GM

Gillian Munson

Gillian Munson is an officer or director at Duolingo. They also file at Phreesia (director). Their most recent Section 16 filing is from March 2026.

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officer or director at Duolingo

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Duolingo's own A/B tests are the witness in a securities suit over its growth story

A Michigan police and fire pension fund alleges Duolingo's own A/B tests, experiments comparing versions of the app on different users, showed friction and fast AI content shrinking daily active user growth while executives called it sustainable. The DAU rate has since turned back up, and that recovery is the part no court will decide.

· 3 min read

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