{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-23-006756","form_type":"8-K","ticker":"CSTAF","cik":"0001834032","company_name":"Constellation Acquisition Corp I","filed_at":"2023-02-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.941621+00:00","generated_at":"2026-06-20T04:07:33.579485+00:00","sec_items":["1.01","2.03","5.02","5.03","5.07","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Constellation Acquisition Corp I extends deadline to Jan 2024, new sponsor and management team appointed","bullets":["Shareholders approved extension of business combination deadline from Jan 29, 2023 to April 29, 2023, with up to nine monthly extensions to Jan 2024.","Over 26.5 million shares redeemed at ~$10.167 per share, totaling ~$269.5 million.","Sponsor transferred to affiliates of Antarctica Capital; new CEO Chandra Patel, President Richard Davis, CFO Jarett Goldman, CTO Graeme Shaw appointed.","Investment Agreement with Endurance Constellation provides up to $3M loan; initial $450K deposited into trust.","Former directors Klaus Kleinfeld, Hugo Banziger, Vesna Nevistic, Martin Weckwerth, Charles Stonehill resigned."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-23-006756","json":"https://secwatch.observer/filing/0001213900-23-006756.json","markdown":"https://secwatch.observer/filing/0001213900-23-006756.md","text":"https://secwatch.observer/filing/0001213900-23-006756.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/0001213900-23-006756-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/ea172440-8k_constell1.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T04:07:33.579485+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"5b3550f3da","claim":"Jarett Goldman was appointed as Chief Financial Officer at Constellation Acquisition Corp I.","evidence_excerpt":"Jarett Goldman was appointed Chief Financial Officer","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/0001213900-23-006756-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"5c696f398f","claim":"Klaus Kleinfeld resigned as other_named_officer at Constellation Acquisition Corp I.","evidence_excerpt":"Additionally, Klaus Kleinfeld and Thomas Stapp resigned as officers of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/0001213900-23-006756-index.htm","confidence":0.9,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"}],"fact_type":"executive_change"},{"claim_id":"6a7f365052","claim":"Martin Weckwerth resigned as Director at Constellation Acquisition Corp I.","evidence_excerpt":"On January 30, 2023, Klaus Kleinfeld, Hugo Banziger, Vesna Nevistic, Martin Weckwerth and Charles Stonehill tendered their resignations as directors of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/0001213900-23-006756-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"72c1e7c16c","claim":"Hugo Banziger resigned as Director at Constellation Acquisition Corp I.","evidence_excerpt":"On January 30, 2023, Klaus Kleinfeld, Hugo Banziger, Vesna Nevistic, Martin Weckwerth and Charles Stonehill tendered their resignations as directors of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/0001213900-23-006756-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"827c740932","claim":"Chandra R. 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Patel was appointed as Chief Executive Officer at Constellation Acquisition Corp I.","evidence_excerpt":"Also on January 30, 2023, Chandra R. 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On January 27, 2023, the Company held the Extension Meeting to amend the Company’s amended and restated memorandum and articles of association (the “ Articles Amendment ”) to extend the date (the “ Termination Date ”) by which the Company has to consummate a business combination from January 29, 2023 (the “ Original Termination Date ”) to April 29, 2023 (the “ Articles Extension Date ”) and to allow the Company, without another shareholder vote, to elect to extend the Termination Date to consummate a business combination on a monthly basis for up to nine times by an additional one month each time after the Articles Extension Date, by resolution of the Company’s board of directors if requested by the Sponsor, and upon five days’ advance notice prior to the applicable Termination Date, until January 29, 2024, or a total of up to twelve months after the Original Termination Date, unless the closing of the","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/0001213900-23-006756-index.htm","confidence":0.95,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2023-01-31"}],"fact_type":"governance_change"},{"claim_id":"1869db68ea26ad81dba45448f6efb72cce1c1f75","claim":"Constellation Acquisition Corp I amended Letter Agreement Amendment with the Sponsor, certain officers and directors of the Company, and other parties (the “Insiders”) (effective 2023-01-30).","evidence_excerpt":"On January 30, 2023, the Company, the Sponsor, certain officers and directors of the Company, and other parties thereto (the “Insiders,” and together with the Sponsor, the “Letter Agreement Parties”) entered into an amendment to the Letter Agreement , dated January 26, 2021 (the “ Letter Agreement ”), to allow the Sponsor to transfer its holdings in the Company, directly or indirectly, to affiliate(s) of Antarctica Capital Partners, LLC prior to the expiration of the applicable lock-up (the “ Letter Agreement Amendment ”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/0001213900-23-006756-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Counterparty","value":"the Sponsor, certain officers and directors of the Company, and other parties (the “Insiders”)"},{"label":"Effective","value":"2023-01-30"}],"fact_type":"material_agreement"},{"claim_id":"24ac7ff5a0bfcc69597909ee2a0edaac2e9a1303","claim":"Constellation Acquisition Corp I entered into Investment Agreement with Constellation Sponsor GmbH & Co. KG and Endurance Constellation, LLC valued at $3,000,000 (effective 2023-01-26).","evidence_excerpt":"On January 26, 2023, Constellation Acquisition Corp I, a Cayman Island exempted company (the “ Company ”), entered into an Investment Agreement (the “ Investment Agreement ”) with Constellation Sponsor GmbH & Co. KG, a German limited partnership (the “ Sponsor ”), and Endurance Constellation, LLC , a Delaware limited liability company (the “ Investor ”), pursuant to which the Investor agreed to contribute to the Sponsor an aggregate amount in cash equal up to $3,000,000 (the “ Investment Contribution ”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1834032/000121390023006756/0001213900-23-006756-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"equity purchase"},{"label":"Counterparty","value":"Constellation Sponsor GmbH & Co. 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Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}