ACM Research, Inc. SEC filings ACMR
ACM Research, Inc. has 630 filings in SEC EDGAR's recent list, going back to Aug 16, 2016. Its latest annual report, Form 10-K, was filed on Mar 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 8-K |
Current report
Officer or director change
|
Nov 3, 2026 | Oct 1, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2026 | Oct 28, 2026 |
| 8-K |
Current report
Other events
|
Sep 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Other events
|
Aug 27, 2026 | Aug 17, 2026 |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2026 | Aug 7, 2026 |
| 8-K |
Current report
Other events
|
Jun 22, 2026 | Jun 18, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2026 | Jun 10, 2026 |
| 8-K |
Current report
Other events
|
May 29, 2026 | May 26, 2026 |
| 8-K |
Current report
Other events
|
May 22, 2026 | May 19, 2026 |
| 8-K |
Current report
Other events
|
May 15, 2026 | May 15, 2026 |
| 424B5 | Prospectus supplement | May 12, 2026 | — |
| 8-K |
Current report
Material agreement
|
May 12, 2026 | May 12, 2026 |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| DEF 14A | Proxy statement | Apr 27, 2026 | Jun 10, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2026 | Apr 27, 2026 |
| 8-K |
Current report
Other events
|
Apr 17, 2026 | Apr 17, 2026 |
| 8-K |
Current report
Other events
|
Mar 24, 2026 | Mar 24, 2026 |
| 8-K |
Current report
Other events
|
Mar 19, 2026 | Mar 13, 2026 |
| S-8 | Employee stock plan registration | Mar 4, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Other events
|
Feb 6, 2026 | Feb 6, 2026 |
| 8-K |
Current report
Other events
|
Feb 4, 2026 | Feb 4, 2026 |
| 8-K |
Current report
Other events
|
Feb 3, 2026 | Feb 2, 2026 |
| 8-K |
Current report
Other events
|
Jan 30, 2026 | Jan 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 22, 2026 | Jan 22, 2026 |
| 8-K |
Current report
Other events
|
Nov 21, 2025 | Nov 19, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Other events
|
Sep 29, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Other events
|
Sep 24, 2025 | Sep 24, 2025 |
| 8-K |
Current report
Other events
|
Aug 21, 2025 | Aug 15, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Other events
|
Jun 30, 2025 | Jun 28, 2025 |
| 8-K |
Current report
Other events
|
Jun 13, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Other events
|
May 23, 2025 | May 20, 2025 |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| DEFA14A | Additional proxy material | Apr 29, 2025 | — |
| DEF 14A | Proxy statement | Apr 29, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2025 | Apr 29, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 21, 2025 | Apr 18, 2025 |
| 8-K |
Current report
Other events
|
Mar 24, 2025 | Mar 20, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 18, 2025 | Mar 15, 2025 |
| S-8 | Employee stock plan registration | Mar 3, 2025 | — |
| 10-K | Annual report | Mar 3, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 14, 2025 | Jan 14, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 12, 2024 | Nov 5, 2024 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Other events
|
Sep 30, 2024 | Sep 30, 2024 |
| 10-Q | Quarterly report | Aug 7, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2024 | Aug 7, 2024 |
| 8-K |
Current report
Other events
|
Jun 20, 2024 | Jun 18, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Other events
|
May 17, 2024 | May 14, 2024 |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 26, 2024 | Apr 26, 2024 |
| 8-K |
Current report
Other events
|
Mar 21, 2024 | Mar 12, 2024 |
| S-3ASR | Automatic shelf registration | Mar 18, 2024 | — |
| S-8 | Employee stock plan registration | Mar 18, 2024 | — |
| 10-K | Annual report | Feb 28, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Other events
|
Feb 2, 2024 | Jan 26, 2024 |
| 8-K |
Current report
Other events
|
Jan 25, 2024 | Jan 25, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 9, 2024 | Jan 9, 2024 |
| 8-K |
Current report
Other events
|
Jan 5, 2024 | Dec 21, 2023 |
| 8-K |
Current report
Other events
|
Dec 8, 2023 | Nov 13, 2023 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2023 | Oct 27, 2023 |
| 8-K |
Current report
Other events
|
Sep 27, 2023 | Sep 27, 2023 |
| 8-K |
Current report
Auditor change
|
Sep 26, 2023 | Sep 20, 2023 |
| 8-K |
Current report
Other events
|
Sep 25, 2023 | Sep 12, 2023 |
| UPLOAD | Letter from the SEC | Sep 7, 2023 | — |
| CORRESP | Letter to the SEC | Aug 18, 2023 | — |
| 10-Q | Quarterly report | Aug 7, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 7, 2023 | Aug 4, 2023 |
| UPLOAD | Letter from the SEC | Aug 4, 2023 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jul 31, 2023 | Jul 25, 2023 |
| 8-K |
Current report
Auditor change
|
Jul 27, 2023 | Jul 21, 2023 |
| 8-K |
Current report
Other events
|
Jul 5, 2023 | Jun 27, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2023 | Jun 15, 2023 |
| 8-K |
Current report
Other events
|
Jun 8, 2023 | Jun 2, 2023 |
| DEFR14A | Filing | May 23, 2023 | — |
| S-8 | Employee stock plan registration | May 15, 2023 | — |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 5, 2023 | May 5, 2023 |
| DEFA14A | Additional proxy material | May 1, 2023 | — |
| DEF 14A | Proxy statement | May 1, 2023 | — |
| 8-K |
Current report
Results of operations
|
Apr 26, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Other events
|
Apr 19, 2023 | Apr 10, 2023 |
| NT 10-K | Filing | Mar 2, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Mar 2, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2023 | Feb 24, 2023 |
| UPLOAD | Letter from the SEC | Feb 10, 2023 | — |
| CORRESP | Letter to the SEC | Feb 8, 2023 | — |
| 8-K |
Current report
Other events
|
Feb 6, 2023 | Feb 6, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2023 | Jan 30, 2023 |
| UPLOAD | Letter from the SEC | Jan 25, 2023 | — |
| 8-K |
Current report
Other events
|
Jan 13, 2023 | Jan 10, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 4, 2023 | Jan 3, 2023 |
| 8-K |
Current report
Other events
|
Dec 9, 2022 | Dec 5, 2022 |
| CORRESP | Letter to the SEC | Dec 5, 2022 | — |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2022 | Nov 4, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2022 | Oct 27, 2022 |
| UPLOAD | Letter from the SEC | Oct 26, 2022 | — |
| 8-K |
Current report
Results of operations
|
Oct 13, 2022 | Oct 13, 2022 |
| 8-K |
Current report
Other events
|
Sep 6, 2022 | Sep 2, 2022 |
| CORRESP | Letter to the SEC | Aug 16, 2022 | — |
| 10-Q | Quarterly report | Aug 9, 2022 | Jun 30, 2022 |
| CORRESP | Letter to the SEC | Aug 5, 2022 | — |
| 8-K |
Current report
Results of operations
|
Aug 5, 2022 | Aug 5, 2022 |
| CORRESP | Letter to the SEC | Jul 21, 2022 | — |
| UPLOAD | Letter from the SEC | Jul 12, 2022 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 30, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Other events
|
Jun 23, 2022 | Jun 20, 2022 |
| DEFR14A | Filing | May 23, 2022 | — |
| DEFR14A | Filing | May 23, 2022 | — |
| 8-K |
Current report
Other events
|
May 20, 2022 | May 9, 2022 |
| DEFA14A | Additional proxy material | May 20, 2022 | — |
| DEF 14A | Proxy statement | May 20, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Auditor change, Other events
|
May 19, 2022 | May 16, 2022 |
| 10-Q | Quarterly report | May 9, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 6, 2022 | May 6, 2022 |
| 10-K/A | Amended annual report | Apr 29, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 28, 2022 | Apr 27, 2022 |
| 8-K |
Current report
Other events
|
Apr 12, 2022 | Apr 10, 2022 |
| 8-K |
Current report
Other events
|
Mar 3, 2022 | Mar 3, 2022 |
| 8-K |
Current report
Other events
|
Mar 2, 2022 | Feb 25, 2022 |
| 10-K | Annual report | Mar 1, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2022 | Feb 25, 2022 |
| 8-K |
Current report
Other events
|
Feb 15, 2022 | Feb 11, 2022 |
| 8-K |
Current report
Other events
|
Jan 18, 2022 | Jan 6, 2022 |
| 8-K |
Current report
Other events
|
Dec 10, 2021 | Nov 12, 2021 |
| 10-Q | Quarterly report | Nov 8, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 8, 2021 | Sep 8, 2021 |
| 8-K |
Current report
Other events
|
Aug 20, 2021 | Aug 20, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 10, 2021 | Aug 5, 2021 |
| 10-Q | Quarterly report | Aug 6, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jul 13, 2021 | Jul 13, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2021 | Jun 2, 2021 |
| 8-K |
Current report
Material agreement
|
May 21, 2021 | May 18, 2021 |
| DEFA14A | Additional proxy material | May 21, 2021 | — |
| 10-Q | Quarterly report | May 7, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| DEFA14A | Additional proxy material | Apr 23, 2021 | — |
| DEF 14A | Proxy statement | Apr 23, 2021 | Jun 2, 2021 |
| PRE 14A | Preliminary proxy statement | Apr 13, 2021 | Jun 2, 2021 |
| S-8 | Employee stock plan registration | Mar 11, 2021 | — |
| 10-K | Annual report | Mar 1, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 25, 2021 | Oct 28, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2021 | Feb 25, 2021 |
| 8-K |
Current report
Other events
|
Dec 15, 2020 | Dec 15, 2020 |
| 10-Q | Quarterly report | Nov 9, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| RW | Filing | Aug 11, 2020 | — |
| 10-Q | Quarterly report | Aug 10, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 5, 2020 | Aug 5, 2020 |
| 8-K |
Current report
Material agreement
|
Jul 7, 2020 | Jun 9, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2020 | Jun 2, 2020 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Jun 1, 2020 | May 26, 2020 |
| S-1 | Registration statement | May 26, 2020 | — |
| 8-K |
Current report
Material agreement, Other events
|
May 13, 2020 | May 7, 2020 |
| 10-Q | Quarterly report | May 8, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| DEFA14A | Additional proxy material | Apr 23, 2020 | — |
| DEF 14A | Proxy statement | Apr 23, 2020 | Jun 2, 2020 |
| 8-K |
Current report
Listing notice
|
Mar 27, 2020 | Mar 24, 2020 |
| 10-K | Annual report | Mar 24, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 19, 2020 | Mar 18, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 14, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Material agreement
|
Dec 17, 2019 | Nov 29, 2019 |
| 8-K |
Current report
Other events
|
Dec 6, 2019 | Dec 2, 2019 |
| 10-Q | Quarterly report | Nov 13, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Officer or director change
|
Nov 8, 2019 | Nov 4, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2019 | Nov 6, 2019 |
| 8-K |
Current report
Material agreement
|
Oct 25, 2019 | Sep 5, 2019 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 16, 2019 | Aug 14, 2019 |
| 424B5 | Prospectus supplement | Aug 15, 2019 | — |
| 424B5 | Prospectus supplement | Aug 13, 2019 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Aug 13, 2019 | Aug 13, 2019 |
| 10-Q | Quarterly report | Aug 12, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2019 | Aug 7, 2019 |
| S-8 | Employee stock plan registration | Jul 23, 2019 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jun 18, 2019 | Jun 12, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 17, 2019 | Jun 17, 2019 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Special Industry Machinery, NEC (SIC 3559)
- Listed as
- ACMR (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- CA
- Headquarters
- Fremont, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1680062
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.