Form 4 for DUOL Duolingo, Inc.
Accepted 2025-09-19 00:00:00 ET · period of report 2025-09-18 · accession 0001628280-25-042241 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-09-19 | 2025-09-18 | DUOL | Chen Stephen C. | GC | M - OptEx | $14.42 | +1,700 | 34.3K | +5% | +$24.5K |
| D | 2025-09-19 | 2025-09-18 | DUOL | Chen Stephen C. | GC | M - OptEx | $0.00 | -1,700 | 2,506 | -40% | $0 |
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 | 2025-09-18 | M | A | 1,700 | $14.42 | 34,338 | D | — | — | |
| 2 | Derivative | Stock Option (Right to Buy) | 2025-09-18 | M | D | 1,700 | $0.00 | 2,506 | D | $14.42 · — to 2030-03-10 | 1,700 Class A Common Stock | (F1) The shares subject to the option are fully vested and exercisable. |