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Gudlaugsson Gunnar – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
CENX	Gudlaugsson Gunnar	EVP - Global Operations	Feb 25 '26	Sale	54.10	43,000	2,326,300	136,393	Feb 27
CENX	Gudlaugsson Gunnar	EVP - Global Operations	Dec 05 '24	Sale	23.85	20,000	477,000	107,932	Dec 09
CENX	Gudlaugsson Gunnar	EVP - Global Operations	Mar 03 '21	Sale	17.74	5,473	97,091	27,140	Mar 05