TickerFacts.

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SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-15 · 0001610717-26-000441

  2. 8-K · Current report

    Report date 2026-10-15 · 0001193125-26-422944 · Items 5.02,7.01,9.01

  3. 4 · Ownership change

    Report date 2026-10-05 · 0001610717-26-000433

  4. 4 · Ownership change

    Report date 2026-10-05 · 0001610717-26-000432

  5. 4 · Ownership change

    Report date 2026-10-02 · 0001610717-26-000427

  6. 4 · Ownership change

    Report date 2026-09-30 · 0001610717-26-000424

  7. 4 · Ownership change

    Report date 2026-09-10 · 0001866692-26-000018

  8. 4 · Ownership change

    Report date 2026-09-04 · 0001866692-26-000015

  9. 4 · Ownership change

    Report date 2026-08-17 · 0001866692-26-000013

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001193125-26-335706

  11. 8-K · Current report

    Report date 2026-08-05 · 0001193125-26-335305 · Items 2.02,9.01

  12. 8-K · Current report

    Report date 2026-06-09 · 0001193125-26-265850 · Items 5.07

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001193125-26-209631

  14. 8-K · Current report

    Report date 2026-05-06 · 0001193125-26-209264 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-06-09 · 0001140361-26-016728

  16. 8-K · Current report

    Report date 2026-02-24 · 0001193125-26-067137 · Items 5.02,7.01,9.01

  17. 10-K · Annual report

    Report date 2025-12-31 · 0001193125-26-057847

  18. 8-K · Current report

    Report date 2026-02-18 · 0001193125-26-057052 · Items 2.02,9.01

  19. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001193125-25-267492

  20. 8-K · Current report

    Report date 2025-11-05 · 0001193125-25-266930 · Items 2.02,9.01

  21. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000950170-25-104357

  22. 8-K · Current report

    Report date 2025-08-06 · 0000950170-25-104010 · Items 2.02,9.01

  23. 8-K · Current report

    Report date 2025-06-06 · 0001193125-25-139911 · Items 5.02,5.07

  24. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000950170-25-065639

  25. 8-K · Current report

    Report date 2025-05-07 · 0000950170-25-065627 · Items 2.02,9.01

  26. DEF 14A · Proxy statement

    Report date 2025-06-12 · 0001140361-25-015778

  27. 8-K · Current report

    Report date 2025-03-28 · 0001193125-25-070392 · Items 1.01

  28. 8-K · Current report

    Report date 2025-02-22 · 0001193125-25-035156 · Items 5.02,7.01,9.01

  29. 10-K · Annual report

    Report date 2024-12-31 · 0000950170-25-024135

  30. 8-K · Current report

    Report date 2025-02-19 · 0000950170-25-023152 · Items 2.02,9.01

  31. SC 13G/A · Ownership disclosure

    0001897612-24-002004

  32. SC 13G/A · Ownership disclosure

    0001193125-24-257558

  33. SC 13G/A · Ownership disclosure

    0001193125-24-257269

  34. SC 13G/A · Ownership disclosure

    0001104659-24-116804

  35. SC 13G/A · Ownership disclosure

    0000315066-24-002671

  36. 10-Q · Quarterly report

    Report date 2024-09-30 · 0000950170-24-123339

  37. 8-K · Current report

    Report date 2024-11-07 · 0000950170-24-123275 · Items 2.02,9.01

  38. 10-Q · Quarterly report

    Report date 2024-06-30 · 0000950170-24-093925

  39. 8-K · Current report

    Report date 2024-08-08 · 0000950170-24-093897 · Items 2.02,9.01

  40. 8-K · Current report

    Report date 2024-08-05 · 0001193125-24-193428 · Items 5.02,7.01,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 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: 2 transaction rows2SGrant / award: 2 transaction rows2AExercise / conversion: 0 transaction rows0MTax / exercise payment: 4 transaction rows4FGift: 2 transaction rows2G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

12 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-10
2026-09-14
Skates Spenser
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock185000.012.3
2026-09-10
2026-09-14
Skates Spenser
10b5-1 checkbox reported
C · Conversion
Acquired
Class A Common Stock185000.00.0
2026-09-10
2026-09-14
Skates Spenser
10b5-1 checkbox reported
C · Conversion
Disposed
Class B Common Stock
Derivative security
185000.00.0
2026-09-04
2026-09-09
Crook Nathaniel Glenn
10b5-1 checkbox reported
S · Sale
Disposed
Class A Common Stock300000.012.99
2026-08-17
2026-08-18
Liu CurtisF · Tax / exercise payment
Disposed
Class A Common Stock53878.013.03
2026-08-17
2026-08-18
Skates SpenserF · Tax / exercise payment
Disposed
Class A Common Stock52369.013.03
2026-08-17
2026-08-18
Crook Nathaniel GlennF · Tax / exercise payment
Disposed
Class A Common Stock109368.013.03
2026-08-17
2026-08-18
Casey AndrewF · Tax / exercise payment
Disposed
Class A Common Stock72814.013.03
2026-07-08
2026-07-10
Liu CurtisG · Gift
Acquired
Class B Common Stock
Derivative security
175000.00.0
2026-07-08
2026-07-10
Liu CurtisG · Gift
Disposed
Class B Common Stock
Derivative security
175000.00.0
2026-07-05
2026-07-07
Tzuo TienA · Grant / award
Acquired
Class A Common Stock1521.00.0
2026-07-05
2026-07-07
Schultz EricaA · Grant / award
Acquired
Class A Common Stock1659.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 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 · 0001866692Amplitude, 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 2026-10-15 · 1199 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$299.27M$321.45M
    2023-12-31$276.28M$305.50M
    2022-12-31$238.07M$274.05M
    2021-12-31$167.26M$207.95M
    2020-12-31$102.46M$133.39M
    2019-12-31$68.44M$90.20M

    Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

    Explore the CPI history ↗