Insider Transactions in Q4 2025 at Century Aluminum CO (CENX)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 31
2025
|
Gunnar Gudlaugsson EVP - Global Operations |
SELL
Payment of exercise price or tax liability
|
Direct |
62,829
-14.91%
|
$2,450,331
$39.18 P/Share
|
|
Dec 31
2025
|
Gunnar Gudlaugsson EVP - Global Operations |
BUY
Grant, award, or other acquisition
|
Direct |
82,794
+26.76%
|
-
|
|
Dec 31
2025
|
Jesse E Gary President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
270,842
-18.24%
|
$10,562,838
$39.18 P/Share
|
|
Dec 31
2025
|
Jesse E Gary President and CEO |
BUY
Grant, award, or other acquisition
|
Direct |
439,090
+35.29%
|
-
|
|
Dec 31
2025
|
Peter A Trpkovski EVP, CFO and Treasurer |
SELL
Payment of exercise price or tax liability
|
Direct |
12,135
-7.5%
|
$473,265
$39.18 P/Share
|
|
Dec 31
2025
|
Peter A Trpkovski EVP, CFO and Treasurer |
BUY
Grant, award, or other acquisition
|
Direct |
18,260
+17.9%
|
-
|
|
Dec 31
2025
|
Agust F Hafberg SVP & Chief Commercial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
23,433
-14.61%
|
$913,887
$39.18 P/Share
|
|
Dec 31
2025
|
Agust F Hafberg SVP & Chief Commercial Officer |
BUY
Grant, award, or other acquisition
|
Direct |
30,878
+26.39%
|
-
|
|
Dec 31
2025
|
Robert F Hoffman SVP, IT and CAO |
SELL
Payment of exercise price or tax liability
|
Direct |
18,683
-10.84%
|
$728,637
$39.18 P/Share
|
|
Dec 31
2025
|
Robert F Hoffman SVP, IT and CAO |
BUY
Grant, award, or other acquisition
|
Direct |
31,650
+25.86%
|
-
|
|
Dec 31
2025
|
Kenneth L Calloway SVP, Human Resources |
SELL
Payment of exercise price or tax liability
|
Direct |
9,192
-10.33%
|
$358,488
$39.18 P/Share
|
|
Dec 31
2025
|
Kenneth L Calloway SVP, Human Resources |
BUY
Grant, award, or other acquisition
|
Direct |
18,150
+27.92%
|
-
|
|
Dec 31
2025
|
John De Zee EVP, GC and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
33,134
-9.27%
|
$1,292,226
$39.18 P/Share
|
|
Dec 31
2025
|
John De Zee EVP, GC and Secretary |
BUY
Grant, award, or other acquisition
|
Direct |
54,042
+22.42%
|
-
|
|
Dec 31
2025
|
Matt Aboud SVP, Strategy & Business Dev't |
SELL
Payment of exercise price or tax liability
|
Direct |
24,728
-13.3%
|
$964,392
$39.18 P/Share
|
|
Dec 31
2025
|
Matt Aboud SVP, Strategy & Business Dev't |
BUY
Grant, award, or other acquisition
|
Direct |
36,550
+26.94%
|
-
|
|
Nov 10
2025
|
International Ag Glencore > 10% Shareholder |
BUY
Conversion of derivative security
|
Indirect |
4,948,591
+22.04%
|
-
|
|
Nov 10
2025
|
International Ag Glencore > 10% Shareholder |
SELL
Open market or private sale
|
Direct |
9,000,000
-32.73%
|
$270,000,000
$30.25 P/Share
|