Chen Stephen C. 4
4 · Duolingo, Inc. · Filed Nov 19, 2025
Insider Transaction Report
Form 4
Duolingo, Inc.DUOL
Chen Stephen C.
General Counsel
Transactions
- Sale
Class A Common Stock
2025-11-18$173.97/sh−120$20,876→ 32,936 total - Sale
Class A Common Stock
2025-11-18$177.19/sh−480$85,049→ 31,542 total - Sale
Class A Common Stock
2025-11-17$177.95/sh−1,282$228,132→ 33,056 total - Sale
Class A Common Stock
2025-11-18$175.15/sh−594$104,040→ 32,342 total - Sale
Class A Common Stock
2025-11-18$175.94/sh−320$56,300→ 32,022 total
Footnotes (6)
- [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 $173.40 to $174.38, 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 $174.51 to $175.50, 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 $175.62 to $176.57, 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 $176.74 to $177.51, 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.