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	Sep 5 '25	Sell	$268.37	10,000	$2,685,461.75	9,572	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	Aug 19 '25	Sell	$349.14	10,000	$3,445,587.09	9,572	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 SEC Form 4 SEC Form 4