Constellation Acquisition Corp I SEC filings CSTUF
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.
| 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.
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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.