{"schema_version":"secwatch.filing_event.v1","accession":"0001213900-25-124545","form_type":"8-K","ticker":null,"cik":"0001898474","company_name":"Signing Day Sports, Inc.","filed_at":"2025-12-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.015607+00:00","generated_at":"2026-05-16T12:27:48.029754+00:00","sec_items":["1.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Signing Day Sports amends business combination agreement with One Blockchain, extends outside date","bullets":["Outside date for closing extended from Dec 31, 2025 to Feb 17, 2026.","If SEC declares S-4 effective by Feb 17, 2026, outside date further extends to Apr 30, 2026.","Provision requiring issuance of super voting preferred shares upon One Blockchain's request removed.","Agreement originally dated May 27, 2025, previously amended Nov 10, 2025; latest amendment Dec 21, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001213900-25-124545","json":"https://secwatch.observer/filing/0001213900-25-124545.json","markdown":"https://secwatch.observer/filing/0001213900-25-124545.md","text":"https://secwatch.observer/filing/0001213900-25-124545.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1898474/000121390025124545/0001213900-25-124545-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1898474/000121390025124545/ea0270524-8k425_signing.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:27:48.029754+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":"5599a23f5e2b7033663475a09f84ce2e8f006497","claim":"Signing Day Sports, Inc. amended Amendment No. 2 to the Business Combination Agreement with One Blockchain LLC valued at Amended Business Combination Agreement among Signing Day Sports, BlockchAIn Digital Infrastructure, (effective 2025-12-21).","evidence_excerpt":"On December 21, 2025, Signing Day Sports, Inc., a Delaware corporation (the “Company” or “Signing Day Sports”), entered into the Amendment No. 2 to the Business Combination Agreement (the “Amendment”) with One Blockchain LLC, a Delaware limited liability company (“One Blockchain”), BlockchAIn Digital Infrastructure, Inc., a Delaware corporation (“BlockchAIn”), BCDI Merger Sub I Inc., a Delaware corporation and a wholly owned subsidiary of BlockchAIn (“Merger Sub I”), and BCDI Merger Sub II LLC, a Delaware limited liability company and a wholly owned subsidiary of BlockchAIn (“Merger Sub II”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1898474/000121390025124545/0001213900-25-124545-index.htm","confidence":0.95,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"asset purchase"},{"label":"Counterparty","value":"One Blockchain LLC"},{"label":"Value","value":"Amended Business Combination Agreement among Signing Day Sports, BlockchAIn Digital Infrastructure,"},{"label":"Effective","value":"2025-12-21"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}