| 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 | 18 Aug 2025 | 0001869669 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DUOL | Class A Common Stock | Sale | $920,297 | -2,797 | -5% | $329.03 | 52,904 | 15 Aug 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares. |