Duolingo, Inc.
Luis von Ahn (President & CEO, Co-Founder) sells DUOL shares
About this filing
Duolingo, Inc. (DUOL) filed Form 4 (insider transaction) with the SEC on Oct 9, 2026. Form 4 reports a company insider’s trades in the company’s shares.
Key facts
- Insider
- Luis von Ahn · President & CEO, Co-Founder, Director
Rule 10b5-1 plan · adopted Jun 2, 2026
| Date | Transaction | Shares | Price | Value | Held after | Ownership |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | C · conversion | +110,046 | $38.08 | $4,190,551.68 | 110,046 | Direct |
| Oct 7, 2026 | S · open-market saleFootnotes F1, F2 | −20,025 | $150.63 | $3,016,403.80 | 90,021 | Direct |
| Oct 7, 2026 | S · open-market saleFootnotes F1, F3 | −55,036 | $151.52 | $8,339,285.87 | 34,985 | Direct |
| Oct 7, 2026 | S · open-market saleFootnotes F1, F4 | −29,871 | $152.47 | $4,554,532.93 | 5,114 | Direct |
| Oct 7, 2026 | S · open-market saleFootnotes F1, F5 | −5,114 | $153.26 | $783,777.27 | 0 | Direct |
| Oct 7, 2026 | M · exercise or conversion of a derivativeStock Option (Right to Buy)Footnotes F6 | −110,046 | $0.00 | $0.00 | 0 | Direct |
| Oct 7, 2026 | C · conversionClass B Common StockFootnotes F7 | +110,046 | $0.00 | $0.00 | 3,478,166 | Direct |
| Oct 7, 2026 | C · conversionClass B Common StockFootnotes F7 | −110,046 | $0.00 | $0.00 | 3,368,120 | Direct |
Footnotes
- F1 The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 2, 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 $150.00 to $150.99, 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 $151.00 to $151.99, 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 $152.00 to $152.99, 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 $153.00 to $153.61, 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 options are fully vested and exercisable.
- F7 Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation, (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding, and (iii) the death of the Reporting Person.
More DUOL filings
- SC 13G/A
Filed Oct 30, 2026
- SC 13G/A
Filed Oct 20, 2026
- 4
Filed Oct 13, 2026
- 4
Filed Oct 13, 2026
- 4
Filed Oct 13, 2026
- 4
Filed Oct 13, 2026
Not investment advice. Summaries can contain errors; the SEC filing is the official record.