Severin Hacker

Chief Tech Officer, Co-Founder, Director, 10% owner, Duolingo

Bought, 12 months

$0.0M

Sold, 12 months

$4.4M

Companies

Latest trade

Nov 19, 2025

Companies

DuolingoChief Tech Officer, Co-Founder, Director, 10% owner −$10.7M

Trades

DUOL Sold 10,000 shares at $172.75 · planned $1.7M Nov 19

DUOL Sold 10,000 shares at $263.13 · planned $2.6M Nov 4

DUOL Sold 10,000 shares at $314.72 · planned $3.1M Oct 20

DUOL Sold 10,000 shares at $321.63 · planned $3.2M Oct 6

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.