| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Meese Robert | Chief Business Officer | C/O DUOLINGO, INC., 5900 PENN AVENUE, PITTSBURGH | /s/ Stephen Chen, as Attorney-in-Fact for Robert Meese | 19 Feb 2026 | 0001869668 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DUOL | Class A Common Stock | Sale | $110,060 | -1,000 | -0.81% | $110.06 | 122,636 | 17 Feb 2026 | Direct | F1 |
| holding | DUOL | Class A Common Stock | 1,800 | 17 Feb 2026 | See footnote | F2 | |||||
| holding | DUOL | Class A Common Stock | 1,800 | 17 Feb 2026 | See footnote | F3 |
| 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. |
| F2 | Shares held by Eliot Meese Qualified Minor's Trust. |
| F3 | Shares held by Isaac Meese Qualified Minor's Trust. |