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Read the disclosures. Follow the relationships. Keep the dates in view.

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SEC submissions · retrieved 2026-09-08 · 8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-08-17 · 0001628280-26-058021

  2. 4 · Ownership change

    Report date 2026-08-17 · 0001628280-26-058020

  3. 4 · Ownership change

    Report date 2026-08-17 · 0001628280-26-058019

  4. 8-K · Current report

    Report date 2026-08-18 · 0001628280-26-057818 · Items 7.01

  5. 4 · Ownership change

    Report date 2026-08-10 · 0001628280-26-056396

  6. 8-K · Current report

    Report date 2026-08-10 · 0001628280-26-055015 · Items 5.02,7.01,9.01

  7. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001628280-26-053603

  8. 8-K · Current report

    Report date 2026-08-05 · 0001628280-26-053299 · Items 2.02,9.01

  9. 4 · Ownership change

    Report date 2026-07-10 · 0001628280-26-048225

  10. 4 · Ownership change

    Report date 2026-07-10 · 0001628280-26-048223

  11. 4 · Ownership change

    Report date 2026-07-10 · 0001628280-26-048221

  12. 4 · Ownership change

    Report date 2026-07-10 · 0001628280-26-048219

  13. 8-K · Current report

    Report date 2026-06-03 · 0001628280-26-041280 · Items 5.07

  14. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-029976

  15. 8-K · Current report

    Report date 2026-05-04 · 0001628280-26-029790 · Items 2.02,9.01

  16. DEF 14A · Proxy statement

    Report date 2026-04-17 · 0001628280-26-025728

  17. 8-K/A · Current report

    Report date 2026-02-26 · 0001628280-26-012513 · Items 2.02,9.01

  18. 10-K · Annual report

    Report date 2025-12-31 · 0001628280-26-012494

  19. 8-K · Current report

    Report date 2026-02-26 · 0001628280-26-012246 · Items 2.02,8.01,9.01

  20. 8-K · Current report

    Report date 2026-01-08 · 0001628280-26-001730 · Items 2.02,5.02,9.01

  21. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001628280-25-049743

  22. 8-K · Current report

    Report date 2025-11-05 · 0001628280-25-049514 · Items 2.02,9.01

  23. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001562088-25-000168

  24. 8-K · Current report

    Report date 2025-08-06 · 0001562088-25-000165 · Items 2.02,9.01

  25. 8-K · Current report

    Report date 2025-06-11 · 0001562088-25-000129 · Items 5.07

  26. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001562088-25-000100

  27. 8-K · Current report

    Report date 2025-05-01 · 0001562088-25-000098 · Items 2.02,9.01

  28. DEF 14A · Proxy statement

    Report date 2024-12-31 · 0001562088-25-000086

  29. 10-K · Annual report

    Report date 2024-12-31 · 0001562088-25-000042

  30. 8-K · Current report

    Report date 2025-02-27 · 0001562088-25-000039 · Items 2.02,9.01

  31. 10-Q/A · Quarterly report

    Report date 2024-09-30 · 0001562088-24-000289

  32. 8-K · Current report

    Report date 2024-12-05 · 0001562088-24-000276 · Items 5.02,7.01,9.01

  33. SC 13G · Ownership disclosure

    0000315066-24-002701

  34. SC 13G/A · Ownership disclosure

    0002012383-24-003595

  35. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001562088-24-000250

  36. 8-K · Current report

    Report date 2024-11-06 · 0001562088-24-000248 · Items 2.02,9.01

  37. SC 13G/A · Ownership disclosure

    0002012383-24-000959

  38. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001562088-24-000207

  39. 8-K · Current report

    Report date 2024-08-07 · 0001562088-24-000203 · Items 2.02,9.01

  40. 8-K · Current report

    Report date 2024-06-14 · 0001562088-24-000172 · Items 5.02

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 7 transaction rows7SGrant / award: 10 transaction rows10AExercise / conversion: 8 transaction rows8MTax / exercise payment: 2 transaction rows2FGift: 1 transaction rows1G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

30 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-17
2026-06-18
Chen Stephen C.M · Exercise / conversion
Acquired
Class A Common Stock58.014.42
2026-06-17
2026-06-18
Chen Stephen C.M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
58.00.0
2026-06-03
2026-06-05
Shelton James HA · Grant / award
Acquired
Class A Common Stock2001.00.0
2026-06-03
2026-06-05
Clemens SaraA · Grant / award
Acquired
Class A Common Stock2001.00.0
2026-06-03
2026-06-05
Bohutinsky AmyA · Grant / award
Acquired
Class A Common Stock2001.00.0
2026-06-03
2026-06-05
Lilly III John OsborneA · Grant / award
Acquired
Class A Common Stock2001.00.0
2026-06-03
2026-06-05
GORDON WILLIAM BA · Grant / award
Acquired
Class A Common Stock2001.00.0
2026-06-03
2026-06-05
Schlosser MarioA · Grant / award
Acquired
Class A Common Stock2001.00.0
2026-06-03
2026-06-05
Ross BonnieA · Grant / award
Acquired
Class A Common Stock2001.00.0
2026-05-27
2026-05-29
Hacker SeverinF · Tax / exercise payment
Disposed
Class B Common Stock
Derivative security
31920.0107.82
2026-05-27
2026-05-29
Hacker SeverinM · Exercise / conversion
Acquired
Class B Common Stock
Derivative security
60000.00.0
2026-05-27
2026-05-29
Hacker SeverinM · Exercise / conversion
Disposed
Performance-Based Restricted Stock Units
Derivative security
60000.00.0
2026-05-27
2026-05-29
von Ahn LuisM · Exercise / conversion
Acquired
Class B Common Stock
Derivative security
120000.00.0
2026-05-27
2026-05-29
von Ahn LuisM · Exercise / conversion
Disposed
Performance-Based Restricted Stock Units
Derivative security
120000.00.0
2026-05-27
2026-05-29
von Ahn LuisF · Tax / exercise payment
Disposed
Class B Common Stock
Derivative security
54875.0107.82
2026-05-18
2026-05-19
Chen Stephen C.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1277.0113.27
2026-05-18
2026-05-19
Chen Stephen C.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock700.0114.22
2026-05-18
2026-05-19
Glance Natalie
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2060.0113.21
2026-05-18
2026-05-19
Glance Natalie
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1300.0114.19
2026-05-15
2026-05-19
Chen Stephen C.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock820.0112.16
2026-05-15
2026-05-19
Chen Stephen C.
10b5-1 checkbox reported
A · Grant / award
Acquired
Class A Common Stock24411.0112.06
2026-05-15
2026-05-19
Glance Natalie
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1929.0112.16
2026-05-15
2026-05-19
Glance Natalie
10b5-1 checkbox reported
A · Grant / award
Acquired
Class A Common Stock39058.0112.06
2026-05-15
2026-05-19
Meese RobertA · Grant / award
Acquired
Class A Common Stock19529.0112.06
2026-05-15
2026-05-19
Meese RobertS · Sale
Disposed
Class A Common Stock1420.0112.16
2026-05-12
2026-05-13
Chen Stephen C.M · Exercise / conversion
Acquired
Class A Common Stock648.014.42
2026-05-12
2026-05-13
Chen Stephen C.M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
648.00.0
2026-05-11
2026-05-13
von Ahn LuisC · Conversion
Acquired
Class A Common Stock50000.00.0
2026-05-11
2026-05-13
von Ahn LuisG · Gift
Disposed
Class A Common Stock50000.00.0
2026-05-11
2026-05-13
von Ahn LuisC · Conversion
Disposed
Class B Common Stock
Derivative security
50000.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001562088Duolingo, Inc.

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

    Revenue in constant purchasing power

    USD revenue expressed in 2026-07 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

    Year endedReported USD revenueCPI-adjusted USD revenue
    2024-12-31$748.02M$796.24M
    2023-12-31$531.11M$582.00M
    2022-12-31$369.50M$421.52M
    2021-12-31$250.77M$308.98M
    2020-12-31$161.70M$208.62M

    Bureau of Labor Statistics · retrieved 2026-09-08 · 9 selected series; gaps remain missing

    Explore the CPI history ↗