LYTIR

Insider · SEC Form 4 · President & CEO, Co-Founder

Luis von Ahn

Filed with the SEC as von Ahn Luis; the order above is the one the filer's own signature uses.

In the 12 months to Nov 8, 2026, on the open market: sold $34.1M of DUOL. Filed a median of 2 business days after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $34.1M in total.Sep: Insider sales $17.5MOct: Insider sales $16.7MDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $34.1M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. DUOLSold: Duolingo, Inc. Oct 7, 2026 110,046 shares filed Oct 9, 2026 4 transactions 10b5-1 plan filing $16.7M
  2. DUOLSold: Duolingo, Inc. Sep 24, 2026 46,682 shares filed Sep 28, 2026 3 transactions 10b5-1 plan filing $7.0M
  3. DUOLSold: Duolingo, Inc. Sep 22, 2026 3,614 shares filed Sep 23, 2026 2 transactions 10b5-1 plan filing $549K
  4. DUOLSold: Duolingo, Inc. Sep 21, 2026 37,366 shares filed Sep 23, 2026 2 transactions 10b5-1 plan filing $5.6M
  5. DUOLSold: Duolingo, Inc. Sep 16, 2026 28,292 shares filed Sep 18, 2026 2 transactions 10b5-1 plan filing $4.3M

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.

Other Form 4 entries

Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.

  • DUOL: conversion (code C), 7 entries, Sep 16 to Oct 7, 2026
Code C
A conversion of a derivative security, such as preferred stock or units, into shares.

Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.