A business in context

ACMR research notebook

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

Research JSON

Filing timeline

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. 8-K · Current report

    Report date 2026-09-30 · 0001628280-26-063896 · Items 8.01,9.01

  2. 4 · Ownership change

    Report date 2026-09-08 · 0001140361-26-036191

  3. 8-K · Current report

    Report date 2026-08-17 · 0001628280-26-059251 · Items 8.01,9.01

  4. 4 · Ownership change

    Report date 2026-08-12 · 0001140361-26-034528

  5. 4 · Ownership change

    Report date 2026-08-12 · 0001140361-26-034527

  6. 4 · Ownership change

    Report date 2026-08-12 · 0001140361-26-034526

  7. 4 · Ownership change

    Report date 2026-08-20 · 0001140361-26-034070

  8. 4 · Ownership change

    Report date 2026-08-18 · 0001140361-26-033892

  9. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001628280-26-054832

  10. 8-K · Current report

    Report date 2026-08-07 · 0001628280-26-054581 · Items 2.02,9.01

  11. 4 · Ownership change

    Report date 2026-05-13 · 0001140361-26-027691

  12. 8-K · Current report

    Report date 2026-06-18 · 0001628280-26-044506 · Items 8.01,9.01

  13. 8-K · Current report

    Report date 2026-06-10 · 0001628280-26-042833 · Items 5.07

  14. 4 · Ownership change

    Report date 2026-06-04 · 0001140361-26-024322

  15. 8-K · Current report

    Report date 2026-05-26 · 0001140361-26-023310 · Items 8.01,9.01

  16. 8-K · Current report

    Report date 2026-05-19 · 0001628280-26-037552 · Items 8.01,9.01

  17. 8-K · Current report

    Report date 2026-05-15 · 0001140361-26-021661 · Items 8.01

  18. 8-K · Current report

    Report date 2026-05-12 · 0001140361-26-020717 · Items 1.01,9.01

  19. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-032842

  20. 8-K · Current report

    Report date 2026-05-07 · 0001628280-26-031688 · Items 2.02,9.01

  21. DEF 14A · Proxy statement

    Report date 2026-06-10 · 0001628280-26-027358

  22. 8-K · Current report

    Report date 2026-04-27 · 0001628280-26-027353 · Items 2.02,9.01

  23. 8-K · Current report

    Report date 2026-04-17 · 0001628280-26-025599 · Items 8.01,9.01

  24. 8-K · Current report

    Report date 2026-03-24 · 0001628280-26-020846 · Items 8.01,9.01

  25. 8-K · Current report

    Report date 2026-03-13 · 0001628280-26-019811 · Items 8.01,9.01

  26. 10-K · Annual report

    Report date 2025-12-31 · 0001628280-26-013231

  27. 8-K · Current report

    Report date 2026-02-26 · 0001628280-26-011998 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2026-02-06 · 0001680062-26-000020 · Items 8.01,9.01

  29. 8-K · Current report

    Report date 2026-02-04 · 0001680062-26-000016 · Items 8.01,9.01

  30. 8-K · Current report

    Report date 2026-02-02 · 0001680062-26-000012 · Items 8.01,9.01

  31. 8-K · Current report

    Report date 2026-01-30 · 0001680062-26-000009 · Items 8.01,9.01

  32. 8-K · Current report

    Report date 2026-01-22 · 0001680062-26-000003 · Items 2.02,9.01

  33. 8-K · Current report

    Report date 2025-11-19 · 0001628280-25-053576 · Items 8.01,9.01

  34. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001628280-25-050152

  35. 8-K · Current report

    Report date 2025-11-05 · 0001628280-25-049264 · Items 2.02,9.01

  36. 8-K · Current report

    Report date 2025-10-29 · 0001680062-25-000031 · Items 2.02,9.01

  37. 8-K · Current report

    Report date 2025-09-29 · 0001680062-25-000027 · Items 8.01,9.01

  38. 8-K · Current report

    Report date 2025-09-24 · 0001680062-25-000023 · Items 8.01,9.01

  39. 8-K · Current report

    Report date 2025-08-15 · 0001140361-25-032195 · Items 8.01,9.01

  40. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001680062-25-000017

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: 15 transaction rows15SGrant / award: 7 transaction rows7AExercise / conversion: 10 transaction rows10MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

32 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-09
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock4807.076.73
2026-09-09
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock1100.077.59
2026-09-09
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock11666.075.58
2026-09-09
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock18934.074.67
2026-09-09
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock33493.073.8
2026-09-09
2026-09-10
Wang David HM · Exercise / conversion
Acquired
Class A Common Stock70000.01.0
2026-09-09
2026-09-10
Wang David HM · Exercise / conversion
Disposed
Stock Option
Derivative security
70000.00.0
2026-09-08
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock1500.078.57
2026-09-08
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock12323.078.08
2026-09-08
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock51374.077.15
2026-09-08
2026-09-10
Wang David HM · Exercise / conversion
Acquired
Class A Common Stock70000.01.0
2026-09-08
2026-09-10
Wang David HS · Sale
Disposed
Class A Common Stock4803.075.99
2026-09-08
2026-09-10
Wang David HM · Exercise / conversion
Disposed
Stock Option
Derivative security
70000.00.0
2026-08-20
2026-08-21
McKechnie MarkS · Sale
Disposed
Class A Common Stock11209.077.89
2026-08-20
2026-08-21
McKechnie MarkS · Sale
Disposed
Class A Common Stock30365.077.45
2026-08-20
2026-08-21
McKechnie MarkS · Sale
Disposed
Class A Common Stock13625.076.34
2026-08-20
2026-08-21
McKechnie MarkM · Exercise / conversion
Acquired
Class A Common Stock25000.013.89
2026-08-20
2026-08-21
McKechnie MarkM · Exercise / conversion
Acquired
Class A Common Stock30199.019.49
2026-08-20
2026-08-21
McKechnie MarkM · Exercise / conversion
Disposed
Stock Option
Derivative security
25000.00.0
2026-08-20
2026-08-21
McKechnie MarkM · Exercise / conversion
Disposed
Stock Option
Derivative security
30199.00.0
2026-08-18
2026-08-20
Dun HaipingS · Sale
Disposed
Class A Common Stock3400.081.31
2026-08-18
2026-08-20
Dun HaipingS · Sale
Disposed
Class A Common Stock1200.080.29
2026-08-18
2026-08-20
Dun HaipingM · Exercise / conversion
Acquired
Class A Common Stock5000.05.6
2026-08-18
2026-08-20
Dun HaipingS · Sale
Disposed
Class A Common Stock400.082.17
2026-08-18
2026-08-20
Dun HaipingM · Exercise / conversion
Disposed
Stock Option
Derivative security
5000.00.0
2026-08-12
2026-08-26
Pappis Charles CA · Grant / award
Acquired
Restricted Stock Units
Derivative security
728.00.0
2026-08-12
2026-08-26
Pappis Charles CA · Grant / award
Acquired
Stock Option
Derivative security
6400.00.0
2026-08-12
2026-08-26
Liu TracyA · Grant / award
Acquired
Stock Option
Derivative security
6400.00.0
2026-08-12
2026-08-26
Liu TracyA · Grant / award
Acquired
Restricted Stock Units
Derivative security
728.00.0
2026-08-12
2026-08-26
Dun HaipingA · Grant / award
Acquired
Stock Option
Derivative security
6400.00.0
2026-08-12
2026-08-26
Dun HaipingA · Grant / award
Acquired
Restricted Stock Units
Derivative security
728.00.0
2026-05-13
2026-07-06
Wang David HA · Grant / award
Acquired
Restricted Stock Units
Derivative security
6208.00.0

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 · 0001680062ACM Research, 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$782.12M$840.07M
    2023-12-31$557.72M$616.69M
    2022-12-31$388.83M$447.60M
    2021-12-31$259.75M$322.94M
    2020-12-31$156.62M$203.90M
    2019-12-31$107.52M$141.70M
    2018-12-31$74.64M$100.15M
    2017-12-31$36.51M$50.18M

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

    Explore the CPI history ↗