Insider Trading & Ownership of Hacker Severin

Location
Pittsburgh, PA
Summary
The estimated net worth of Hacker Severin is at least $710,745,504 dollars as of 09 Dec 2025. Hacker Severin is the Chief Tech Officer, Co-Founder, Director, 10%+ Owner of Duolingo, Inc. and owns shares of Duolingo, Inc. (DUOL) stock worth about $710.75M.
Signature
/s/ Stephen Chen, as Attorney-in-Fact for Severin Hacker
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Ownership of Hacker Severin

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
DUOL Duolingo, Inc. Chief Tech Officer, Co-Founder, Director, 10%+ Owner $710,745,504 -$67,183,688 -8.6% 08 Dec 2025

Insider Transactions Reported by Hacker Severin:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.