| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Glance Natalie | Chief Engineering Officer | C/O DUOLINGO, INC., 5900 PENN AVENUE, PITTSBURGH | /s/ Stephen Chen, as Attorney-in-Fact for Natalie Glance | 02 Jul 2025 | 0001870350 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DUOL | Class A Common Stock | Sale | $-118,780 | -300 | -0.23% | $395.93 | 129,354 | 01 Jul 2025 | Direct | F1, F2 |
| transaction | DUOL | Class A Common Stock | Sale | $-79,425 | -200 | -0.15% | $397.12 | 129,154 | 01 Jul 2025 | Direct | F1, F3 |
| transaction | DUOL | Class A Common Stock | Sale | $-79,930 | -200 | -0.15% | $399.65 | 128,954 | 01 Jul 2025 | Direct | F1, F4 |
| transaction | DUOL | Class A Common Stock | Sale | $-274,632 | -685 | -0.53% | $400.92 | 128,269 | 01 Jul 2025 | Direct | F1, F5 |
| transaction | DUOL | Class A Common Stock | Sale | $-90,134 | -224 | -0.17% | $402.38 | 128,045 | 01 Jul 2025 | Direct | F1, F6 |
| transaction | DUOL | Class A Common Stock | Sale | $-120,958 | -300 | -0.23% | $403.19 | 127,745 | 01 Jul 2025 | Direct | F1, F7 |
| transaction | DUOL | Class A Common Stock | Sale | $-80,852 | -200 | -0.16% | $404.26 | 127,545 | 01 Jul 2025 | Direct | F1, F8 |
| transaction | DUOL | Class A Common Stock | Sale | $-40,539 | -100 | -0.08% | $405.39 | 127,445 | 01 Jul 2025 | Direct | F1 |
| transaction | DUOL | Class A Common Stock | Sale | $-40,814 | -100 | -0.08% | $408.14 | 127,345 | 01 Jul 2025 | Direct | F1 |
| transaction | DUOL | Class A Common Stock | Sale | $-123,204 | -300 | -0.24% | $410.68 | 127,045 | 01 Jul 2025 | Direct | F1, F9 |
| transaction | DUOL | Class A Common Stock | Sale | $-41,314 | -100 | -0.08% | $413.14 | 126,945 | 01 Jul 2025 | Direct | F1 |
| holding | DUOL | Class A Common Stock | 130 | 01 Jul 2025 | By son |
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 | The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on November 14, 2024. |
| F2 | 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 $395.49 to $396.01, 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. |
| 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 $396.77 to $397.48, 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 $399.22 to $400.08, 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 $400.42 to $401.29, 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 $402.13 to $402.62, 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. |
| F7 | 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 $403.14 to $403.30, 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. |
| F8 | 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 $404.23 to $404.29, 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. |
| F9 | 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 $410.58 to $410.73, 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. |