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, 4 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 16 and filed Sep 19. The most active filer was Severin Hacker with 26 filings.

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Filings, ttm

1 buy · 22 sells · 4 late

Traders, ttm

8 insiders

Volume, ttmiDollar value disclosed in the window

$23.4M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Sep 16

Filed Sep 18

ADViAverage daily dollar volume

$195.9M

market data

Share price · 12M

$140 (-54.9%)

Adjusted for splits and dividends.

Volume by month

Buys $515K Sells $323.6M

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

Who filed

SH Severin Hacker Chief Tech Officer, Co-Founder 26 filings NG Natalie Glance Chief Engineering Officer 16 filings MS Matthew Skaruppa Chief Financial Officer 16 filings RM Robert Meese Chief Business Officer 13 filings SC Stephen C. Chen General Counsel 11 filings LA Luis von Ahn President & CEO, Co-Founder 7 filings JS James H Shelton Director 3 filings LM

Lisa McClain Representative (Spouse) 2 filings

Recent filings

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 Severin HackerSALE Chief Tech Officer, Co-Founder $3.0M
9,391 sh across 8 lots
Exec Oct 6 2025
Filed Oct 7 2025 · 5:30 PM ET Natalie GlanceSALE Chief Engineering Officer $711K
2,275 sh across 4 lots
Exec Oct 1 2025
Filed Oct 6 2025 · 5:30 PM ET † Severin HackerSALE Chief Tech Officer, Co-Founder $2.9M
10,000 sh across 5 lots
Exec Sep 19 2025
Filed Sep 22 2025 · 5:30 PM ET Lisa McClainSALE Representative (Spouse) $8K
$1K–15K bracket
Exec Aug 13 2025
Filed Sep 12 2025 Lisa McClainPURCHASE Representative (Spouse) $8K
$1K–15K bracket
Exec Aug 4 2025
Filed Sep 12 2025