| 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 | 19 Feb 2026 | 0001869669 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DUOL | Class A Common Stock | Sale | $205,812 | -1,870 | -5% | $110.06 | 35,617 | 17 Feb 2026 | Direct | F1 |
| transaction | DUOL | Class A Common Stock | Sale | $182,529 | -1,626 | -4.6% | $112.26 | 33,991 | 18 Feb 2026 | Direct | F2, F3 |
| transaction | DUOL | Class A Common Stock | Sale | $26,755 | -236 | -0.69% | $113.37 | 33,755 | 18 Feb 2026 | Direct | F2, F4 |
| transaction | DUOL | Class A Common Stock | Sale | $201,705 | -1,764 | -5.2% | $114.35 | 31,991 | 18 Feb 2026 | Direct | F2, F5 |
| transaction | DUOL | Class A Common Stock | Sale | $41,503 | -360 | -1.1% | $115.29 | 31,631 | 18 Feb 2026 | Direct | F2, F6 |
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
| 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 | The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025. |
| F3 | The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $111.83 to $112.80, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. |
| F4 | The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $112.83 to $113.77, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. |
| F5 | The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $113.83 to $114.75, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. |
| F6 | The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $114.90 to $115.55, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. |