{"filing":{"accession_number":"0001829126-26-011353","cik":"0002047455","ticker":"QSEAU","company_name":"Quartzsea Acquisition Corp","form":"8-K","filing_date":"2026-10-20","report_date":"2026-10-20","primary_document":"quartzsea_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/2047455/000182912626011353/quartzsea_8k.htm"},"events":[{"id":36463,"run_id":33621,"accession_number":"0001829126-26-011353","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"summary":"Quartzsea Acquisition Corporation disclosed a $100,000 deposit into its trust account to extend the business combination deadline by one month (from October 19 to November 19, 2026). This is a material event for a SPAC because it directly affects the timeline for completing the initial business combination and the risk of liquidation; however, it does not fit neatly into the standard taxonomy categories. While it has financial and operational dimensions, the core disclosure is a procedural extension tied to SPAC mechanics rather than a traditional M\u0026A activity, capital raise, or operational milestone.","company_name":"Quartzsea Acquisition Corp","ticker":"QSEAU","filing_date":"2026-10-20","form":"8-K","submitted_at":null,"items":[{"id":40881,"accession_number":"0001829126-26-011353","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"Quartzsea Acquisition Corporation disclosed a $100,000 deposit into its trust account to extend the business combination deadline by one month (from October 19 to November 19, 2026). This is a material event for a SPAC because it directly affects the timeline for completing the initial business combination and the risk of liquidation; however, it does not fit neatly into the standard taxonomy categories. While it has financial and operational dimensions, the core disclosure is a procedural extension tied to SPAC mechanics rather than a traditional M\u0026A activity, capital raise, or operational milestone.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-20T20:51:37.222326+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":40881,"accession_number":"0001829126-26-011353","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.72,"reasoning":"Quartzsea Acquisition Corporation disclosed a $100,000 deposit into its trust account to extend the business combination deadline by one month (from October 19 to November 19, 2026). This is a material event for a SPAC because it directly affects the timeline for completing the initial business combination and the risk of liquidation; however, it does not fit neatly into the standard taxonomy categories. While it has financial and operational dimensions, the core disclosure is a procedural extension tied to SPAC mechanics rather than a traditional M\u0026A activity, capital raise, or operational milestone.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-20T20:51:37.222326+00:00","company_name":"Quartzsea Acquisition Corp","ticker":"QSEAU","filing_date":"2026-10-20"}]}