DUOL

Duolingo, Inc.

Latest Form 4:Sale$355KbyGlance Natalie (Chief Engineering Officer) · filed Aug 19, 2026

Duolingo, Inc. (DUOL) has 45 SEC Form 4 filings (151 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Aug 19, 2026.

The most active filer is Chief Engineering Officer Glance Natalie with 9 filings. Insiders have net sold $3.1M over the trailing 6 months.

  • Industry:Software - Application
  • CEO:Luis Alfonso von Ahn Arellano
  • Employees:830
  • HQ:Pittsburgh, PA, US
  • IPO:2021-07-28

Insider Buying

$499K

reported purchases (SEC code P)

Insider Selling

$23.6M

reported sales (SEC code S)

Unique Insiders

6

in the rolling window

Market Cap

$7.4B

latest known value

Source
Glance NatalieFirst in 3 months
Sale$355KAug 19SEC ↗
Glance NatalieFirst in 3 months
Sale$212KAug 19SEC ↗
Meese RobertFirst in 3 months
Sale$175KAug 19SEC ↗
Chen Stephen C.First in 3 months
Sale$132KAug 19SEC ↗
Sale$216KMay 19SEC ↗
Sale$382KMay 19SEC ↗
Sale$92KMay 19SEC ↗
Sale$225KMay 19SEC ↗
Sale$159KMay 19SEC ↗
Shelton James HFirst filing
Purchase$499KMar 4SEC ↗
Skaruppa MatthewFirst in 3 months
Sale$206KFeb 20SEC ↗
Skaruppa MatthewFirst in 3 months
Sale$452KFeb 20SEC ↗
Chen Stephen C.First in 3 months
Sale$99KFeb 20SEC ↗
Chen Stephen C.First in 3 months
Sale$215KFeb 20SEC ↗
Glance NatalieFirst in 3 months
Sale$192KFeb 20SEC ↗
Glance NatalieFirst in 3 months
Sale$402KFeb 20SEC ↗
Meese RobertFirst in 3 months
Sale$110KFeb 20SEC ↗
Sale$1.7MNov 20SEC ↗
Sale$451KNov 19SEC ↗
Sale$434KNov 19SEC ↗
Skaruppa MatthewFirst filing
Sale$498KNov 19SEC ↗
Skaruppa MatthewFirst filing
Sale$538KNov 19SEC ↗
Chen Stephen C.First filing
Sale$228KNov 19SEC ↗
Chen Stephen C.First filing
Sale$266KNov 19SEC ↗
Meese RobertFirst filing
Sale$257KNov 18SEC ↗
Sale$2.6MNov 6SEC ↗
Sale$3.1MOct 22SEC ↗
Sale$3.2MOct 7SEC ↗
Glance NatalieFirst filing
Sale$1.0MOct 6SEC ↗
Sale$2.9MSep 22SEC ↗
Hacker SeverinFirst filing
Sale$2.7MSep 9SEC ↗

Related companies

Duolingo, Inc. is in the Technology sector.