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CENTURY ALUMINUM COMPANY (CENX) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:CENX - US1564311082 - Common Stock

42.23 USD
-1.6 (-3.65%)
Last: 1/6/2026, 8:19:56 PM
41.91 USD
-0.32 (-0.76%)
Pre-Market: 1/7/2026, 4:25:17 AM
CENX Ownership Chart.CENX Ownership Chart: showing Insider, Institutional ownership and shares available to the public.CENX Ownership.InsiderInstitutionalPublic



Shares Outstanding93.34M
Float56.27M
Float Short Interest Percentage13.46%
Owners (insider)0.94%
Owners (institutional)63.84%
Owners (insider) change-18.64%
Owners (institutional) change0.16%
CENX Institutional Ownership HistoryCENX Institutional Ownership HistoryCENX Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M 80M
CENX Historical Insider Transactions ChartCENX Historical Insider Buy and Sell Transactions ChartCENX Historical Insider Transactions Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 0 10M -10M -20M
Date Name Type Shares Price Amount
Dec 31, 2025 Trpkovski Peter A Grant 31748 0.00 $ 0.00
Dec 31, 2025 Trpkovski Peter A Option Excercise 12135 39.18 $ 475,449.30
Dec 31, 2025 Hoffman Robert F Grant 36772 0.00 $ 0.00
Dec 31, 2025 Hoffman Robert F Option Excercise 18683 39.18 $ 731,999.94
Dec 31, 2025 DeZee John Grant 63863 0.00 $ 0.00
Dec 31, 2025 DeZee John Option Excercise 33134 39.18 $ 1,298,190.12
Dec 31, 2025 Calloway Kenneth L Grant 23388 0.00 $ 0.00
Dec 31, 2025 Calloway Kenneth L Option Excercise 9192 39.18 $ 360,142.56
Dec 31, 2025 Aboud Matt Grant 42079 0.00 $ 0.00
Dec 31, 2025 Aboud Matt Option Excercise 24728 39.18 $ 968,843.04
Dec 31, 2025 Gary Jesse E Grant 496533 0.00 $ 0.00
Dec 31, 2025 Gary Jesse E Option Excercise 270842 39.18 $ 10,611,589.56
Dec 31, 2025 Gudlaugsson Gunnar Grant 98418 0.00 $ 0.00
Dec 31, 2025 Gudlaugsson Gunnar Option Excercise 62829 39.18 $ 2,461,640.22
Dec 31, 2025 Hafberg Agust F Grant 36116 0.00 $ 0.00
Dec 31, 2025 Hafberg Agust F Option Excercise 23433 39.18 $ 918,104.94
Nov 10, 2025 GLENCORE INTERNATIONAL AG Open Market Sale 9000000 30.25 $ 272,250,000.00
Nov 10, 2025 Glencore AG Open Market Sale 9000000 30.25 $ 272,250,000.00
Nov 10, 2025 Glencore plc Open Market Sale 9000000 30.25 $ 272,250,000.00
Nov 10, 2025 GLENCORE INTERNATIONAL AG Other Aquisition 4948591 $ 0.00
Nov 10, 2025 Glencore AG Other Aquisition 4948591 $ 0.00
Nov 10, 2025 Glencore plc Other Aquisition 4948591 $ 0.00
Sep 30, 2025 GLENCORE INTERNATIONAL AG Other Aquisition 2848 $ 0.00
Sep 30, 2025 Glencore AG Other Aquisition 2848 $ 0.00
Sep 30, 2025 Glencore plc Other Aquisition 2848 $ 0.00
Sep 26, 2025 Hafberg Agust F Open Market Sale 9493 27.91 $ 264,949.63
Sep 19, 2025 Calloway Kenneth L Open Market Sale 16450 27.50 $ 452,375.00
Aug 12, 2025 Aboud Matt Open Market Sale 12027 23.27 $ 279,868.29
Jun 30, 2025 GLENCORE INTERNATIONAL AG Other Aquisition 16477 $ 0.00
Jun 30, 2025 Glencore AG Other Aquisition 16477 $ 0.00
Jun 30, 2025 Glencore plc Other Aquisition 16477 $ 0.00
Jun 16, 2025 GLASSER ERROL Grant 7778 0.00 $ 0.00
Jun 16, 2025 Olivier Tamla A Grant 7778 0.00 $ 0.00
Jun 16, 2025 Michelmore Andrew G Grant 7778 0.00 $ 0.00
Jun 16, 2025 Michelmore Andrew G Option Excercise 2333 17.36 $ 40,500.88
Jun 16, 2025 Bush Jennifer Mary Grant 7778 0.00 $ 0.00
Jun 16, 2025 Berntzen Jarl Grant 7778 0.00 $ 0.00
Mar 31, 2025 GLENCORE INTERNATIONAL AG Other Aquisition 3593 $ 0.00
Mar 31, 2025 Glencore AG Other Aquisition 3593 $ 0.00
Mar 31, 2025 Glencore plc Other Aquisition 3593 $ 0.00
Mar 21, 2025 Trpkovski Peter A Grant 12455 0.00 $ 0.00
Mar 20, 2025 Hoffman Robert F Open Market Sale 5000 20.24 $ 101,200.00
Mar 14, 2025 Hoffman Robert F Open Market Sale 2500 19.99 $ 49,975.00
Feb 7, 2025 Trpkovski Peter A Option Excercise 4501 18.69 $ 84,123.69
Jan 28, 2025 Gary Jesse E Other Disposition 254432 0.00 $ 0.00