Hacker Severin

Chief Tech Officer, Co-Founder of DUOL

Stock Insider Trading Activity of Hacker Severin

Name	Ticker	Relationship	Date	Transaction	AVG Cost Per Share	Shares	Total Value	Securities Owned After Transaction(s)	SEC Form 4
Hacker Severin	DUOL	Chief Tech Officer, Co-Founder	Nov 4 '25	Sell	$262.45	10,000	$2,631,299.18	9,328	SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4
Hacker Severin	DUOL	Chief Tech Officer, Co-Founder	Oct 20 '25	Sell	$315.19	10,000	$3,147,198.33	9,328	SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4 SEC Form 4