InsiderTrades

Form 4 for DUOL Duolingo, Inc.

Accepted 2025-12-30 00:00:00 ET · period of report 2025-12-29 · accession 0001628280-25-059129 · 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 2025-12-30 2025-12-29 DUOL Chen Stephen C. GC M - OptEx $14.42 +1,800 33.3K +6% +$26.0K
D 2025-12-30 2025-12-29 DUOL Chen Stephen C. GC M - OptEx $0.00 -1,800 706 -72% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-12-29 M A 1,800 $14.42 33,342 D — —
2 Derivative Stock Option (Right to Buy) 2025-12-29 M D 1,800 $0.00 706 D $14.42 · — to 2030-03-10 1,800 Class A Common Stock (F1) The shares subject to the option are fully vested and exercisable.