FilingIndex
8-KThe WireRed Alert

Executive Change · Reg FD Disclosure

Filed Dec 14, 2021 · 4y ago · Accession 0001562088-21-000053

Plain English

Material event — a significant development the company must disclose promptly.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
DUOL
CIK
1562088
Form type
8-K
Filing date
Dec 14, 2021
Report date
Dec 8, 2021
Document
duol-20211208.htm
Size
218 KB