Form 4 for DUOL Duolingo, Inc.
Accepted 2026-09-10 16:23:03 ET · period of report 2026-09-08 · accession 0001628280-26-061361 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-10 16:23 | 2026-09-08 | DUOL | GORDON WILLIAM B | Dir | S - Sale | $145.67 | -10.0K | 68.4K | -13% | -$1.46M |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-09-08 | S | D | 800 | $143.83 | 77,615 | D | — | — | (F1) The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2026. (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 $143.24 to $144.22, 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. |
| 2 | Common | Class A Common Stock | 2026-09-08 | S | D | 2,742 | $144.59 | 74,873 | D | — | — | (F1) The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2026. (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 $144.25 to $145.21, 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. |
| 3 | Common | Class A Common Stock | 2026-09-08 | S | D | 3,483 | $145.91 | 71,390 | D | — | — | (F1) The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2026. (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 $145.25 to $146.24, 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. |
| 4 | Common | Class A Common Stock | 2026-09-08 | S | D | 2,675 | $146.58 | 68,715 | D | — | — | (F1) The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2026. (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 $146.25 to $147.16, 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. |
| 5 | Common | Class A Common Stock | 2026-09-08 | S | D | 200 | $148.68 | 68,515 | D | — | — | (F1) The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2026. (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 $148.19 to $149.16, 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. |
| 6 | Common | Class A Common Stock | 2026-09-08 | S | D | 100 | $151.64 | 68,415 | D | — | — | (F1) The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 9, 2026. |