Tzu Yin Chiu SEC EDGAR Filings (CIK 0001738290)

SEC EDGAR filings, ownership reports, and insider transactions for Tzu Yin Chiu.

Business address
108 Cherry Hill Drive, Beverly, MA, 01915
Top holdings (ownership)
ACLS
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Tzu Yin Chiu has filed 15 SEC EDGAR filings since 16 May 2018

Latest Filings

Recent SEC filings for Tzu Yin Chiu including 4, 4/A, 144 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 15 May 2025 15 May 2025 000-30941
4/A Open 4/A document View SEC filing for 4/A 16 May 2024 15 May 2024 000-30941
4 Open 4 document View SEC filing for 4 15 May 2024 15 May 2024 000-30941
144 Open 144 document View SEC filing for 144 16 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 May 2023 16 May 2023 000-30941
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 May 2023 15 May 2023 000-30941
144 Open 144 document View SEC filing for 144 09 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 May 2023 09 May 2023 000-30941
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Feb 2023 14 Feb 2023 000-30941
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 May 2022 16 May 2022 000-30941
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 May 2021 17 May 2021 000-30941
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 May 2020 15 May 2020 000-30941
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 May 2019 15 May 2019 000-30941
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 May 2018 16 May 2018 000-30941
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 May 2018 16 May 2018 000-30941

About this filer

Tzu Yin Chiu files with the SEC under CIK 0001738290. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

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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