CDT Environmental Technology Investment Holdings Ltd SEC EDGAR Filings (CIK 0001793895)

SEC EDGAR filings, ownership reports, and insider transactions for CDT Environmental Technology Investment Holdings Ltd.

Symbol
CDTG on Nasdaq
Industry
Sanitary Services (Office Of Energy & Transportation)
Business address
C1, 4 Th Floor, Building 1,, Financial Base, No.8 Kefa Road, Nanshan District, China, 518057
State of incorporation
Cayman Islands
Fiscal year end
31 December
Former names
CDT Enviromental Technology Investment Holdings Ltd (to 15 Nov 2019)
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CDT Environmental Technology Investment Holdings Ltd has filed 81 SEC EDGAR filings since 15 Nov 2019

Latest Filings

Recent SEC filings for CDT Environmental Technology Investment Holdings Ltd including EFFECT, F-1, DRS and more.

Form type Document Filing Description Filing date Reporting date File number(s)
EFFECT Open EFFECT document View SEC filing for EFFECT 10 Mar 2026 333-293986
F-1 Open F-1 document | Open XBRL data View SEC filing for F-1 FORM F-1 04 Mar 2026 333-293986
DRS Open DRS document View SEC filing for DRS 13 Feb 2026 377-09066
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 05 Jan 2026 05 Jan 2026 001-42007
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 Dec 2025 23 Dec 2025 001-42007
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 28 Nov 2025 28 Nov 2025 001-42007
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 13 Nov 2025 13 Nov 2025 001-42007
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 29 Sep 2025 26 Sep 2025 001-42007
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Sep 2025 001-42007
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Sep 2025
20-F/A Open 20-F/A document | Open XBRL data View SEC filing for 20-F/A FORM 20-F/A 09 Sep 2025 31 Dec 2024 001-42007
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 09 Sep 2025 09 Sep 2025 001-42007
CORRESP Open CORRESP document View SEC filing for CORRESP 26 Aug 2025
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Aug 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 30 Jul 2025 001-42007
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 15 May 2025 15 May 2025 001-42007
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 15 May 2025 31 Dec 2024 001-42007
NT 20-F Open NT 20-F document View SEC filing for NT 20-F NT 20-F 01 May 2025 31 Dec 2024 001-42007
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 14 Feb 2025 333-284946
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 27 Dec 2024 27 Dec 2024 001-42007
SC 13G Open SC 13G document View SEC filing for SC 13G FORM SC 13G 14 Nov 2024 005-94739
SC 13G Open SC 13G document View SEC filing for SC 13G FORM SC 13G 14 Nov 2024 005-94739
SC 13G Open SC 13G document View SEC filing for SC 13G FORM SC 13G 14 Nov 2024 005-94739
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 20 May 2024 20 May 2024 001-42007
20-F Open 20-F document | Open XBRL data View SEC filing for 20-F FORM 20-F 15 May 2024 31 Dec 2023 001-42007
NT 20-F Open NT 20-F document View SEC filing for NT 20-F FORM NT 20-F 26 Apr 2024 31 Dec 2023 001-42007
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 26 Apr 2024 26 Apr 2024 001-42007
6-K Open 6-K document View SEC filing for 6-K FORM 6-K 23 Apr 2024 23 Apr 2024 001-42007
424B4 Open 424B4 document View SEC filing for 424B4 FORM 424B4 18 Apr 2024 333-252127
CERT Open CERT document View SEC filing for CERT 18 Apr 2024 001-42007
8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A12B 05 Apr 2024 001-42007
EFFECT Open EFFECT document View SEC filing for EFFECT 29 Mar 2024 333-252127
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Mar 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Mar 2024
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A16 22 Mar 2024 333-252127
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A15 08 Feb 2024 333-252127
CORRESP Open CORRESP document View SEC filing for CORRESP 26 Jan 2024
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A14 26 Jan 2024 333-252127
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Jan 2024 377-02912
FWP Open FWP document View SEC filing for FWP FORM FWP 24 Jan 2024 333-252127
CORRESP Open CORRESP document View SEC filing for CORRESP 11 Jan 2024
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A13 11 Jan 2024 333-252127
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Jan 2024 377-02912
CORRESP Open CORRESP document View SEC filing for CORRESP 20 Dec 2023
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A12 20 Dec 2023 333-252127
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A11 20 Nov 2023 333-252127
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A10 29 Mar 2023 333-252127
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A9 27 Mar 2023 333-252127
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Mar 2023
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Mar 2023 377-02912
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Feb 2023
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A8 24 Feb 2023 333-252127
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Jan 2023 377-02912
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Dec 2022
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A7 23 Dec 2022 333-252127
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 11 Apr 2022 377-02912
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Mar 2022
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A 25 Mar 2022 333-252127
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 17 Mar 2022 377-02912
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Mar 2022
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A5 01 Mar 2022 333-252127
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 15 Feb 2022 377-02912
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A4 19 Jan 2022 333-252127
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Oct 2021 377-02912
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Sep 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Sep 2021
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A3 24 Sep 2021 333-252127
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Sep 2021 377-02912
CORRESP Open CORRESP document View SEC filing for CORRESP 26 Aug 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 29 Jul 2021 377-02912
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A 25 Jun 2021 333-252127
F-1/A Open F-1/A document View SEC filing for F-1/A FORM F-1/A 12 Feb 2021 333-252127
F-1 Open F-1 document View SEC filing for F-1 FORM F-1 15 Jan 2021 333-252127
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Nov 2020
DRS/A Open DRS/A document View SEC filing for DRS/A 27 Nov 2020 377-02912
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 20 Oct 2020
DRS/A Open DRS/A document View SEC filing for DRS/A 23 Sep 2020 377-02912
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Jan 2020
DRS/A Open DRS/A document View SEC filing for DRS/A 13 Jan 2020 377-02912
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 Dec 2019
DRS Open DRS document View SEC filing for DRS 15 Nov 2019 377-02912

About this filer

CDT Environmental Technology Investment Holdings Ltd files with the SEC under CIK 0001793895. This page aggregates EDGAR filings and related ownership activity.

Industry: Sanitary Services.

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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