4Filing Date: Dec 30, 2025
Duolingo
Statement of Changes in Beneficial Ownership
View SEC Filing
ACC: 0001628280-25-059129
Total Value$26.0K
Trades2
Insiders1
Transaction Details
Chen Stephen C.
General Counsel·Direct
Exercise · Acquire
Class A Common Stock
Shares+1.80K
Price$14.42
Total Value$26.0K
Shares Owned After33.34K
Transaction DateDec 29, 2025
Chen Stephen C.
General Counsel·Direct
Exercise · Dispose
Stock Option (Right to Buy)Derivative
Shares-1.80K
Price$0.00
Total Value$0
Shares Owned After706
Transaction DateDec 29, 2025
ExpiresMar 10, 2030
Footnotes ▸
The shares subject to the option are fully vested and exercisable.
Post-Transaction Holdings
Chen Stephen C. · General Counsel
| Security | Shares | Change |
|---|---|---|
| Class A Common Stock | 33.34K | +1.80K (5.71%) |
| Stock Option (Right to Buy) | 706 | -1.80K (-71.83%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2025-12-29
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: Duolingo, Inc. (DUOL)
CIK: 0001562088
--- Reporting Owner ---
Name: Chen Stephen C.
CIK: 0001869758
Role: Officer (General Counsel)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Class A Common Stock
Date: 2025-12-29 | Code: M (Exercise of derivative)
Shares: +1,800 | Price: $14.42
Total Value: $25,956.00
Shares Owned After: 33,342 | Ownership: D (Direct)
--- Derivative Transactions ---
[Transaction #1]
Security: Stock Option (Right to Buy)
Date: 2025-12-29 | Code: M (Exercise of derivative)
Shares: -1,800 | Price: $0.00
Exercisable: N/A | Expires: 2030-03-10
Shares Owned After: 706 | Ownership: D (Direct)
Footnotes:
[F1] The shares subject to the option are fully vested and exercisable.
--- Footnotes (Complete Index) ---
F1: The shares subject to the option are fully vested and exercisable.
--- Signature ---
/s/ /s/ Stephen C. Chen (2025-12-30)