Filer Snapshot

Jian Wang SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001721620.

Entity Type

Individual

Total Filings

22

Latest Filing

19 Sep 2025

Industry

n/a

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Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 19 Sep 2025 for CIK 0001721620.

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Business address
C/O Acm Research, Inc., 42307 Osgood Road, Suite I, Fremont, CA, 94539
Top holdings (ownership)
ACMR

Quick Takeaways

  • Jian Wang is an SEC filer tracked under CIK 0001721620.
  • 22 filings are listed on this profile.
  • Common form coverage includes 4, 144, 4/A and more.

What Changed

  • Latest filing: 4 filed on 19 Sep 2025.
  • Report period: 18 Sep 2025.

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

4 filed on 19 Sep 2025 for CIK 0001721620.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for Jian Wang.

Latest source-backed update
4 filed 19 Sep 2025
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 19 Sep 2025.
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  • 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.

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Latest update

What changed recently for Jian Wang

Ownership report updated

Latest ownership report period: 18 Sep 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

19 Sep 2025

Page type

Ownership filings

Latest period

18 Sep 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 19 Sep 2025.

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Filer Overview

Jian Wang has filed 22 SEC EDGAR filings since 02 Nov 2017. Common forms include 4, 144, 4/A, 3/A and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Jian Wang with direct links to document and filing folders.

4 File 001-38273

FORM 4

Filing date
19 Sep 2025
Reporting date
18 Sep 2025
SEC evidence
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144

144 filing

Filing date
18 Sep 2025
Reporting date
Not listed
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4 File 001-38273

FORM 4

Filing date
26 Aug 2025
Reporting date
22 Aug 2025
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144

144 filing

Filing date
25 Aug 2025
Reporting date
Not listed
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144

144 filing

Filing date
22 Aug 2025
Reporting date
Not listed
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4 File 001-38273

FORM 4

Filing date
12 Jun 2024
Reporting date
10 Jun 2024
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144

144 filing

Filing date
11 Jun 2024
Reporting date
Not listed
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144

144 filing

Filing date
10 Jun 2024
Reporting date
Not listed
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4 File 001-38273

FORM 4

Filing date
07 Jun 2024
Reporting date
06 Jun 2024
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144

144 filing

Filing date
07 Jun 2024
Reporting date
Not listed
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144

144 filing

Filing date
06 Jun 2024
Reporting date
Not listed
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4 File 001-38273

4 filing

Filing date
14 Feb 2023
Reporting date
12 Feb 2023
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4 File 001-38273

FORM 4

Filing date
31 Dec 2020
Reporting date
30 Dec 2020
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4 File 001-38273

FORM 4

Filing date
10 Sep 2020
Reporting date
09 Sep 2020
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4 File 001-38273

FORM 4

Filing date
15 Jul 2020
Reporting date
31 Mar 2020
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4/A File 001-38273

FORM 4/A

Filing date
27 Apr 2020
Reporting date
23 Aug 2019
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4 File 001-38273

PRIMARY DOCUMENT

Filing date
27 Aug 2019
Reporting date
23 Aug 2019
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4 File 001-38273

PRIMARY DOCUMENT

Filing date
25 Apr 2019
Reporting date
23 Apr 2019
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4 File 001-38273

PRIMARY DOCUMENT

Filing date
23 Oct 2018
Reporting date
01 Aug 2018
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4 File 001-38273

PRIMARY DOCUMENT

Filing date
31 Jul 2018
Reporting date
02 Apr 2018
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3/A File 001-38273

PRIMARY DOCUMENT

Filing date
31 Jul 2018
Reporting date
02 Nov 2017
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3 File 001-38273

FORM 3 SUBMISSION

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
SEC evidence
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About this filer

Jian Wang files with the SEC under CIK 0001721620. This page aggregates EDGAR filings and related ownership activity.

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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