Company filings profile · CIK 0001680062
ACM Research, Inc. — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for ACM Research, Inc. (ACMR): 16 filings in the last 90 days vs 22 in the prior 90 (filing-velocity cooling ↓ · 0.73×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Oct 1, 2026. Source-linked, daily-refreshed.
Material 8-K events — ACM Research, Inc.
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 30, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
| Aug 27, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
| Aug 7, 2026 | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Jun 22, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
| Jun 12, 2026 | Item 5.07 | ↗ |
| May 29, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
| May 22, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
| May 15, 2026 | Other Events | ↗ |
| May 12, 2026 | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| May 7, 2026 | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Apr 27, 2026 | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Apr 17, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
| Mar 24, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
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Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 30, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Sep 10, 2026 | 4 | FORM 4 | ↗ |
| Sep 9, 2026 | 144 | ↗ | |
| Sep 8, 2026 | 144 | ↗ | |
| Aug 27, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Aug 26, 2026 | 4 | FORM 4 | ↗ |
| Aug 26, 2026 | 4 | FORM 4 | ↗ |
| Aug 26, 2026 | 4 | FORM 4 | ↗ |
| Aug 21, 2026 | 4 | FORM 4 | ↗ |
| Aug 20, 2026 | 4 | FORM 4 | ↗ |
| Aug 20, 2026 | 144 | ↗ | |
| Aug 18, 2026 | 144 | ↗ | |
| Aug 7, 2026 | 10-Q | 10-Q | ↗ |
| Aug 7, 2026 | 8-K | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Jul 31, 2026 | SCHEDULE 13G | ↗ | |
| Jul 6, 2026 | 4 | FORM 4 | ↗ |
| Jun 22, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Jun 12, 2026 | 8-K | Item 5.07 | ↗ |
| Jun 5, 2026 | 4 | FORM 4 | ↗ |
| Jun 5, 2026 | 4 | FORM 4 | ↗ |
| Jun 5, 2026 | 144 | ↗ | |
| Jun 4, 2026 | 144 | ↗ | |
| Jun 4, 2026 | 144 | ↗ | |
| Jun 3, 2026 | 144 | ↗ | |
| May 29, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| May 22, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| May 21, 2026 | 4 | FORM 4 | ↗ |
| May 19, 2026 | 144 | ↗ | |
| May 15, 2026 | 8-K | Other Events | ↗ |
| May 12, 2026 | 424B5 | 424B5 | ↗ |
| May 12, 2026 | 8-K | Entry into a Material Agreement; Financial Statements and Exhibits | ↗ |
| May 8, 2026 | 10-Q | 10-Q | ↗ |
| May 7, 2026 | 8-K | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Apr 27, 2026 | DEF 14A | DEF 14A | ↗ |
| Apr 27, 2026 | 8-K | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Apr 21, 2026 | 4 | FORM 4 | ↗ |
| Apr 17, 2026 | 144 | ↗ | |
| Apr 17, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Mar 26, 2026 | SCHEDULE 13G/A | ↗ | |
| Mar 24, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |