INSIDER
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

Robinhood Chain…
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
Public company

Duolingo, Inc.

DUOLCIK 0001562088

EDGAR filingsOpen in network
Price$160.42
1 year-38.3%
Disclosed transactions60
Buys / sells0 / 26
Max Insider Score26
Connections with evidence10

DUOL · disclosed activity on price

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
20
CC
Chen Stephen C.General Counsel
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$648K
3,700 sh
Nov 4, 2026Nov 5, 2026

Verified connections

  • In industryevidence
    Telecommunications & technologySEC SIC 7372 · Services-Prepackaged Software · Nov 4, 2026
  • ← Insider ofevidence
    Gordon William BDirector · Nov 4, 2026
  • ← Holds over 5% ofevidence
    Vanguard Capital Management4.78% of class · Schedule 13G · Oct 29, 2026
  • ← Insider ofevidence
    Bohutinsky AmyDirector · Oct 13, 2026
  • ← Insider ofevidence
traded Nov 4, 2026
+1d
SEC FORM 4

Evidence

13
GB
Gordon William BDirector
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$97K
700 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

13
GB
Gordon William BDirector
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$182K
1,326 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

10
GB
Gordon William BDirector
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$40K
300 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

10
GB
Gordon William BDirector
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$40K
300 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

13
GB
Gordon William BDirector
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$190K
1,374 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

10
GB
Gordon William BDirector
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$40K
300 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

20
GB
Gordon William BDirector
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$534K
3,941 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

13
GB
Gordon William BDirector
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$240K
1,759 sh
Nov 2, 2026Nov 4, 2026
traded Nov 2, 2026
+2dSEC FORM 4

Evidence

9
BA
Bohutinsky AmyDirector
DUOLDuolingo, Inc.
Grant or award
A$16K
108 sh
Oct 10, 2026Oct 13, 2026
traded Oct 10, 2026
+3dSEC FORM 4

Evidence

9
LO
Lilly III John OsborneDirector
DUOLDuolingo, Inc.
Grant or award
A$15K
98 sh
Oct 10, 2026Oct 13, 2026
traded Oct 10, 2026
+3dSEC FORM 4

Evidence

9
SH
Shelton James HDirector
DUOLDuolingo, Inc.
Grant or award
A$15K
100 sh
Oct 10, 2026Oct 13, 2026
traded Oct 10, 2026
+3dSEC FORM 4

Evidence

9
SM
Schlosser MarioDirector
DUOLDuolingo, Inc.
Grant or award
A$17K
116 sh
Oct 10, 2026Oct 13, 2026
traded Oct 10, 2026
+3dSEC FORM 4

Evidence

16
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$784K
5,114 sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

19
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$8.34M
55.0K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Option exercise · 10b5-1 plan
M—
110.0K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
110.0K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

11
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$3.02M
20.0K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

1
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C$4.19M
110.0K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
110.0K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

19
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$4.55M
29.9K sh
Oct 7, 2026Oct 9, 2026
traded Oct 7, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
46.7K sh
Sep 24, 2026Sep 28, 2026
traded Sep 24, 2026
+4dSEC FORM 4

Evidence

1
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C$1.78M
46.7K sh
Sep 24, 2026Sep 28, 2026
traded Sep 24, 2026
+4dSEC FORM 4

Evidence

19
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$1.06M
7,024 sh
Sep 24, 2026Sep 28, 2026
traded Sep 24, 2026
+4dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
46.7K sh
Sep 24, 2026Sep 28, 2026
traded Sep 24, 2026
+4dSEC FORM 4

Evidence

19
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$5.83M
38.8K sh
Sep 24, 2026Sep 28, 2026
traded Sep 24, 2026
+4dSEC FORM 4

Evidence

13
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$137K
900 sh
Sep 24, 2026Sep 28, 2026
traded Sep 24, 2026
+4dSEC FORM 4

Evidence

4
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Option exercise · 10b5-1 plan
M—
46.7K sh
Sep 24, 2026Sep 28, 2026
traded Sep 24, 2026
+4dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
9,406 sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

9
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C$358K
9,406 sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

1
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C$403K
28.0K sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
9,406 sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C$138K
3,614 sh
Sep 22, 2026Sep 23, 2026
traded Sep 22, 2026
+1dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Option exercise · 10b5-1 plan
M—
3,614 sh
Sep 22, 2026Sep 23, 2026
traded Sep 22, 2026
+1dSEC FORM 4

Evidence

5
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$30K
200 sh
Sep 22, 2026Sep 23, 2026
traded Sep 22, 2026
+1dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Option exercise · 10b5-1 plan
M—
9,406 sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
28.0K sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
28.0K sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Option exercise · 10b5-1 plan
M—
28.0K sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

19
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$519K
3,414 sh
Sep 22, 2026Sep 23, 2026
traded Sep 22, 2026
+1dSEC FORM 4

Evidence

19
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$621K
4,109 sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
3,614 sh
Sep 22, 2026Sep 23, 2026
traded Sep 22, 2026
+1dSEC FORM 4

Evidence

22
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$5.00M
33.3K sh
Sep 21, 2026Sep 23, 2026
traded Sep 21, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
3,614 sh
Sep 22, 2026Sep 23, 2026
traded Sep 22, 2026
+1dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
5,252 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
23.0K sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

5
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C$332K
23.0K sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

20
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$155K
1,020 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
23.0K sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Option exercise · 10b5-1 plan
M—
5,252 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

10
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C$200K
5,252 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

26
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$4.10M
27.3K sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Derivative conversion · 10b5-1 plan
C—
5,252 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

11
VL
von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Option exercise · 10b5-1 plan
M—
23.0K sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

13
CC
Chen Stephen C.General Counsel
DUOLDuolingo, Inc.
Option exercise
M$26K
1,800 sh
Dec 29, 2025Dec 30, 2025
traded Dec 29, 2025
+1dSEC FORM 4

Evidence

9
CC
Chen Stephen C.General Counsel
DUOLDuolingo, Inc.
Option exercise
M—
1,800 sh
Dec 29, 2025Dec 30, 2025
traded Dec 29, 2025
+1dSEC FORM 4

Evidence

19
HS
Hacker SeverinDirector, Chief Tech Officer, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$429K
1,625 sh
Nov 4, 2025Nov 6, 2025
traded Nov 4, 2025
+2dSEC FORM 4

Evidence

12
HS
Hacker SeverinDirector, Chief Tech Officer, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$147K
560 sh
Nov 4, 2025Nov 6, 2025
traded Nov 4, 2025
+2dSEC FORM 4

Evidence

19
HS
Hacker SeverinDirector, Chief Tech Officer, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$466K
1,778 sh
Nov 4, 2025Nov 6, 2025
traded Nov 4, 2025
+2dSEC FORM 4

Evidence

5
HS
Hacker SeverinDirector, Chief Tech Officer, Co-Founder, 10% Owner
DUOLDuolingo, Inc.
Open-market sale · 10b5-1 plan
SELL$43K
165 sh
Nov 4, 2025Nov 6, 2025
traded Nov 4, 2025
+2dSEC FORM 4

Evidence

Shelton James H
Director · Oct 13, 2026
  • ← Insider ofevidence
    Schlosser MarioDirector · Oct 13, 2026
  • ← Insider ofevidence
    Lilly III John OsborneDirector · Oct 13, 2026
  • ← Insider ofevidence
    von Ahn LuisDirector, President & CEO, Co-Founder, 10% Owner · Sep 18, 2026
  • ← Insider ofevidence
    Chen Stephen C.General Counsel · Dec 30, 2025
  • ← Insider ofevidence
    Hacker SeverinDirector, Chief Tech Officer, Co-Founder, 10% Owner · Nov 6, 2025

    • Planned sales and 5% stakes

    Form 144, 13D and 13G
    • SCSTEPHEN CHENOfficer · sale around Nov 4, 2026 · 3,700 shares · 10b5-1 plan$474KForm 144 · filed Nov 4, 2026
    • VMVanguard Capital ManagementPassive holder · crossed on Sep 30, 2026 · 1.93M shares4.78% of class13G amendment · filed Oct 30, 2026