ACMR - CIK 0001680062
ACM Research, Inc. has filed 602 documents with the SEC between 2016 and 2026. The most frequent type is insider trade (210 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Activist ownership stake | SC 13D | 2023-06-13 | - |
| Passive ownership stake | SC 13G | 2023-06-13 | - |
| Insider trade | 4 | 2023-06-08 | 2023-06-06 |
| Major company event | 8-K | 2023-06-08 | 2023-06-02 |
| Insider sale notice | 144 | 2023-06-06 | - |
| Insider trade | 4 | 2023-06-05 | 2023-06-01 |
| Insider sale notice | 144 | 2023-06-01 | - |
| Insider trade | 4 | 2023-05-24 | 2023-05-22 |
| DEFR14A | - | 2023-05-23 | - |
| Employee stock plan | S-8 | 2023-05-15 | - |
| Quarterly report | 10-Q | 2023-05-09 | 2023-03-31 |
| Major company event | 8-K | 2023-05-05 | 2023-05-05 |
| Proxy materials | DEFA14A | 2023-05-01 | - |
| Proxy statement | DEF 14A | 2023-05-01 | - |
| Major company event | 8-K | 2023-04-26 | 2023-04-26 |
| Major company event | 8-K | 2023-04-19 | 2023-04-10 |
| Insider trade | 4 | 2023-03-20 | 2023-03-16 |
| Insider trade | 4 | 2023-03-13 | 2023-03-09 |
| Insider trade | 4 | 2023-03-13 | 2023-03-09 |
| NT 10-K | - | 2023-03-02 | 2022-12-31 |
| Annual report | 10-K | 2023-03-02 | 2022-12-31 |
| Major company event | 8-K | 2023-02-24 | 2023-02-24 |
| Passive ownership stake (update) | SC 13G/A | 2023-02-14 | - |
| Insider trade | 4 | 2023-02-14 | 2023-02-12 |
| Insider trade (amended) | 4/A | 2023-02-14 | 2022-12-30 |
| Passive ownership stake | SC 13G | 2023-02-13 | - |
| SEC correspondence | UPLOAD | 2023-02-10 | - |
| Passive ownership stake | SC 13G | 2023-02-09 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-09 | - |
| Company correspondence | CORRESP | 2023-02-08 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-08 | - |
| Major company event | 8-K | 2023-02-06 | 2023-02-06 |
| Major company event | 8-K | 2023-01-30 | 2023-01-30 |
| SEC correspondence | UPLOAD | 2023-01-25 | - |
| Major company event | 8-K | 2023-01-13 | 2023-01-10 |
| Insider trade | 4 | 2023-01-04 | 2022-12-30 |
| Insider trade | 4 | 2023-01-04 | 2022-12-31 |
| Major company event | 8-K | 2023-01-04 | 2023-01-03 |
| Insider trade | 4 | 2022-12-30 | 2022-12-28 |
| Major company event | 8-K | 2022-12-09 | 2022-12-05 |
| Company correspondence | CORRESP | 2022-12-05 | - |
| Insider trade | 4 | 2022-12-02 | 2022-11-30 |
| Insider trade | 4 | 2022-11-25 | 2022-11-22 |
| Insider trade | 4 | 2022-11-15 | 2022-11-14 |
| Quarterly report | 10-Q | 2022-11-08 | 2022-09-30 |
| Major company event | 8-K | 2022-11-04 | 2022-11-04 |
| Major company event | 8-K | 2022-10-27 | 2022-10-27 |
| SEC correspondence | UPLOAD | 2022-10-26 | - |
| Major company event | 8-K | 2022-10-13 | 2022-10-13 |
| Major company event | 8-K | 2022-09-06 | 2022-09-02 |