxes | −11,971 | $39.18 | $469K | 153,826 |
| 2025-12-31 | Calloway Kenneth L SVP, Human Resources | Grant or award | +18,150 | 46,856 | ||
| 2025-12-31 | Calloway Kenneth L SVP, Human Resources | Shares withheld for taxes | −5,469 | $39.18 | $214K | 41,387 |
| 2025-12-31 | Calloway Kenneth L SVP, Human Resources | Shares withheld for taxes | −3,723 | $39.18 | $146K | 37,664 |
| 2025-12-31 | Aboud Matt SVP, Strategy & Business Dev't | Grant or award | +36,550 | 99,139 | ||
| 2025-12-31 | Aboud Matt SVP, Strategy & Business Dev't | Shares withheld for taxes | −16,485 | $39.18 | $646K | 82,654 |
| 2025-12-31 | Aboud Matt SVP, Strategy & Business Dev't | Shares withheld for taxes | −8,243 | $39.18 | $323K | 74,411 |
| 2025-11-10 | GLENCORE INTERNATIONAL AG 10% owner | Sale | −9,000,000 | $30.25 | $272.3M | 18,500,000 |
| 2025-11-10 | GLENCORE INTERNATIONAL AG 10% owner | Conversion | +4,948,591 | 17,505,947 | ||
| 2025-11-10 | GLENCORE INTERNATIONAL AG 10% owner | Conversion · Series A Convertible Preferred Stock | −49,485.91 | 0 | ||
| 2025-09-30 | GLENCORE INTERNATIONAL AG 10% owner | Conversion | +2,848 | 12,557,356 | ||
| 2025-09-30 | GLENCORE INTERNATIONAL AG 10% owner | Conversion · Series A Convertible Preferred Stock | −28.48 | 49,485.91 | ||
| 2025-09-26 | Hafberg Agust F SVP & Chief Commercial Officer | Sale | −9,493 | $27.91 | $265K | 55,260 |
| 2025-09-19 | Calloway Kenneth L SVP, Human Resources | Sale | −16,450 | $27.50 | $452K | 28,706 |
Page 3 of 21 · 401 trades