Century Aluminum Company
US ˙ NasdaqGS ˙ US1564311082

SecurityCENX / Century Aluminum Company
InsiderJarl Berntzen
This page shows the track record and history of Berntzen Jarl insider trades in Century Aluminum Company. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Jarl Berntzen in CENX / Century Aluminum Company. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2018-10-30 10,000 7.8000 10,000 7.8000 78,000 7 9.9500 21,500 27.56

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CENX / Century Aluminum Company Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Jarl Berntzen in CENX / Century Aluminum Company. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CENX / Century Aluminum Company Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-06-18 2025-06-16 4 Berntzen Jarl CENX Common Stock A - Award D 7,778 208,951
2024-06-05 2024-06-03 4 Berntzen Jarl CENX Common Stock A - Award D 7,070 201,173
2023-06-07 2023-06-05 4 Berntzen Jarl CENX Common Stock A - Award D 14,825 194,103
2022-06-16 2022-06-14 4 Berntzen Jarl CENX Common Stock A - Award D 9,358 179,278
2021-06-16 2021-06-15 4 Berntzen Jarl CENX Common Stock A - Award D 7,737 169,920
2020-06-11 2020-06-09 4 Berntzen Jarl CENX Common Stock A - Award D 26,851 162,183
2019-06-05 2019-06-04 4 Berntzen Jarl CENX Common Stock A - Award D 19,053 135,332
2018-10-31 2018-10-30 4 Berntzen Jarl CENX Common Stock P - Purchase D 7.8000 10,000 78 116,279
2018-06-20 2018-06-19 4 Berntzen Jarl CENX Common Stock A - Award D 8,371 106,279
2017-06-22 2017-06-20 4 Berntzen Jarl CENX Common Stock A - Award D 9,342 97,908
2016-06-29 2016-06-28 4 Berntzen Jarl CENX Common Stock A - Award D 19,775 88,566
2015-11-30 2015-09-02 4/A Berntzen Jarl CENX Common Stock A - Award D 19,037 68,791
2015-09-04 2015-09-02 4 Berntzen Jarl CENX Common Stock A - Award D 18,792 68,546
2014-09-11 2014-09-09 4 Berntzen Jarl CENX Common Stock A - Award D 3,495 49,754
2013-09-26 2013-09-24 4 Berntzen Jarl CENX Common Stock A - Award D 9,004 46,259
2012-09-21 2012-09-19 4 Berntzen Jarl CENX Common Stock A - Award D 11,078 37,255
2010-06-11 2010-06-09 4 Berntzen Jarl CENX Common Stock A - Award D 6,732 21,612
2006-03-09 2006-03-08 4 Berntzen Jarl CENX Stock Option (right to buy) A - Award D 34.78 10,000 10,000
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)