Loading DUOL…
SEC filing
DUOL · CIK 1562088
4 · Aug 19, 2026 · General Counsel Chen Stephen C. sold 1,024 Class A Common Stock at $129.13/unit ($132.2K)
General Counsel Chen Stephen C. sold 1,024 Class A Common Stock at $129.13/unit ($132.2K)
FORM 4
Graphics and non-inline formats (not embedded below).