DUOL Duolingo

• $499K bought by 1 insider
• None no sales outside a trading plan
• $44.3M sold by 6 insiders under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Luis Von Ahn CEO
   Planned sale
   $16.7M 110,046 shares at $151.70 100% of stake
   Traded Oct 7 Filed Oct 9
   ↗
3. Luis Von Ahn CEO
   Planned sale
   $7M 46,682 shares at $150.63 100% of stake
   Traded Sep 24 Filed Sep 28
   ↗
4. Luis Von Ahn CEO
   Planned sale
   $6.2M 40,980 shares at $150.65 100% of stake
   Traded Sep 21–22 Filed Sep 23
   ↗
5. Luis Von Ahn CEO
   Planned sale
   $4.3M 28,292 shares at $150.22 100% of stake
   Traded Sep 16 Filed Sep 18
   ↗
6. Stephen C. Chen General Counsel
   Planned sale
   $1.2M 8,072 shares at $149.33 16% of stake
   Traded Sep 14 Filed Sep 15
   ↗
7. William B Gordon Director
   Planned sale
   $1.5M 10,000 shares at $145.67 13% of stake
   Traded Sep 8 Filed Sep 10
   ↗
8. Natalie Glance Chief Engineering Officer
   Planned sale
   $212K 1,539 shares at $137.80 0.9% of stake
   Traded Aug 18 Filed Aug 19
   ↗
9. Stephen C. Chen General Counsel
   Planned sale
   $225K 1,977 shares at $113.61 3.6% of stake
   Traded May 18 Filed May 19
   ↗
10. Natalie Glance Chief Engineering Officer
    Planned sale
    $382K 3,360 shares at $113.59 1.9% of stake
    Traded May 18 Filed May 19
    ↗
11. James H Shelton Director
    Buy
    $499K 5,000 shares at $99.76 +108% to stake
    Traded Mar 3 Filed Mar 4
    ↗
12. Matthew Skaruppa CFO
    Planned sale
    $452K 3,986 shares at $113.52 11% of stake
    Traded Feb 18 Filed Feb 20
    ↗
13. Stephen C. Chen General Counsel
    Planned sale
    $215K 1,901 shares at $113.26 5.9% of stake
    Traded Feb 18 Filed Feb 20
    ↗
14. Natalie Glance Chief Engineering Officer
    Planned sale
    $402K 3,545 shares at $113.51 3% of stake
    Traded Feb 18 Filed Feb 20
    ↗
15. Severin Hacker Founder
    Planned sale
    $1.7M 10,000 shares at $172.74 99% of stake
    Traded Nov 19, 2025 Filed Nov 20, 2025
    ↗
16. Stephen C. Chen General Counsel
    Planned sale
    $266K 1,514 shares at $175.87 4.6% of stake
    Traded Nov 18, 2025 Filed Nov 19, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 21 stock grants, 14 sales to cover taxes, 11 conversions, 9 option exercises, and 2 gifts.