Duolingo, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Duolingo, Inc. (DUOL), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are DUOL insiders buying or selling?
In the last 12 months, Duolingo, Inc. insiders reported 1 open-market purchase ($498.8K) and 23 sales ($50.6M) — net selling of $50.1M. Since August 2021, Trabud has recorded 304 Form 4 filings for DUOL: 23 buys ($174.4M) and 281 sells ($874.9M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $498.8K by James H Shelton (Director) on Mar 4, 2026. SEC ↗
- The most recent open-market purchase was reported on Mar 4, 2026 (7 months ago).
Key Statistics (August 2021 – Oct 9, 2026)
Total Form 4 filings
304
SEC EDGAR
Insider filers
15
Insider buys (23)
$174.4M
Insider sells (281)
$874.9M
Insider sentiment
Net sellingNet insider flow of $700.4M in net selling since August 2021, and $50.1M in net selling over the last 12 months.
Recent DUOL insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | Luis Von Ahn | President & CEO, Co-Founder | Sale | 110.0K | $151.70 | $16.7M | SEC ↗ |
| Sep 28, 2026 | Luis Von Ahn | President & CEO, Co-Founder | Sale | 46.7K | $150.63 | $7.0M | SEC ↗ |
| Sep 23, 2026 | Luis Von Ahn | President & CEO, Co-Founder | Sale | 41.0K | $150.65 | $6.2M | SEC ↗ |
| Sep 19, 2026 | Luis Von Ahn | President & CEO, Co-Founder | Sale | 28.3K | $150.22 | $4.3M | SEC ↗ |
| Sep 15, 2026 | Stephen C. Chen | General Counsel | Sale | 8.1K | $149.33 | $1.2M | SEC ↗ |
| Sep 10, 2026 | William B Gordon | Director | Sale | 10.0K | $145.67 | $1.5M | SEC ↗ |
| Aug 19, 2026 | Natalie Glance | Chief Engineering Officer | Sale | 4.3K | $132.24 | $567.3K | SEC ↗ |
| Aug 19, 2026 | Robert Meese | Chief Business Officer | Sale | 1.4K | $129.13 | $174.8K | SEC ↗ |
| Aug 19, 2026 | Stephen C. Chen | General Counsel | Sale | 1.0K | $129.13 | $132.2K | SEC ↗ |
| May 19, 2026 | Stephen C. Chen | General Counsel | Sale | 2.8K | $113.18 | $316.6K | SEC ↗ |
| May 19, 2026 | Natalie Glance | Chief Engineering Officer | Sale | 5.3K | $113.07 | $598.0K | SEC ↗ |
| May 19, 2026 | Robert Meese | Chief Business Officer | Sale | 1.4K | $112.16 | $159.3K | SEC ↗ |
| Mar 4, 2026 | James H Shelton | Director | Purchase | 5.0K | $99.76 | $498.8K | SEC ↗ |
| Feb 20, 2026 | Robert Meese | Chief Business Officer | Sale | 1.0K | $110.06 | $110.1K | SEC ↗ |
| Feb 20, 2026 | Matthew Skaruppa | Chief Financial Officer | Sale | 5.9K | $112.42 | $658.3K | SEC ↗ |
| Feb 20, 2026 | Stephen C. Chen | General Counsel | Sale | 2.8K | $112.24 | $313.9K | SEC ↗ |
| Feb 20, 2026 | Natalie Glance | Chief Engineering Officer | Sale | 5.3K | $112.38 | $594.0K | SEC ↗ |
| Nov 20, 2025 | Severin Hacker | Chief Tech Officer, Co-Founder | Sale | 10.0K | $172.74 | $1.7M | SEC ↗ |
| Nov 19, 2025 | Stephen C. Chen | General Counsel | Sale | 2.8K | $176.82 | $494.4K | SEC ↗ |
| Nov 19, 2025 | Matthew Skaruppa | Chief Financial Officer | Sale | 5.9K | $176.81 | $1.0M | SEC ↗ |
| Nov 19, 2025 | Natalie Glance | Chief Engineering Officer | Sale | 5.0K | $176.88 | $885.3K | SEC ↗ |
| Nov 18, 2025 | Robert Meese | Chief Business Officer | Sale | 1.4K | $177.95 | $257.0K | SEC ↗ |
| Nov 6, 2025 | Severin Hacker | Chief Tech Officer, Co-Founder | Sale | 10.0K | $263.13 | $2.6M | SEC ↗ |
| Oct 23, 2025 | Severin Hacker | Chief Tech Officer, Co-Founder | Sale | 10.0K | $314.72 | $3.1M | SEC ↗ |
| Oct 7, 2025 | Severin Hacker | Chief Tech Officer, Co-Founder | Sale | 10.0K | $321.63 | $3.2M | SEC ↗ |
Showing the 25 most recent of 304 Form 4 filings for Duolingo, Inc..
Most active DUOL insiders
- Matthew Skaruppa63 filings
- Severin Hacker55 filings
- Natalie Glance43 filings
- Robert Meese36 filings
- Stephen C. Chen33 filings
Ask anything about DUOL insider activity
Use Trabud's AI agent to query Duolingo, Inc.'s Form 4 history in plain English — "Show me DUOL CEO purchases this year" or compare it against any other ticker.
Open the AI agentDUOL insider trading FAQ
Are Duolingo, Inc. insiders buying or selling?
In the last 12 months, Duolingo, Inc. insiders reported 1 open-market purchase ($498.8K) and 23 sales ($50.6M) — net selling of $50.1M. Since August 2021, Trabud has recorded 304 Form 4 filings for DUOL: 23 buys ($174.4M) and 281 sells ($874.9M). Over the full record that is net selling of $700.4M.
How many insiders trade DUOL stock?
15 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Duolingo, Inc.. The most recent filing was accepted on Oct 9, 2026.
Where does Trabud get DUOL insider trading data?
All DUOL insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.