Director, Chief Tech Officer, Co-Founder, 10% Owner · Duolingo, Inc. · Class A Common Stock
Side
SELL
Value
$466K
Shares
1,778
Price
$261.94
Executed
Nov 4, 2025
Disclosed
Nov 6, 2025
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Nov 4 executedNov 6, 2025 disclosed
DUOL · daily
Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Disclosed 2 business days after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
Pre-arranged plan-10
Executed under a Rule 10b5-1 trading plan
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
Hacker Severin filed this Form 4 reporting a open-market sale of DUOL on Nov 4, 2025. It became public on Nov 6, 2025. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
