{"filing":{"accession_number":"0001213900-26-059046","cik":"0002051587","ticker":null,"company_name":"BEST SPAC I Acquisition Corp.","form":"8-K","filing_date":"2026-05-19","report_date":null,"primary_document":"ea0291549-8k_bestspac1.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/2051587/000121390026059046/ea0291549-8k_bestspac1.htm"},"classifications":[{"id":236,"accession_number":"0001213900-26-059046","item_number":"5.03","item_title":"Amendments to Articles of Incorporation","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.65,"reasoning":"This disclosure reports a shareholder-approved amendment to the Company's charter extending the business combination deadline by 12 months (from June 16, 2026 to June 16, 2027). While Item 5.03 covers charter amendments, this is a SPAC extension event that materially affects the registrant's timeline and obligations. The event is material to investors assessing the SPAC's ability to complete a business combination, but does not fit neatly into the specific taxonomy categories (it is neither a routine bylaw amendment nor a traditional M\u0026A activity, going-concern issue, or executive change).","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-20T02:39:13.302201+00:00","company_name":"BEST SPAC I Acquisition Corp.","ticker":null,"filing_date":"2026-05-19"},{"id":237,"accession_number":"0001213900-26-059046","item_number":"5.07","item_title":"Submission of Matters to a Vote","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"This Item 5.07 discloses the results of an Extraordinary General Meeting (EGM) held on April 10, 2026, where shareholders voted on a Charter Amendment Proposal. The filing reports voting tallies (3,308,619 FOR, 2,861,341 AGAINST, 0 ABSTAIN) and notes that 5,333,287 ordinary shares were tendered for redemption in connection with the vote. This is a classic shareholder vote results disclosure, material to investors as it reflects shareholder approval of corporate governance changes and capital structure adjustments at a SPAC.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-20T02:39:13.302201+00:00","company_name":"BEST SPAC I Acquisition Corp.","ticker":null,"filing_date":"2026-05-19"},{"id":238,"accession_number":"0001213900-26-059046","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"The Sponsor entered into an assignment of economic interest agreement with a third party to secure votes for a Charter Amendment Proposal in exchange for transferring 50,000 Class B shares post-business combination. This represents a material arrangement affecting share ownership, voting control, and governance of the SPAC, but does not fit neatly into the standard taxonomy categories (not an appointment, departure, M\u0026A completion, or other defined event type). The transaction involves material consideration and governance implications warranting disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-20T02:39:13.302201+00:00","company_name":"BEST SPAC I Acquisition Corp.","ticker":null,"filing_date":"2026-05-19"}]}