TickerFacts.

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

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Download filings CSV

SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-10 · 0001628280-26-065790

  2. 4 · Ownership change

    Report date 2026-10-10 · 0001628280-26-065789

  3. 4 · Ownership change

    Report date 2026-10-10 · 0001628280-26-065788

  4. 4 · Ownership change

    Report date 2026-10-10 · 0001628280-26-065787

  5. 4 · Ownership change

    Report date 2026-10-07 · 0001628280-26-065528

  6. 4 · Ownership change

    Report date 2026-09-24 · 0001628280-26-063709

  7. 4 · Ownership change

    Report date 2026-09-21 · 0001628280-26-063251

  8. 4 · Ownership change

    Report date 2026-09-16 · 0001628280-26-062790

  9. 8-K · Current report

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

  10. 8-K · Current report

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

  11. 10-Q · Quarterly report

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

  12. 8-K · Current report

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

  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 2026-10-23 · 2026 Q3: 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: 22 transaction rows22SGrant / award: 6 transaction rows6AExercise / conversion: 6 transaction rows6MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

52 matching transaction rows. Showing 1 to 50.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-24
2026-09-28
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock900.0152.29
2026-09-24
2026-09-28
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock7024.0151.42
2026-09-24
2026-09-28
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock38758.0150.45
2026-09-24
2026-09-28
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class A Common Stock46682.038.08
2026-09-24
2026-09-28
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Disposed
Class B Common Stock
Derivative security
46682.00.0
2026-09-24
2026-09-28
von Ahn Luis
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
46682.00.0
2026-09-24
2026-09-28
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class B Common Stock
Derivative security
46682.00.0
2026-09-22
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock3414.0152.02
2026-09-22
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock200.0150.0
2026-09-22
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class A Common Stock3614.038.08
2026-09-22
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
3614.00.0
2026-09-22
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class B Common Stock
Derivative security
3614.00.0
2026-09-22
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Disposed
Class B Common Stock
Derivative security
3614.00.0
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock4109.0151.07
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock33257.0150.46
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class A Common Stock9406.038.08
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class A Common Stock27960.014.42
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
27960.00.0
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class B Common Stock
Derivative security
27960.00.0
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Disposed
Class B Common Stock
Derivative security
27960.00.0
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
9406.00.0
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class B Common Stock
Derivative security
9406.00.0
2026-09-21
2026-09-23
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Disposed
Class B Common Stock
Derivative security
9406.00.0
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock27272.0150.17
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class A Common Stock5252.038.08
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class A Common Stock23040.014.42
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1020.0151.54
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class B Common Stock
Derivative security
5252.00.0
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
23040.00.0
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Stock Option (Right to Buy)
Derivative security
5252.00.0
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Disposed
Class B Common Stock
Derivative security
23040.00.0
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Disposed
Class B Common Stock
Derivative security
5252.00.0
2026-09-16
2026-09-18
von Ahn Luis
10b5-1 checkbox reported
C · Conversion
Acquired
Class B Common Stock
Derivative security
23040.00.0
2026-09-14
2026-09-15
Chen Stephen C.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2107.0147.43
2026-09-14
2026-09-15
Chen Stephen C.
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock5965.0150.0
2026-09-08
2026-09-10
GORDON WILLIAM B
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock100.0151.64
2026-09-08
2026-09-10
GORDON WILLIAM B
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2675.0146.58
2026-09-08
2026-09-10
GORDON WILLIAM B
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock3483.0145.91
2026-09-08
2026-09-10
GORDON WILLIAM B
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2742.0144.59
2026-09-08
2026-09-10
GORDON WILLIAM B
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock800.0143.83
2026-09-08
2026-09-10
GORDON WILLIAM B
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock200.0148.68
2026-08-18
2026-08-19
Glance Natalie
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock1037.0138.19
2026-08-18
2026-08-19
Glance Natalie
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock502.0137.01
2026-08-17
2026-08-19
Glance Natalie
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock2751.0129.13
2026-08-17
2026-08-19
Meese RobertS · Sale
Disposed
Class A Common Stock1354.0129.13
2026-08-17
2026-08-19
Chen Stephen C.S · Sale
Disposed
Class A Common Stock1024.0129.13
2026-08-10
2026-08-12
KRAWCHECK SALLIEA · Grant / award
Acquired
Class A Common Stock3280.00.0
2026-08-10
2026-08-12
KRAWCHECK SALLIEA · Grant / award
Acquired
Class A Common Stock1312.00.0
2026-07-10
2026-07-14
Shelton James HA · Grant / award
Acquired
Class A Common Stock120.0124.76
2026-07-10
2026-07-14
Bohutinsky AmyA · Grant / award
Acquired
Class A Common Stock130.0124.76

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 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 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names

    Revenue in constant purchasing power

    USD revenue expressed in 2026-09 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$803.45M
    2023-12-31$531.11M$587.26M
    2022-12-31$369.50M$425.34M
    2021-12-31$250.77M$311.77M
    2020-12-31$161.70M$210.51M

    Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

    Explore the CPI history ↗