Duolingo, Inc.

DUOL · Technology · Duolingo, Inc. operates as a mobile learning platform in the United States, the United Kingdom, and internationally

Duolingo, Inc. (DUOL), in the Technology sector, has 23 disclosed filings on Paydirt over the trailing twelve months from 8 corporate insiders: 1 purchase and 22 sales, 3 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Nov 4 and filed Nov 5. The most active filer was Stephen C. Chen with 5 filings. Data as of Nov 7 2026.

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Filings, ttm

1 buy · 22 sells · 3 late

Traders, ttm

8 insiders

Volume, ttmiDollar value disclosed in the window

$42.0M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Nov 4

Filed Nov 5

ADViAverage daily dollar volume

$195.9M

market data

Share price · 12M

$140 (-27.6%)

Adjusted for splits and dividends.

Volume by month

Buys $515K Sells $342.4M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed · past 24 months

SH Severin Hacker Chief Tech Officer, Co-Founder 26 filings · 0 buys, 26 sales NG Natalie Glance Chief Engineering Officer 15 filings · 0 buys, 15 sales MS Matthew Skaruppa Chief Financial Officer 14 filings · 0 buys, 14 sales SC Stephen C. Chen General Counsel 12 filings · 0 buys, 12 sales RM Robert Meese Chief Business Officer 11 filings · 0 buys, 11 sales LA Luis von Ahn President & CEO, Co-Founder 10 filings · 0 buys, 10 sales JS James H Shelton Director 3 filings · 1 buy, 2 sales WG

William B Gordon Director 2 filings · 0 buys, 2 sales

All 10 filers

Lisa McClain Representative (Spouse) 2 filings · 2 buys, 2 sales GM Gillian Munson Director 1 filing · 0 buys, 1 sale

Recent filings

Stephen C. ChenSALE General Counsel $648K
3,700 sh × $175.00
Exec Nov 4
Filed Nov 5 · 4:20 PM ET William B GordonSALE Director $1.1M
8,400 sh across 4 lots
Exec Nov 2
Filed Nov 4 · 7:38 PM ET Luis von AhnSALE President & CEO, Co-Founder $16.7M
110,046 sh across 4 lots
Exec Oct 7
Filed Oct 9 · 4:09 PM ET Luis von AhnSALE President & CEO, Co-Founder $7.0M
46,682 sh across 3 lots
Exec Sep 24
Filed Sep 28 · 3:59 PM ET Luis von AhnSALE President & CEO, Co-Founder $6.1M
40,780 sh across 3 lots
Exec Sep 21
Filed Sep 23 · 5:14 PM ET Luis von AhnSALE President & CEO, Co-Founder $4.3M
28,292 sh across 2 lots
Exec Sep 16
Filed Sep 18 · 8:25 PM ET Stephen C. ChenSALE General Counsel $1.2M
8,072 sh across 2 lots
Exec Sep 14
Filed Sep 15 · 6:51 PM ET William B GordonSALE Director $1.4M
9,700 sh across 4 lots
Exec Sep 8
Filed Sep 10 · 4:23 PM ET Natalie GlanceSALE Chief Engineering Officer $499K
3,788 sh across 2 lots
Exec Aug 17
Filed Aug 19 · 5:16 PM ET Robert MeeseSALE Chief Business Officer $175K
1,354 sh × $129.13
Exec Aug 17
Filed Aug 19 · 5:16 PM ET Stephen C. ChenSALE General Counsel $132K
1,024 sh × $129.13
Exec Aug 17
Filed Aug 19 · 5:16 PM ET Robert MeeseSALE Chief Business Officer $159K
1,420 sh × $112.16
Exec May 15
Filed May 19 · 5:30 PM ET Natalie GlanceSALE Chief Engineering Officer $598K
5,289 sh across 3 lots
Exec May 15
Filed May 19 · 5:30 PM ET Stephen C. ChenSALE General Counsel $145K
1,277 sh × $113.27
Exec May 18
Filed May 19 · 5:30 PM ET James H SheltonPURCHASE Director $499K
5,000 sh × $99.76
Exec Mar 3
Filed Mar 4 · 4:49 PM ET Natalie GlanceSALE Chief Engineering Officer $534K
4,760 sh across 3 lots
Exec Feb 17
Filed Feb 20 · 5:30 PM ET † Matthew SkaruppaSALE Chief Financial Officer $590K
5,260 sh across 3 lots
Exec Feb 17
Filed Feb 20 · 5:30 PM ET † Robert MeeseSALE Chief Business Officer $110K
1,000 sh × $110.06
Exec Feb 17
Filed Feb 20 · 5:30 PM ET † Severin HackerSALE Chief Tech Officer, Co-Founder $1.6M
9,285 sh across 6 lots
Exec Nov 19 2025
Filed Nov 20 2025 · 5:30 PM ET Natalie GlanceSALE Chief Engineering Officer $730K
4,125 sh across 3 lots
Exec Nov 17 2025
Filed Nov 19 2025 · 5:30 PM ET Matthew SkaruppaSALE Chief Financial Officer $932K
5,268 sh across 4 lots
Exec Nov 17 2025
Filed Nov 19 2025 · 5:30 PM ET Stephen C. ChenSALE General Counsel $332K
1,876 sh across 2 lots
Exec Nov 17 2025
Filed Nov 19 2025 · 5:30 PM ET Robert MeeseSALE Chief Business Officer $257K
1,444 sh × $177.95
Exec Nov 17 2025
Filed Nov 18 2025 · 5:30 PM ET Severin HackerSALE Chief Tech Officer, Co-Founder $2.6M
9,835 sh across 9 lots
Exec Nov 4 2025
Filed Nov 6 2025 · 5:30 PM ET Severin HackerSALE Chief Tech Officer, Co-Founder $2.9M
9,200 sh across 11 lots
Exec Oct 20 2025
Filed Oct 22 2025 · 5:30 PM ET