InsiderTrades

Form 4 for DUOL Duolingo, Inc.

Accepted 2025-12-09 00:00:00 ET · period of report 2025-12-05 · accession 0001628280-25-056081 · 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 2025-12-09 2025-12-05 DUOL Glance Natalie Chief Engineering Off M - OptEx $5.00 +9,500 120.7K +9% +$47.5K
D 2025-12-09 2025-12-05 DUOL Glance Natalie Chief Engineering Off M - OptEx $0.00 -9,500 11.8K -45% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-12-05 M A 9,500 $5.00 120,666 D — —
2 Derivative Stock Option (Right to Buy) 2025-12-05 M D 9,500 $0.00 11,834 D $5.00 · — to 2027-04-07 9,500 Class A Common Stock (F1) The shares subject to the option are fully vested and exercisable.