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 | Chief Engineering Officer | Sale | 2,751 | $355K | Aug 19 | SEC ↗ |
Glance NatalieFirst in 3 months | Chief Engineering Officer | Sale | 1,539 | $212K | Aug 19 | SEC ↗ |
Meese RobertFirst in 3 months | Chief Business Officer | Sale | 1,354 | $175K | Aug 19 | SEC ↗ |
Chen Stephen C.First in 3 months | General Counsel | Sale | 1,024 | $132K | Aug 19 | SEC ↗ |
| Chief Engineering Officer | Sale | 1,929 | $216K | May 19 | SEC ↗ | |
| Chief Engineering Officer | Sale | 3,360 | $382K | May 19 | SEC ↗ | |
| General Counsel | Sale | 820 | $92K | May 19 | SEC ↗ | |
| General Counsel | Sale | 1,977 | $225K | May 19 | SEC ↗ | |
| Chief Business Officer | Sale | 1,420 | $159K | May 19 | SEC ↗ | |
Shelton James HFirst filing | Director | Purchase | 5,000 | $499K | Mar 4 | SEC ↗ |
Skaruppa MatthewFirst in 3 months | Chief Financial Officer | Sale | 1,870 | $206K | Feb 20 | SEC ↗ |
Skaruppa MatthewFirst in 3 months | Chief Financial Officer | Sale | 3,986 | $452K | Feb 20 | SEC ↗ |
Chen Stephen C.First in 3 months | General Counsel | Sale | 896 | $99K | Feb 20 | SEC ↗ |
Chen Stephen C.First in 3 months | General Counsel | Sale | 1,901 | $215K | Feb 20 | SEC ↗ |
Glance NatalieFirst in 3 months | Chief Engineering Officer | Sale | 1,741 | $192K | Feb 20 | SEC ↗ |
Glance NatalieFirst in 3 months | Chief Engineering Officer | Sale | 3,545 | $402K | Feb 20 | SEC ↗ |
Meese RobertFirst in 3 months | Chief Business Officer | Sale | 1,000 | $110K | Feb 20 | SEC ↗ |
| Chief Tech Officer, Co-Founder | Sale | 10,000 | $1.7M | Nov 20 | SEC ↗ | |
| Chief Engineering Officer | Sale | 2,534 | $451K | Nov 19 | SEC ↗ | |
| Chief Engineering Officer | Sale | 2,471 | $434K | Nov 19 | SEC ↗ | |
Skaruppa MatthewFirst filing | Chief Financial Officer | Sale | 2,799 | $498K | Nov 19 | SEC ↗ |
Skaruppa MatthewFirst filing | Chief Financial Officer | Sale | 3,059 | $538K | Nov 19 | SEC ↗ |
Chen Stephen C.First filing | General Counsel | Sale | 1,282 | $228K | Nov 19 | SEC ↗ |
Chen Stephen C.First filing | General Counsel | Sale | 1,514 | $266K | Nov 19 | SEC ↗ |
Meese RobertFirst filing | Chief Business Officer | Sale | 1,444 | $257K | Nov 18 | SEC ↗ |
| Chief Tech Officer, Co-Founder | Sale | 10,000 | $2.6M | Nov 6 | SEC ↗ | |
| Chief Tech Officer, Co-Founder | Sale | 10,000 | $3.1M | Oct 22 | SEC ↗ | |
| Chief Tech Officer, Co-Founder | Sale | 10,000 | $3.2M | Oct 7 | SEC ↗ | |
Glance NatalieFirst filing | Chief Engineering Officer | Sale | 3,283 | $1.0M | Oct 6 | SEC ↗ |
| Chief Tech Officer, Co-Founder | Sale | 10,000 | $2.9M | Sep 22 | SEC ↗ | |
Hacker SeverinFirst filing | Chief Tech Officer, Co-Founder | Sale | 10,000 | $2.7M | Sep 9 | SEC ↗ |
Related companies
Duolingo, Inc. is in the Technology sector.