HAFBERG AGUST F

PrivateCIK: 2049924
Location

CHICAGO, IL

HAFBERG AGUST F (SVP & Chief Commercial Officer) sold 33.7% of their position (22.88K shares) of CENTURY ALUMINUM CO on the open market

Open‑market sale worth $1.17M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHAFBERG AGUST FCIK 2049924
IssuerCENTURY ALUMINUM COCIK 949157
Officer· SVP & Chief Commercial Officer
Since Feb 2026
-22.88K
Net shares
Net seller
$1.17M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
22.88K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

22.88K

Price / share

$51.24

Trade value

$1.17M

% of position

33.7%
2/27/2026
67.94K45.06K
Total

Net shares

22.88K

Net value

-$1.17M

Derivative Transactions0
No derivative transactions reported
HAFBERG AGUST F — Insider Transaction (Form 4) Filed Mar 3, 2026 | Finecho