| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Skaruppa Matthew | Chief Financial Officer | C/O DUOLINGO, INC., 5900 PENN AVENUE, PITTSBURGH | /s/ Stephen Chen, as Attorney-in-Fact for Matthew Skaruppa | 14 Aug 2025 | 0001869669 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DUOL | Class A Common Stock | Gift | $0 | -2,522 | -4.3% | $0.000000 | 55,701 | 14 Aug 2025 | Direct |