UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM
CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934
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Item 1.01 Entry into a Material Definitive Agreement.
On January 29, 2024, Constellation Acquisition Corp I, a Cayman Islands exempted company (the “Company”), issued an unsecured promissory note (the “Promissory Note”) in the principal amount of $1,660,000 to Constellation Sponsor LP, a Delaware limited partnership, bearing no interest and maturing once the Company closes its initial business combination. On June 5, 2025, the Company amended the promissory note, to increase the principal amount by $590,000 from $1,660,000 to $2,250,000. On March 18, 2026, the Company further amended the Promissory Note (the “Second Amendment”), to increase the principal amount by $3,000,000 from $2,250,000 to $5,250,000. Unless otherwise set forth in the Second Amendment, all other provisions of the Promissory Note remain in full force and effect.
The foregoing description of the Second Amendment is qualified in its entirety by reference to the full text of the Second Amendment, which is incorporated by reference herein and filed herewith as Exhibit 10.1.
Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.
The disclosure contained in Item 1.01 of this Current Report on Form 8-K is incorporated by reference in this Item 2.03.
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Item 9.01. Exhibits.
(d) Exhibits
| Exhibit No. | Exhibit | |
| 10.1 | Second Amendment to the Promissory Note, dated March 18, 2026, between Constellation Acquisition Corp I and Constellation Sponsor LP. | |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). |
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| CONSTELLATION ACQUISITION CORP I | ||
| Dated: March 19, 2026 | By: | /s/ Chandra R. Patel |
| Chandra R. Patel | ||
| Chief Executive Officer | ||
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