InsiderTrades

Form 4 for DUOL Duolingo, Inc.

Accepted 2026-09-15 18:51:16 ET · period of report 2026-09-14 · accession 0001628280-26-062115 · 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
MT 2026-09-15 18:51 2026-09-14 DUOL Chen Stephen C. GC S - Sale $149.33 -8,072 43.8K -16% -$1.21M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-09-14 S D 2,107 $147.43 49,734 D — — (F1) The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 14, 2026.
2 Common Class A Common Stock 2026-09-14 S D 5,965 $150.00 43,769 D — — (F1) The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 14, 2026.