Zentrum Holdings, Inc. SEC EDGAR Filings (CIK 0001818152)

SEC EDGAR filings, ownership reports, and insider transactions for Zentrum Holdings, Inc..

Industry
Communications Services, Nec (Office Of Technology)
Business address
4 30 4 F, Yotsuya, Shinjuku Ku, Japan, Japan, 160-0004
State of incorporation
DE
Fiscal year end
31 December
Former names
OFF Line International, Inc. (to 18 May 2021)
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Zentrum Holdings, Inc. has filed 34 SEC EDGAR filings since 07 Aug 2020

Latest Filings

Recent SEC filings for Zentrum Holdings, Inc. including 10-K/A, 10-K, 8-K/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 11 Jun 2025 31 Dec 2024 000-56221
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 12 May 2025 31 Dec 2024 000-56221
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 27 Nov 2024 13 Nov 2024 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 21 Nov 2024 30 Sep 2024 000-56221
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Aug 2024 26 Aug 2024 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 24 Jul 2024 30 Jun 2024 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2024 31 Mar 2024 000-56221
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 22 Mar 2024 31 Dec 2023 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 26 Oct 2023 30 Sep 2023 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 25 Jul 2023 30 Jun 2023 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2023 31 Mar 2023 000-56221
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 17 Mar 2023 31 Dec 2022 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Nov 2022 30 Sep 2022 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Aug 2022 30 Jun 2022 000-56221
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 25 May 2022 24 May 2022 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 May 2022 31 Mar 2022 000-56221
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2022 31 Dec 2021 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 26 Oct 2021 30 Sep 2021 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 Aug 2021 30 Jun 2021 000-56221
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 13 Aug 2021 30 Jun 2020 000-56221
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 21 Jun 2021 16 Jun 2021 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 18 May 2021 31 Mar 2021 000-56221
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 17 May 2021 31 Mar 2021 000-56221
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 02 Apr 2021 31 Dec 2020 000-56221
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NT 10-K 31 Mar 2021 31 Dec 2020 000-56221
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 12 Nov 2020 30 Sep 2020 000-56221
8-A12G Open 8-A12G document View SEC filing for 8-A12G FORM 8-A12G 03 Nov 2020 000-56221
EFFECT Open EFFECT document View SEC filing for EFFECT 29 Oct 2020 333-242143
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Oct 2020
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 22 Oct 2020 333-242143
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Oct 2020
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 09 Oct 2020 333-242143
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 04 Sep 2020
S-1 Open S-1 document View SEC filing for S-1 S-1 07 Aug 2020 333-242143

About this filer

Zentrum Holdings, Inc. files with the SEC under CIK 0001818152. This page aggregates EDGAR filings and related ownership activity.

Industry: Communications Services, 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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