Filer Snapshot

ACM Research, Inc. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001680062.

Entity Type

Company

Total Filings

598

Latest Filing

12 May 2026

Industry

Special Industry Machinery, Nec

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Go to latest filings table Open insider trading context
Source: SEC Forms 3/4/5

424B5 filed on 12 May 2026 for CIK 0001680062.

View Source Filing
Symbol
ACMR on Nasdaq
Industry
Special Industry Machinery, Nec (Office Of Technology)
Business address
42307 Osgood Road, Suite I, Fremont, CA, 94539
State of incorporation
CA
Fiscal year end
31 December

Quick Takeaways

  • ACM Research, Inc. is an SEC filer tracked under CIK 0001680062.
  • 598 filings are listed on this profile.
  • Common form coverage includes 424B5, 8-K, 10-Q and more.

What Changed

  • Latest filing: 424B5 filed on 12 May 2026.
  • Report period: not specified in filing header.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Forms 3/4/5

424B5 filed on 12 May 2026 for CIK 0001680062.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 424B5 can change the filing history, ownership context, or next research path for ACM Research, Inc..

Latest source-backed update
424B5 filed 12 May 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 424B5 filed 12 May 2026.
  • Save this filer if you want a stable place to return after the next filing cycle.
  • Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for ACM Research, Inc.

New fact period available

Latest financial period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

08 May 2026

Page type

Company facts

Latest period

Q1 2026

SEC-backed company facts were refreshed from filings filed on 08 May 2026.

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Benchmark Context

Benchmark context for this company

ACM Research, Inc. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest financial period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 08 May 2026.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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Company intelligence

Research ACM Research, Inc. from filings to ownership signals

Use this company page as the hub for SEC filings, fundamentals, insider activity, large-stake holders, and institutional ownership context.

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Active modules

3/5

Available company intelligence paths on this page.

Filings

598

SEC submissions provide the evidence trail.

Ownership context

1/3

Insider, large-stake, and institutional ownership lanes.

Return loop

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Best-of company intelligence workflow

What changed?

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Why might it matter?

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Where is evidence?

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What to watch next?

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SEC filings

Available

Latest company filings

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Company facts

Available

Financial context

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Forms 3/4/5

Available

Insider activity

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Schedule 13D/G

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Form 13F

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Institutional holders

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Watchlist return triggers

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new company filing insider Form 4 13D/G holder change 13F holder update

Filer Overview

ACM Research, Inc. has filed 598 SEC EDGAR filings since 16 Aug 2016. Common forms include 424B5, 8-K, 10-Q, DEF 14A and more.

Special Industry Machinery, Nec Insider transactions Latest 13F filings

Latest Filings

Recent SEC filings for ACM Research, Inc. with direct links to document and filing folders.

DEF 14A File 001-38273

DEF 14A

Filing date
27 Apr 2026
Reporting date
10 Jun 2026
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
21 Apr 2026
Reporting date
17 Apr 2026
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
17 Apr 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-91511

SCHEDULE 13G/A filing

Filing date
26 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
13 Mar 2026
Reporting date
12 Mar 2026
SEC evidence
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4

FORM 4

Filing date
13 Mar 2026
Reporting date
11 Mar 2026
SEC evidence
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4

FORM 4

Filing date
12 Mar 2026
Reporting date
10 Mar 2026
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
12 Mar 2026
Reporting date
Not listed
SEC evidence
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144 File 001-38273

144 filing

Filing date
12 Mar 2026
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
11 Mar 2026
Reporting date
09 Mar 2026
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
11 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
11 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
10 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
09 Mar 2026
Reporting date
05 Mar 2026
SEC evidence
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4

FORM 4

Filing date
09 Mar 2026
Reporting date
05 Mar 2026
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
09 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
06 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
05 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
05 Mar 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
06 Feb 2026
Reporting date
04 Feb 2026
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91511

SCHEDULE 13G/A filing

Filing date
30 Jan 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
08 Dec 2025
Reporting date
04 Dec 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
08 Dec 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
05 Dec 2025
Reporting date
03 Dec 2025
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
04 Dec 2025
Reporting date
02 Dec 2025
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
04 Dec 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
04 Dec 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
03 Dec 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
03 Dec 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
02 Dec 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
14 Nov 2025
Reporting date
12 Nov 2025
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
14 Nov 2025
Reporting date
12 Nov 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
13 Nov 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
12 Nov 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
29 Oct 2025
Reporting date
27 Oct 2025
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91511

SCHEDULE 13G/A filing

Filing date
02 Oct 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
30 Sep 2025
Reporting date
08 Sep 2025
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
19 Sep 2025
Reporting date
17 Sep 2025
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
19 Sep 2025
Reporting date
18 Sep 2025
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
19 Sep 2025
Reporting date
18 Sep 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
18 Sep 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
18 Sep 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
17 Sep 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
05 Sep 2025
Reporting date
03 Sep 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
04 Sep 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
03 Sep 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
26 Aug 2025
Reporting date
22 Aug 2025
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
26 Aug 2025
Reporting date
22 Aug 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
25 Aug 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
22 Aug 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
22 Aug 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
14 Aug 2025
Reporting date
12 Aug 2025
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
14 Aug 2025
Reporting date
12 Aug 2025
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
14 Aug 2025
Reporting date
12 Aug 2025
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
17 Jul 2025
Reporting date
15 Jul 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
15 Jul 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
09 Jul 2025
Reporting date
07 Jul 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
07 Jul 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
26 Jun 2025
Reporting date
24 Jun 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
24 Jun 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
23 May 2025
Reporting date
21 May 2025
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
22 May 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
21 May 2025
Reporting date
15 Mar 2025
SEC evidence
Open document Open filing
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3

FORM 3

Filing date
21 May 2025
Reporting date
15 Mar 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
21 May 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
16 May 2025
Reporting date
14 May 2025
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
14 May 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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DEFA14A File 001-38273

DEFA14A

Filing date
29 Apr 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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DEF 14A File 001-38273

DEF 14A

Filing date
29 Apr 2025
Reporting date
12 Jun 2025
Next action
Verify source filing
SCHEDULE 13G/A File 005-91511

SCHEDULE 13G/A filing

Filing date
17 Apr 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
19 Mar 2025
Reporting date
17 Mar 2025
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
18 Mar 2025
Reporting date
14 Mar 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
17 Mar 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
14 Mar 2025
Reporting date
12 Mar 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
14 Mar 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
13 Mar 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
12 Mar 2025
Reporting date
10 Mar 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
12 Mar 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
12 Mar 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
11 Mar 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
10 Mar 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
05 Mar 2025
Reporting date
03 Mar 2025
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
05 Mar 2025
Reporting date
03 Mar 2025
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
10 Feb 2025
Reporting date
06 Feb 2025
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
10 Feb 2025
Reporting date
06 Feb 2025
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
06 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
06 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
03 Dec 2024
Reporting date
29 Nov 2024
SEC evidence
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4

FORM 4

Filing date
03 Dec 2024
Reporting date
29 Nov 2024
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
29 Nov 2024
Reporting date
26 Nov 2024
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
29 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
29 Nov 2024
Reporting date
Not listed
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4

FORM 4

Filing date
26 Nov 2024
Reporting date
22 Nov 2024
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4

FORM 4

Filing date
26 Nov 2024
Reporting date
22 Nov 2024
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
26 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
22 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
22 Nov 2024
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
18 Nov 2024
Reporting date
14 Nov 2024
SEC evidence
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4

FORM 4

Filing date
18 Nov 2024
Reporting date
14 Nov 2024
SEC evidence
Open document Open filing
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SCHEDULE 13G/A File 005-91511

SCHEDULE 13G/A filing

Filing date
13 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A File 005-91511

SC 13G/A filing

Filing date
08 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13D/A File 005-91511

SC 13D/A filing

Filing date
29 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC 13G/A File 005-91511

SC 13G/A filing

Filing date
22 Oct 2024
Reporting date
Not listed
SEC evidence
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SC 13D/A File 005-91511

AMENDMENT NO. 2 TO SCHEDULE 13D

Filing date
08 Oct 2024
Reporting date
Not listed
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4

4 filing

Filing date
08 Oct 2024
Reporting date
04 Oct 2024
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4

FORM 4

Filing date
08 Oct 2024
Reporting date
04 Oct 2024
SEC evidence
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4

FORM 4

Filing date
08 Oct 2024
Reporting date
04 Oct 2024
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
04 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
04 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

4 filing

Filing date
03 Oct 2024
Reporting date
01 Oct 2024
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
03 Oct 2024
Reporting date
01 Oct 2024
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
03 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
02 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
01 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
24 Sep 2024
Reporting date
21 Sep 2024
SEC evidence
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4

FORM 4

Filing date
03 Sep 2024
Reporting date
29 Aug 2024
SEC evidence
Open document Open filing
Next action
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144 File 001-38273

144 filing

Filing date
29 Aug 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
26 Aug 2024
Reporting date
22 Aug 2024
SEC evidence
Open document Open filing
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144 File 001-38273

144 filing

Filing date
22 Aug 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
20 Aug 2024
Reporting date
12 Aug 2024
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
20 Aug 2024
Reporting date
12 Aug 2024
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
20 Aug 2024
Reporting date
12 Aug 2024
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
16 Aug 2024
Reporting date
14 Aug 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
01 Jul 2024
Reporting date
27 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
12 Jun 2024
Reporting date
10 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
11 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
10 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
07 Jun 2024
Reporting date
06 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
07 Jun 2024
Reporting date
06 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
07 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
06 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
06 Jun 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
31 May 2024
Reporting date
29 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
31 May 2024
Reporting date
29 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
29 May 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
29 May 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
24 May 2024
Reporting date
22 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
24 May 2024
Reporting date
22 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
22 May 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
22 May 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 May 2024
Reporting date
14 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 May 2024
Reporting date
14 May 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-38273

DEFA14A

Filing date
26 Apr 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-38273

DEF 14A

Filing date
26 Apr 2024
Reporting date
13 Jun 2024
Next action
Verify source filing
S-3ASR File 333-278041

S-3ASR

Filing date
18 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-278039

S-8

Filing date
18 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Mar 2024
Reporting date
14 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Mar 2024
Reporting date
14 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Mar 2024
Reporting date
13 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
14 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
14 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
14 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
13 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
12 Mar 2024
Reporting date
08 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
12 Mar 2024
Reporting date
08 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
08 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
08 Mar 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Mar 2024
Reporting date
01 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Mar 2024
Reporting date
01 Mar 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
01 Mar 2024
Reporting date
28 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
01 Mar 2024
Reporting date
28 Feb 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
28 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
28 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91511

YIHENGACMR13GA2

Filing date
14 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91511

SCHEDULE 13G/A

Filing date
13 Feb 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91511

SC 13G filing

Filing date
26 Jan 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Jan 2024
Reporting date
12 Jan 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
12 Jan 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
28 Dec 2023
Reporting date
26 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
28 Dec 2023
Reporting date
26 Dec 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
26 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
26 Dec 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
01 Dec 2023
Reporting date
29 Nov 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
01 Dec 2023
Reporting date
29 Nov 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
29 Nov 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
29 Nov 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
27 Nov 2023
Reporting date
22 Nov 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
27 Nov 2023
Reporting date
22 Nov 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
22 Nov 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
22 Nov 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
22 Nov 2023
Reporting date
20 Nov 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
20 Nov 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
16 Nov 2023
Reporting date
14 Nov 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
16 Nov 2023
Reporting date
14 Nov 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
15 Nov 2023
Reporting date
13 Nov 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
13 Nov 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
13 Oct 2023
Reporting date
11 Oct 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
11 Oct 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Sep 2023
Reporting date
12 Sep 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
13 Sep 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
12 Sep 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
07 Sep 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
06 Sep 2023
Reporting date
04 Sep 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
05 Sep 2023
Reporting date
01 Sep 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
01 Sep 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
25 Aug 2023
Reporting date
23 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
24 Aug 2023
Reporting date
22 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
23 Aug 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
22 Aug 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
21 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
21 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
21 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
21 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
21 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
21 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
21 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
21 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
18 Aug 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Aug 2023
Reporting date
10 Aug 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
04 Aug 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
3/A

3/A filing

Filing date
18 Jul 2023
Reporting date
29 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-91511

SC 13D/A filing

Filing date
18 Jul 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91511

SC 13G/A filing

Filing date
18 Jul 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
05 Jul 2023
Reporting date
03 Jul 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
03 Jul 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
3

3 filing

Filing date
13 Jun 2023
Reporting date
29 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D File 005-91511

SC 13D filing

Filing date
13 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91511

SC 13G filing

Filing date
13 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
08 Jun 2023
Reporting date
06 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
06 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
05 Jun 2023
Reporting date
01 Jun 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
144 File 001-38273

144 filing

Filing date
01 Jun 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
24 May 2023
Reporting date
22 May 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFR14A File 001-38273

DEFR14A

Filing date
23 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-271931

S-8

Filing date
15 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-38273

DEFA14A

Filing date
01 May 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
20 Mar 2023
Reporting date
16 Mar 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
13 Mar 2023
Reporting date
09 Mar 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
13 Mar 2023
Reporting date
09 Mar 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
NT 10-K File 001-38273

NT 10-K

Filing date
02 Mar 2023
Reporting date
31 Dec 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
14 Feb 2023
Reporting date
12 Feb 2023
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

4/A filing

Filing date
14 Feb 2023
Reporting date
30 Dec 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91511

YIHENG13GA1ACMR

Filing date
14 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91511

SC 13G filing

Filing date
13 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
10 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91511

MS AMENDMENT

Filing date
09 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91511

SCHEDULE 13G

Filing date
09 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91511

MS AMENDMENT

Filing date
08 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
08 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
25 Jan 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
04 Jan 2023
Reporting date
30 Dec 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
04 Jan 2023
Reporting date
31 Dec 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
30 Dec 2022
Reporting date
28 Dec 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
05 Dec 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
02 Dec 2022
Reporting date
30 Nov 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
25 Nov 2022
Reporting date
22 Nov 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
15 Nov 2022
Reporting date
14 Nov 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
26 Oct 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
24 Aug 2022
Reporting date
22 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
22 Aug 2022
Reporting date
18 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
18 Aug 2022
Reporting date
16 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
17 Aug 2022
Reporting date
15 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Aug 2022
Reporting date
12 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
16 Aug 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
10 Aug 2022
Reporting date
08 Aug 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
05 Aug 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
21 Jul 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
13 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
13 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
12 Jul 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
31 May 2022
Reporting date
27 May 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFR14A File 001-38273

DEFR14A

Filing date
23 May 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFR14A File 001-38273

DEFR14A

Filing date
23 May 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 May 2022
Reporting date
18 May 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-38273

DEFA14A

Filing date
20 May 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-38273

DEF 14A

Filing date
20 May 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
11 Mar 2022
Reporting date
09 Mar 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
11 Mar 2022
Reporting date
09 Mar 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Mar 2022
Reporting date
02 Mar 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-91511

YIHENG13GACMR

Filing date
14 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G/A File 005-91511

MS AMENDMENT

Filing date
09 Feb 2022
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
22 Nov 2021
Reporting date
18 Nov 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Nov 2021
Reporting date
03 Nov 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Sep 2021
Reporting date
14 Sep 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
24 Aug 2021
Reporting date
23 Aug 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 Aug 2021
Reporting date
18 Aug 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 Aug 2021
Reporting date
19 Aug 2021
SEC evidence
Open document Open filing
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SC 13G File 005-91511

MS INITIAL

Filing date
19 Aug 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
13 Aug 2021
Reporting date
11 Aug 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-38273

DEFA14A

Filing date
21 May 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
06 May 2021
Reporting date
04 May 2021
SEC evidence
Open document Open filing
Next action
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DEFA14A File 001-38273

DEFA14A

Filing date
23 Apr 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
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DEF 14A File 001-38273

DEF 14A

Filing date
23 Apr 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
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PRE 14A File 001-38273

PRE 14A

Filing date
13 Apr 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
12 Apr 2021
Reporting date
08 Apr 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Apr 2021
Reporting date
05 Apr 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
01 Apr 2021
Reporting date
30 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
22 Mar 2021
Reporting date
18 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Mar 2021
Reporting date
15 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Mar 2021
Reporting date
12 Mar 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Mar 2021
Reporting date
12 Mar 2021
SEC evidence
Open document Open filing
Next action
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S-8 File 333-254150

S-8

Filing date
11 Mar 2021
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
08 Mar 2021
Reporting date
04 Mar 2021
SEC evidence
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4/A

FORM 4/A

Filing date
05 Mar 2021
Reporting date
22 Feb 2021
SEC evidence
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4/A

FORM 4/A

Filing date
05 Mar 2021
Reporting date
22 Feb 2021
SEC evidence
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4/A

FORM 4/A

Filing date
05 Mar 2021
Reporting date
22 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
03 Mar 2021
Reporting date
22 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
03 Mar 2021
Reporting date
22 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
03 Mar 2021
Reporting date
22 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
02 Mar 2021
Reporting date
26 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Feb 2021
Reporting date
12 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Feb 2021
Reporting date
12 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Feb 2021
Reporting date
12 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-91511

SC 13G/A

Filing date
12 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
11 Feb 2021
Reporting date
09 Feb 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
08 Jan 2021
Reporting date
06 Jan 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
31 Dec 2020
Reporting date
30 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
22 Dec 2020
Reporting date
18 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
17 Dec 2020
Reporting date
15 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
07 Dec 2020
Reporting date
03 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
27 Nov 2020
Reporting date
25 Nov 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 Nov 2020
Reporting date
19 Nov 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
16 Nov 2020
Reporting date
12 Nov 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
09 Nov 2020
Reporting date
05 Nov 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
18 Sep 2020
Reporting date
16 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
14 Sep 2020
Reporting date
10 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
11 Sep 2020
Reporting date
10 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
10 Sep 2020
Reporting date
09 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
10 Sep 2020
Reporting date
08 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Sep 2020
Reporting date
03 Sep 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
31 Aug 2020
Reporting date
27 Aug 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
31 Aug 2020
Reporting date
27 Aug 2020
SEC evidence
Open document Open filing
Next action
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RW File 333-238696

RW

Filing date
11 Aug 2020
Reporting date
Not listed
SEC evidence
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Next action
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4

FORM 4

Filing date
07 Aug 2020
Reporting date
05 Aug 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Aug 2020
Reporting date
03 Aug 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
05 Aug 2020
Reporting date
05 Aug 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Jul 2020
Reporting date
31 Mar 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
15 Jul 2020
Reporting date
13 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
07 Jul 2020
Reporting date
09 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
26 Jun 2020
Reporting date
28 Apr 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
17 Jun 2020
Reporting date
15 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
05 Jun 2020
Reporting date
03 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
04 Jun 2020
Reporting date
02 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
01 Jun 2020
Reporting date
26 May 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
26 May 2020
Reporting date
21 May 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1 File 333-238696

S-1

Filing date
26 May 2020
Reporting date
Not listed
SEC evidence
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Next action
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SC 13G File 005-91511

SC 13G

Filing date
22 May 2020
Reporting date
Not listed
SEC evidence
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8-K File 001-38273

8-K

Filing date
13 May 2020
Reporting date
07 May 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
06 May 2020
Reporting date
06 May 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

FORM 4/A

Filing date
27 Apr 2020
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
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DEFA14A File 001-38273

DEFA14A

Filing date
23 Apr 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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DEF 14A File 001-38273

DEF 14A

Filing date
23 Apr 2020
Reporting date
02 Jun 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
27 Mar 2020
Reporting date
24 Mar 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
24 Mar 2020
Reporting date
20 Mar 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
24 Mar 2020
Reporting date
20 Mar 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 Mar 2020
Reporting date
18 Mar 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
20 Mar 2020
Reporting date
18 Mar 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
19 Mar 2020
Reporting date
18 Mar 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
14 Jan 2020
Reporting date
13 Jan 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
17 Dec 2019
Reporting date
29 Nov 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
06 Dec 2019
Reporting date
02 Dec 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
08 Nov 2019
Reporting date
04 Nov 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
07 Nov 2019
Reporting date
06 Nov 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
06 Nov 2019
Reporting date
04 Nov 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
06 Nov 2019
Reporting date
04 Nov 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
25 Oct 2019
Reporting date
05 Sep 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

PRIMARY DOCUMENT

Filing date
02 Oct 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

PRIMARY DOCUMENT

Filing date
02 Oct 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4/A

PRIMARY DOCUMENT

Filing date
02 Oct 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
27 Aug 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
27 Aug 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
27 Aug 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
27 Aug 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
27 Aug 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
27 Aug 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
27 Aug 2019
Reporting date
23 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4-WANG

Filing date
21 Aug 2019
Reporting date
20 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
16 Aug 2019
Reporting date
14 Aug 2019
SEC evidence
Open document Open filing
Next action
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424B5 File 333-228734

424(B)(5)

Filing date
15 Aug 2019
Reporting date
Not listed
SEC evidence
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424B5 File 333-228734

424B5

Filing date
13 Aug 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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8-K File 001-38273

FORM 8-K

Filing date
13 Aug 2019
Reporting date
13 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 001-38273

QUARTERLY REPORT

Filing date
12 Aug 2019
Reporting date
30 Jun 2019
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
08 Aug 2019
Reporting date
07 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
06 Aug 2019
Reporting date
04 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
06 Aug 2019
Reporting date
04 Aug 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-232780

REGISTRATION STATEMENT

Filing date
23 Jul 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
18 Jun 2019
Reporting date
12 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
3

PRIMARY DOCUMENT

Filing date
17 Jun 2019
Reporting date
06 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
3

PRIMARY DOCUMENT

Filing date
17 Jun 2019
Reporting date
06 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
17 Jun 2019
Reporting date
17 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
12 Jun 2019
Reporting date
06 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
30 May 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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10-K/A File 001-38273

AMENDMENT NO. 1

Filing date
24 May 2019
Reporting date
31 Dec 2018
SEC evidence
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10-Q File 001-38273

QUARTERY REPORT

Filing date
14 May 2019
Reporting date
31 Mar 2019
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
10 May 2019
Reporting date
09 May 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
07 May 2019
Reporting date
07 Nov 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
06 May 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-38273

DEF 14A

Filing date
30 Apr 2019
Reporting date
06 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
25 Apr 2019
Reporting date
23 Apr 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
25 Apr 2019
Reporting date
23 Apr 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
25 Apr 2019
Reporting date
23 Apr 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
25 Apr 2019
Reporting date
23 Apr 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
18 Apr 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
10-K File 001-38273

ANNUAL REPORT

Filing date
14 Mar 2019
Reporting date
31 Dec 2018
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
08 Mar 2019
Reporting date
06 Mar 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-228734

EFFECT filing

Filing date
12 Feb 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
08 Feb 2019
Reporting date
04 Feb 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
08 Feb 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3/A File 333-228734

AMENDED REGISTATON STATEMENT

Filing date
27 Dec 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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UPLOAD

UPLOAD filing

Filing date
20 Dec 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3 File 333-228734

REGISTRATION STATEMENT

Filing date
10 Dec 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 001-38273

QUARTERLY REPORT

Filing date
14 Nov 2018
Reporting date
30 Sep 2018
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
07 Nov 2018
Reporting date
07 Nov 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
23 Oct 2018
Reporting date
01 Aug 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
23 Oct 2018
Reporting date
01 Aug 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q/A File 001-38273

AMENDED QUARTERLY REPORT

Filing date
15 Oct 2018
Reporting date
30 Jun 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q/A File 001-38273

AMENDED QUARTERLY REPORT

Filing date
15 Oct 2018
Reporting date
31 Mar 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
15 Oct 2018
Reporting date
08 May 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
31 Aug 2018
Reporting date
30 Aug 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 001-38273

QUARTERLY REPORT

Filing date
09 Aug 2018
Reporting date
30 Jun 2018
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
31 Jul 2018
Reporting date
02 Apr 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
31 Jul 2018
Reporting date
04 Jun 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
3/A

PRIMARY DOCUMENT

Filing date
31 Jul 2018
Reporting date
02 Nov 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
03 Jul 2018
Reporting date
26 Jun 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
03 Jul 2018
Reporting date
29 Jun 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
29 Jun 2018
Reporting date
28 Jun 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
20 Jun 2018
Reporting date
14 Jun 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
17 May 2018
Reporting date
31 Jan 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
10-Q File 001-38273

QUARTERLY REPORT

Filing date
14 May 2018
Reporting date
31 Mar 2018
Next action
Verify source filing
DEFR14A File 001-38273

REVISED PROXY STATEMENT

Filing date
04 May 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-38273

DEFA14A

Filing date
01 May 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
01 May 2018
Reporting date
26 Apr 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-38273

DEFINITIVE PROXY STATEMENT

Filing date
01 May 2018
Reporting date
14 Jun 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
10-K File 001-38273

ANNUAL REPORT

Filing date
23 Mar 2018
Reporting date
31 Dec 2017
Next action
Verify source filing
8-K File 001-38273

CURRENT REPORT

Filing date
09 Mar 2018
Reporting date
05 Mar 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
26 Jan 2018
Reporting date
17 Jan 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
26 Jan 2018
Reporting date
08 Jan 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
S-8 File 333-222702

S-8

Filing date
25 Jan 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

FORM 8-K

Filing date
22 Jan 2018
Reporting date
09 Jan 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-38273

8-K

Filing date
16 Jan 2018
Reporting date
09 Jan 2018
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8-K File 001-38273

8-K

Filing date
14 Nov 2017
Reporting date
07 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
08 Nov 2017
Reporting date
07 Nov 2017
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424B4 File 333-220451

424B4

Filing date
03 Nov 2017
Reporting date
Not listed
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8-K File 001-38273

8-K

Filing date
03 Nov 2017
Reporting date
02 Nov 2017
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CERTNAS File 001-38273

AUTO-GENERATED PAPER DOCUMENT

Filing date
02 Nov 2017
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Not listed
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EFFECT File 333-220451

EFFECT filing

Filing date
02 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
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3

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
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S-1/A File 333-220451

S-1/A

Filing date
02 Nov 2017
Reporting date
Not listed
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8-A12B File 001-38273

8-A12B

Filing date
01 Nov 2017
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
31 Oct 2017
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
31 Oct 2017
Reporting date
Not listed
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S-1/A File 333-220451

S-1/A

Filing date
30 Oct 2017
Reporting date
Not listed
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S-1/A File 333-220451

S-1/A

Filing date
25 Oct 2017
Reporting date
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S-1/A File 333-220451

S-1/A

Filing date
18 Oct 2017
Reporting date
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S-1 File 333-220451

S-1

Filing date
13 Sep 2017
Reporting date
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UPLOAD

UPLOAD filing

Filing date
01 Jun 2017
Reporting date
Not listed
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DRS/A File 377-01483

DRS/A filing

Filing date
09 May 2017
Reporting date
Not listed
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UPLOAD

UPLOAD filing

Filing date
28 Feb 2017
Reporting date
Not listed
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DRS File 377-01483

DRS filing

Filing date
31 Jan 2017
Reporting date
Not listed
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D File 021-268980

D filing

Filing date
16 Aug 2016
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About this filer

ACM Research, Inc. files with the SEC under CIK 0001680062. This page aggregates EDGAR filings and related ownership activity.

Industry: Special Industry Machinery, Nec.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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