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.

Filer Snapshot

Siu Chris SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001389044.

Entity Type

Individual

Total Filings

Latest Filing

14 May 2026

Industry

n/a

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Open the deeper context page only when this filer actually has insider or ownership signal.

Go to latest filings table Open reporting owner context

Source: SEC filing 144

144 filed on 14 May 2026 for CIK 0001389044.

View Source Filing

Business address: C/O Aehr Test Systems, 400 Kato Terrace, Fremont, CA, 94539
Top holdings (ownership): AEHR and UCTT

Quick Takeaways

Siu Chris is an SEC filer tracked under CIK 0001389044.
52 filings are listed on this profile.
Common form coverage includes 144, 4, 3/A and more.

What Changed

Latest filing: 144 filed on 14 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 filing 144

144 filed on 14 May 2026 for CIK 0001389044.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 144 can change the filing history, ownership context, or next research path for Siu Chris.

Latest source-backed update: 144 filed 14 May 2026
Why come back: Revisit after a new SEC filing appears to compare the updated record with prior filings.

Latest filing on record: 144 filed 14 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 Siu Chris

Ownership report updated

Latest ownership report period: 11 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

14 Apr 2026

Page type

Ownership filings

Latest period

11 Apr 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 14 Apr 2026.

Open ownership filings Browse recent public updates

Filer Overview

Siu Chris has filed 52 SEC EDGAR filings since 07 Feb 2007. Common forms include 144, 4, 3/A, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Siu Chris with direct links to document and filing folders.

144

144 filing

Filing date: 14 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 17 Apr 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 14 Apr 2026
Reporting date: 11 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Apr 2026
Reporting date: 01 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Mar 2026
Reporting date: 01 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 12 Jan 2026
Reporting date: 11 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Jan 2026
Reporting date: 02 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 01 Dec 2025
Reporting date: 01 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 14 Oct 2025
Reporting date: 13 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 08 Oct 2025
Reporting date: 02 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Oct 2025
Reporting date: 02 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 01 Oct 2025
Reporting date: 01 Oct 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Sep 2025
Reporting date: 02 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 11 Jul 2025
Reporting date: 11 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 03 Jul 2025
Reporting date: 02 Jul 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Jun 2025
Reporting date: 02 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 11 Apr 2025
Reporting date: 11 Apr 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Apr 2025
Reporting date: 01 Apr 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 03 Mar 2025
Reporting date: 03 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 14 Jan 2025
Reporting date: 13 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Dec 2024
Reporting date: 02 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 15 Oct 2024
Reporting date: 11 Oct 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 03 Oct 2024
Reporting date: 01 Oct 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 03 Sep 2024
Reporting date: 03 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 15 Jul 2024
Reporting date: 11 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 13 Jun 2024
Reporting date: 03 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 02 Apr 2024
Reporting date: 01 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-22893

PRIMARY DOCUMENT

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

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 07 Dec 2023
Reporting date: 06 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

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

4 File 000-22893

PRIMARY DOCUMENT

Filing date: 05 Sep 2023
Reporting date: 01 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A File 000-22893

PRIMARY DOCUMENT

Filing date: 13 Jul 2023
Reporting date: 01 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-22893

PRIMARY DOCUMENT

Filing date: 07 Jun 2023
Reporting date: 01 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

4 filing

Filing date: 02 Jun 2022
Reporting date: 31 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 03 May 2022
Reporting date: 29 Apr 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 26 Apr 2022
Reporting date: 24 Apr 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 02 Jun 2021
Reporting date: 31 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 04 May 2021
Reporting date: 30 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 27 Apr 2021
Reporting date: 24 Apr 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 12 Feb 2021
Reporting date: 10 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 05 Aug 2020
Reporting date: 03 Aug 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 01 Jun 2020
Reporting date: 31 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 28 Apr 2020
Reporting date: 24 Apr 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-50646

FORM 4

Filing date: 06 Jun 2019
Reporting date: 31 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-50646

FORM 3

Filing date: 05 Jun 2019
Reporting date: 30 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Siu Chris files with the SEC under CIK 0001389044. 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.

Siu Chris SEC EDGAR Filings

Save this filer page for the next filing cycle

Quick Takeaways

What Changed

Why This Matters

Source Evidence

Why revisit this filer page

What changed recently for Siu Chris

Filer Overview

Latest Filings

144 filing

144 filing

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144 filing

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4 filing

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 4

FORM 3

About this filer

FAQ

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