Constellation Acquisition Corp I SEC filings CSTWF

Constellation Acquisition Corp I has 229 filings in SEC EDGAR's recent list, going back to Dec 8, 2020. Its latest annual report, Form 10-K, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 17, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (new debt). The company's fiscal year ends on December 31.

Constellation Acquisition Corp I SEC filings
Form Description Filed Period
425 Form 425 Nov 5, 2026 —
425 Form 425 Nov 5, 2026 —
8-K Current report
New debt
Oct 30, 2026 Oct 29, 2026
425 Form 425 Oct 5, 2026 —
8-K Current report
New debt
Sep 29, 2026 Sep 25, 2026
425 Current report Sep 23, 2026 —
8-K Current report
Regulation FD disclosure
Sep 23, 2026 Sep 23, 2026
425 Form 425 Sep 21, 2026 —
425 Form 425 Sep 16, 2026 —
425 Form 425 Sep 15, 2026 —
425 Form 425 Sep 15, 2026 —
425 Form 425 Sep 1, 2026 —
8-K Current report
New debt
Aug 28, 2026 Aug 28, 2026
425 Form 425 Aug 24, 2026 —
10-Q Quarterly report Aug 17, 2026 Jun 30, 2026
NT 10-Q Notification of late filing Aug 17, 2026 Jun 30, 2026
425 Form 425 Aug 13, 2026 —
425 Form 425 Aug 13, 2026 —
8-K Current report
Officer or director change
Aug 7, 2026 Aug 6, 2026
425 Form 425 Jul 30, 2026 —
8-K Current report
New debt
Jul 29, 2026 Jul 29, 2026
425 Form 425 Jul 23, 2026 —
425 Current report Jul 17, 2026 —
8-K Current report
Regulation FD disclosure
Jul 17, 2026 Jul 16, 2026
425 Current report Jul 15, 2026 —
8-K Current report
Regulation FD disclosure
Jul 15, 2026 Jul 15, 2026
425 Current report Jul 10, 2026 —
8-K Current report
Regulation FD disclosure
Jul 10, 2026 Jul 9, 2026
8-K Current report
New debt
Jun 29, 2026 Jun 26, 2026
425 Form 425 Jun 22, 2026 —
425 Form 425 Jun 9, 2026 —
425 Form 425 Jun 9, 2026 —
425 Form 425 Jun 4, 2026 —
425 Form 425 Jun 4, 2026 —
8-K Current report
New debt
May 29, 2026 May 28, 2026
425 Form 425 May 26, 2026 —
10-Q Quarterly report May 15, 2026 Mar 31, 2026
425 Form 425 May 14, 2026 —
425 Form 425 Apr 30, 2026 —
8-K Current report
New debt
Apr 29, 2026 Apr 28, 2026
425 Current report Apr 23, 2026 —
8-K Current report
Regulation FD disclosure
Apr 22, 2026 Apr 22, 2026
425 Current report Apr 15, 2026 —
8-K Current report
Regulation FD disclosure
Apr 15, 2026 Apr 15, 2026
10-K Annual report Apr 15, 2026 Dec 31, 2025
425 Current report Apr 10, 2026 —
8-K Current report
Material agreement, Regulation FD disclosure
Apr 9, 2026 Apr 9, 2026
NT 10-K Notification of late filing Apr 1, 2026 Dec 31, 2025
8-K Current report
New debt
Mar 30, 2026 Mar 26, 2026
8-K Current report
Material agreement, New debt
Mar 19, 2026 Mar 18, 2026
8-K Current report
New debt
Mar 2, 2026 Feb 26, 2026
8-K Current report
New debt, Bylaw or fiscal year change, Shareholder vote results
Jan 30, 2026 Jan 27, 2026
DEF 14A Proxy statement Jan 16, 2026 Jan 27, 2026
PRE 14A Preliminary proxy statement Jan 5, 2026 Jan 5, 2026
8-K Current report
New debt
Dec 29, 2025 Dec 23, 2025
8-K Current report
Regulation FD disclosure
Dec 18, 2025 Dec 18, 2025
8-K Current report
New debt
Nov 25, 2025 Nov 25, 2025
10-Q Quarterly report Nov 13, 2025 Sep 30, 2025
8-K Current report
New debt
Oct 29, 2025 Oct 28, 2025
8-K Current report
New debt
Sep 26, 2025 Sep 26, 2025
8-K Current report
Regulation FD disclosure
Sep 9, 2025 Sep 9, 2025
8-K Current report
New debt
Aug 28, 2025 Aug 28, 2025
10-Q Quarterly report Aug 12, 2025 Jun 30, 2025
8-K Current report
New debt
Jul 28, 2025 Jul 28, 2025
8-K Current report
New debt
Jun 27, 2025 Jun 26, 2025
8-K Current report
Material agreement, New debt
Jun 5, 2025 Jun 5, 2025
8-K Current report
New debt
May 29, 2025 May 28, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) May 15, 2025 —
10-Q Quarterly report May 15, 2025 Mar 31, 2025
8-K Current report
New debt
Apr 29, 2025 Apr 29, 2025
10-K Annual report Apr 2, 2025 Dec 31, 2024
NT 10-K Notification of late filing Mar 31, 2025 Dec 31, 2024
8-K Current report
New debt
Mar 28, 2025 Mar 27, 2025
DEFA14A Additional proxy material Feb 28, 2025 —
8-K Current report
New debt
Feb 28, 2025 Feb 25, 2025
8-K Current report
New debt, Bylaw or fiscal year change, Shareholder vote results
Jan 30, 2025 Jan 27, 2025
DEF 14A Proxy statement Jan 10, 2025 Jan 27, 2025
8-K Current report
New debt
Dec 27, 2024 Dec 20, 2024
PRE 14A Preliminary proxy statement Dec 27, 2024 Dec 27, 2024
8-K Current report
New debt
Nov 29, 2024 Nov 27, 2024
10-Q Quarterly report Nov 14, 2024 Sep 30, 2024
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 12, 2024 —
SC 13G/A Amended ownership over 5% (passive) Nov 6, 2024 —
8-K Current report
New debt
Oct 29, 2024 Oct 29, 2024
8-K Current report
New debt
Sep 26, 2024 Sep 26, 2024
8-K Current report
New debt
Aug 23, 2024 Aug 23, 2024
10-Q Quarterly report Aug 14, 2024 Jun 30, 2024
8-K Current report
New debt
Jul 24, 2024 Jul 23, 2024
8-K Current report
New debt
Jun 28, 2024 Jun 28, 2024
8-K Current report
New debt
May 30, 2024 May 29, 2024
10-Q Quarterly report May 15, 2024 Mar 31, 2024
8-K Current report
New debt
Apr 29, 2024 Apr 29, 2024
10-K Annual report Mar 29, 2024 Dec 31, 2023
8-K Current report
New debt
Mar 29, 2024 Mar 28, 2024
8-K Current report
New debt
Feb 29, 2024 Feb 29, 2024
SC 13G Ownership over 5% (passive) Feb 14, 2024 —
SC 13G Ownership over 5% (passive) Feb 14, 2024 —
SC 13G Ownership over 5% (passive) Feb 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2024 —
SC 13G Ownership over 5% (passive) Feb 14, 2024 —
SC 13G Ownership over 5% (passive) Feb 13, 2024 —
SC 13G Ownership over 5% (passive) Feb 9, 2024 —
SC 13G Ownership over 5% (passive) Feb 8, 2024 —
SC 13G/A Amended ownership over 5% (passive) Feb 7, 2024 —
SC 13G Ownership over 5% (passive) Feb 5, 2024 —
DEFA14A Additional proxy material Feb 2, 2024 —
8-K Current report
New debt, Bylaw or fiscal year change, Shareholder vote results, Other events
Feb 2, 2024 Jan 29, 2024
4 Insider transaction Feb 1, 2024 Jan 30, 2024
SC 13D/A Amended ownership over 5% (active) Feb 1, 2024 —
SC 13G Ownership over 5% (passive) Jan 26, 2024 —
DEFA14A Additional proxy material Jan 25, 2024 —
8-K Current report
Shareholder vote results, Other events
Jan 25, 2024 Jan 25, 2024
DEFA14A Additional proxy material Jan 24, 2024 —
8-K Current report
Other events
Jan 24, 2024 Jan 24, 2024
DEFA14A Additional proxy material Jan 23, 2024 —
8-K Current report
Shareholder vote results, Other events
Jan 23, 2024 Jan 23, 2024
DEFA14A Additional proxy material Jan 22, 2024 —
8-K Current report
Other events
Jan 22, 2024 Jan 19, 2024
DEFA14A Additional proxy material Jan 16, 2024 —
8-K Current report
Other events
Jan 16, 2024 Jan 16, 2024
DEF 14A Proxy statement Jan 10, 2024 Jan 23, 2024
25 Form 25 Jan 2, 2024 —
8-K Current report
New debt
Dec 29, 2023 Dec 28, 2023
PRE 14A Preliminary proxy statement Dec 27, 2023 Dec 27, 2023
8-K Current report
Listing notice
Dec 21, 2023 Dec 20, 2023
8-K Current report
New debt
Nov 29, 2023 Nov 28, 2023
10-Q Quarterly report Nov 14, 2023 Sep 30, 2023
8-K Current report
New debt
Oct 27, 2023 Oct 26, 2023
4 Insider transaction Oct 10, 2023 Oct 6, 2023
8-K Current report
New debt
Sep 29, 2023 Sep 29, 2023
8-K Current report
New debt
Aug 29, 2023 Aug 29, 2023
10-Q Quarterly report Aug 15, 2023 Jun 30, 2023
NT 10-Q Notification of late filing Aug 15, 2023 Jun 30, 2023
8-K Current report
New debt
Jul 28, 2023 Jul 28, 2023
8-K Current report
New debt
Jun 29, 2023 Jun 29, 2023
8-K Current report
New debt
May 26, 2023 May 26, 2023
10-Q Quarterly report May 15, 2023 Mar 31, 2023
SC 13G/A Amended ownership over 5% (passive) May 10, 2023 —
8-K Current report
New debt
Apr 28, 2023 Apr 24, 2023
10-K Annual report Mar 31, 2023 Dec 31, 2022
SC 13G/A Amended ownership over 5% (passive) Mar 10, 2023 —
3 Initial insider ownership Mar 3, 2023 Feb 28, 2023
3 Initial insider ownership Mar 3, 2023 Feb 28, 2023
3 Initial insider ownership Mar 3, 2023 Feb 28, 2023
8-K Current report
Officer or director change
Feb 28, 2023 Feb 28, 2023
SC 13G Ownership over 5% (passive) Feb 14, 2023 —
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2023 —
SC 13D Ownership over 5% (active) Feb 9, 2023 —
3 Initial insider ownership Feb 8, 2023 Feb 1, 2023
3 Initial insider ownership Feb 6, 2023 Jan 30, 2023
3 Initial insider ownership Feb 6, 2023 Jan 30, 2023
3 Initial insider ownership Feb 6, 2023 Jan 30, 2023
3 Initial insider ownership Feb 6, 2023 Jan 30, 2023
3 Initial insider ownership Feb 6, 2023 Jan 30, 2023
3 Initial insider ownership Feb 6, 2023 Feb 1, 2023
8-K Current report
Material agreement, New debt, Officer or director change, Bylaw or fiscal year change, Shareholder vote results
Feb 1, 2023 Jan 26, 2023
4 Insider transaction Jan 30, 2023 Jan 26, 2023
4 Insider transaction Jan 30, 2023 Jan 26, 2023
4 Insider transaction Jan 30, 2023 Jan 26, 2023
4 Insider transaction Jan 30, 2023 Jan 26, 2023
DEFA14A Additional proxy material Jan 26, 2023 —
8-K Current report
Other events
Jan 26, 2023 Jan 25, 2023
DEFA14A Additional proxy material Jan 24, 2023 —
8-K Current report
Other events
Jan 24, 2023 Jan 20, 2023
DEFA14A Additional proxy material Jan 23, 2023 —
8-K Current report
Other events
Jan 23, 2023 Jan 20, 2023
8-K Current report
New debt
Jan 19, 2023 Jan 18, 2023
DEF 14A Proxy statement Dec 30, 2022 Jan 24, 2023
PRE 14A Preliminary proxy statement Dec 16, 2022 Dec 16, 2022
10-Q Quarterly report Nov 10, 2022 Sep 30, 2022
8-K Current report
New debt
Aug 26, 2022 Aug 23, 2022
10-Q Quarterly report Aug 12, 2022 Jun 30, 2022
8-K Current report
New debt
Jul 22, 2022 Jul 21, 2022
8-K Current report
New debt
Jul 22, 2022 Jul 21, 2022
8-K Current report
New debt
Jun 30, 2022 Jun 23, 2022
8-K Current report
New debt
May 31, 2022 May 25, 2022
8-K Current report
New debt
May 19, 2022 May 17, 2022
10-Q Quarterly report May 13, 2022 Mar 31, 2022
8-K Current report
New debt
May 9, 2022 Apr 26, 2022
10-K Annual report Mar 18, 2022 Dec 31, 2021
SC 13G/A Amended ownership over 5% (passive) Feb 14, 2022 —
SC 13G Ownership over 5% (passive) Feb 11, 2022 —
SC 13G/A Amended ownership over 5% (passive) Feb 10, 2022 —
SC 13G/A Amended ownership over 5% (passive) Feb 1, 2022 —
8-K/A Amended current report Jan 19, 2022 Dec 27, 2021
8-K/A Amended current report Dec 27, 2021 Dec 27, 2021
10-Q/A Amended quarterly report Dec 21, 2021 Sep 30, 2021
8-K Current report
Restatement
Dec 6, 2021 Dec 6, 2021
10-Q Quarterly report Nov 12, 2021 Sep 30, 2021
10-Q Quarterly report Aug 11, 2021 Jun 30, 2021
8-K Current report
Listing notice
May 28, 2021 May 28, 2021
10-Q Quarterly report May 27, 2021 Mar 31, 2021
NT 10-Q Form nt 10-q May 17, 2021 Mar 31, 2021
8-K Current report
New debt
May 5, 2021 May 5, 2021
SC 13G Ownership over 5% (passive) Mar 29, 2021 —
8-K Current report
Other events
Mar 18, 2021 Mar 18, 2021

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Blank Checks (SIC 6770)
Listed as
CSTAF (OTC), CSTUF (OTC), CSTWF (OTC)
Fiscal year ends
December 31
Incorporated in
Cayman Islands
Headquarters
New York, NY
SEC filer status
, Emerging growth company
SEC CIK
1834032

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.