Duolingo Inc. (NASDAQ:DUOL) shares fell as much as 4.6% during mid-day trading on Wednesday, May 20, 2026. The stock reached a session low of $106.80. This price represents a decline from the previous close of $114.10. Reports of insider selling activity triggered the drop in investor sentiment.
Securities and Exchange Commission filings revealed stock sales by Chief Business Officer Robert Meese on May 15. Insider Natalie Glance also sold shares on May 18. These transactions were executed to cover tax withholding obligations related to the vesting of equity awards.