Von Ahn Luis
President & CEO, Co-founder
Exercise
Calculated transaction value
$0
3,614 shares @ $0
Traded
Sep 22, 2026
Filed
Sep 23, 2026
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Duolingo
DUOL
ServicesBusiness Services
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
82 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 1-day lag | Exercise Sep 22, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 1-day lag | Conversion Sep 22, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 1-day lag | Sale Sep 22, 2026 | $30K Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 1-day lag | Sale Sep 22, 2026 | $519K Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Exercise Sep 21, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Sale Sep 21, 2026 | $620.75K Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Conversion Sep 21, 2026 | $358.18K Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Conversion Sep 21, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Conversion Sep 21, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Conversion Sep 21, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Sale Sep 21, 2026 | $5M Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Conversion Sep 21, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Exercise Sep 21, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 23, 2026 2-day lag | Conversion Sep 21, 2026 | $403.18K Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Sale Sep 16, 2026 | $154.57K Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Conversion Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Exercise Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Sale Sep 16, 2026 | $4.1M Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Conversion Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Exercise Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Conversion Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Conversion Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Conversion Sep 16, 2026 | $200K Filed shares x price | SEC Form 4 View filing | |
| Von Ahn Luis President & CEO, Co-founder | Sep 18, 2026 2-day lag | Conversion Sep 16, 2026 | $332.24K Filed shares x price | SEC Form 4 View filing | |
| Chen Stephen C. General Counsel | Sep 15, 2026 1-day lag | Sale Sep 14, 2026 | $310.64K Filed shares x price | SEC Form 4 View filing | |
| Chen Stephen C. General Counsel | Sep 15, 2026 1-day lag | Sale Sep 14, 2026 | $894.75K Filed shares x price | SEC Form 4 View filing | |
| Gordon William B Director | Sep 10, 2026 2-day lag | Sale Sep 8, 2026 | $508.2K Filed shares x price | SEC Form 4 View filing | |
| Gordon William B Director | Sep 10, 2026 2-day lag | Sale Sep 8, 2026 | $29.73K Filed shares x price | SEC Form 4 View filing | |
| Gordon William B Director | Sep 10, 2026 2-day lag | Sale Sep 8, 2026 | $115.07K Filed shares x price | SEC Form 4 View filing | |
| Gordon William B Director | Sep 10, 2026 2-day lag | Sale Sep 8, 2026 | $392.11K Filed shares x price | SEC Form 4 View filing |
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
3,614 shares @ $0
Traded
Sep 22, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Sale
Calculated transaction value
$30K
200 shares @ $150
Traded
Sep 22, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Sale
Calculated transaction value
$519K
3,414 shares @ $152.02
Traded
Sep 22, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Exercise
Calculated transaction value
$0
9,406 shares @ $0
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Sale
Calculated transaction value
$620.75K
4,109 shares @ $151.07
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$358.18K
9,406 shares @ $38.08
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
9,406 shares @ $0
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
9,406 shares @ $0
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
27,960 shares @ $0
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Sale
Calculated transaction value
$5M
33,257 shares @ $150.46
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
27,960 shares @ $0
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Exercise
Calculated transaction value
$0
27,960 shares @ $0
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$403.18K
27,960 shares @ $14.42
Traded
Sep 21, 2026
Filed
Sep 23, 2026
Von Ahn Luis
President & CEO, Co-founder
Sale
Calculated transaction value
$154.57K
1,020 shares @ $151.54
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
23,040 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Exercise
Calculated transaction value
$0
23,040 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Sale
Calculated transaction value
$4.1M
27,272 shares @ $150.17
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
23,040 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Exercise
Calculated transaction value
$0
5,252 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
5,252 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$0
5,252 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$200K
5,252 shares @ $38.08
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Von Ahn Luis
President & CEO, Co-founder
Conversion
Calculated transaction value
$332.24K
23,040 shares @ $14.42
Traded
Sep 16, 2026
Filed
Sep 18, 2026
Chen Stephen C.
General Counsel
Sale
Calculated transaction value
$310.64K
2,107 shares @ $147.43
Traded
Sep 14, 2026
Filed
Sep 15, 2026
Chen Stephen C.
General Counsel
Sale
Calculated transaction value
$894.75K
5,965 shares @ $150
Traded
Sep 14, 2026
Filed
Sep 15, 2026
Gordon William B
Director
Sale
Calculated transaction value
$508.2K
3,483 shares @ $145.91
Traded
Sep 8, 2026
Filed
Sep 10, 2026
Gordon William B
Director
Sale
Calculated transaction value
$29.73K
200 shares @ $148.68
Traded
Sep 8, 2026
Filed
Sep 10, 2026
Gordon William B
Director
Sale
Calculated transaction value
$115.07K
800 shares @ $143.83
Traded
Sep 8, 2026
Filed
Sep 10, 2026
Gordon William B
Director
Sale
Calculated transaction value
$392.11K
2,675 shares @ $146.58
Traded
Sep 8, 2026
Filed
Sep 10, 2026