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Duolingo, Inc. (DUOL)

Duolingo, Inc. (DUOL) Insider Trading

Directors, officers and holders of more than 10% of DUOL report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 956 transactions on file: 0 with code P, 18 with code S and 32 with other codes.

DateInsiderCodeShares
Oct 10, 2026Schlosser MarioA Award116
Oct 10, 2026Bohutinsky AmyA Award108
Oct 10, 2026Shelton James HA Award100
Oct 10, 2026Lilly III John OsborneA Award98
Oct 7, 2026von Ahn LuisM Exercise110,046
Oct 7, 2026von Ahn LuisS Sale55,036
Oct 7, 2026von Ahn LuisS Sale5,114
Oct 7, 2026von Ahn LuisC Conversion110,046
Oct 7, 2026von Ahn LuisC Conversion110,046
Oct 7, 2026von Ahn LuisS Sale29,871
Oct 7, 2026von Ahn LuisC Conversion110,046
Oct 7, 2026von Ahn LuisS Sale20,025
Sep 24, 2026von Ahn LuisC Conversion46,682
Sep 24, 2026von Ahn LuisS Sale38,758
Sep 24, 2026von Ahn LuisC Conversion46,682
Sep 24, 2026von Ahn LuisS Sale900
Sep 24, 2026von Ahn LuisC Conversion46,682
Sep 24, 2026von Ahn LuisS Sale7,024
Sep 24, 2026von Ahn LuisM Exercise46,682
Sep 22, 2026von Ahn LuisC Conversion3,614
Sep 22, 2026von Ahn LuisC Conversion3,614
Sep 22, 2026von Ahn LuisS Sale200
Sep 22, 2026von Ahn LuisM Exercise3,614
Sep 22, 2026von Ahn LuisS Sale3,414
Sep 22, 2026von Ahn LuisC Conversion3,614
Sep 21, 2026von Ahn LuisS Sale4,109
Sep 21, 2026von Ahn LuisC Conversion9,406
Sep 21, 2026von Ahn LuisC Conversion9,406
Sep 21, 2026von Ahn LuisC Conversion27,960
Sep 21, 2026von Ahn LuisC Conversion27,960
Sep 21, 2026von Ahn LuisC Conversion9,406
Sep 21, 2026von Ahn LuisC Conversion27,960
Sep 21, 2026von Ahn LuisM Exercise27,960
Sep 21, 2026von Ahn LuisS Sale33,257
Sep 21, 2026von Ahn LuisM Exercise9,406
Sep 16, 2026von Ahn LuisC Conversion23,040
Sep 16, 2026von Ahn LuisC Conversion23,040
Sep 16, 2026von Ahn LuisM Exercise23,040
Sep 16, 2026von Ahn LuisC Conversion23,040
Sep 16, 2026von Ahn LuisC Conversion5,252
Sep 16, 2026von Ahn LuisC Conversion5,252
Sep 16, 2026von Ahn LuisS Sale27,272
Sep 16, 2026von Ahn LuisM Exercise5,252
Sep 16, 2026von Ahn LuisC Conversion5,252
Sep 16, 2026von Ahn LuisS Sale1,020
Sep 14, 2026Chen Stephen C.S Sale5,965
Sep 14, 2026Chen Stephen C.S Sale2,107
Sep 8, 2026GORDON WILLIAM BS Sale800
Sep 8, 2026GORDON WILLIAM BS Sale2,742
Sep 8, 2026GORDON WILLIAM BS Sale3,483

The full Form 4 history is on the DUOL company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.