{"filing":{"accession_number":"0001628280-26-040616","cik":"0001843724","ticker":"LNZAW","company_name":"LanzaTech Global, Inc.","form":"8-K","filing_date":"2026-06-04","report_date":null,"primary_document":"amci-20260603.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1843724/000162828026040616/amci-20260603.htm"},"events":[{"id":6947,"run_id":6091,"accession_number":"0001628280-26-040616","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"summary":"LanzaTech disclosed that its joint venture Shougang LanzaTech completed an IPO on the Hong Kong Stock Exchange on June 3, 2026, raising approximately US$75 million gross proceeds with an implied market capitalization of US$750 million. While the Company did not sell shares or receive proceeds, its ownership stake was diluted from 9.31% to 8.38%, and the Company is evaluating potential accounting impacts on the carrying value of its investment under U.S. GAAP. This represents a material event affecting the Company's significant equity investment, though it does not fit neatly into the more specific categories (not an M\u0026A activity initiated by the Company, not a restatement, not a going-concern issue).","company_name":"LanzaTech Global, Inc.","ticker":"LNZAW","filing_date":"2026-06-04","form":"8-K","submitted_at":null,"items":[{"id":4497,"accession_number":"0001628280-26-040616","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"LanzaTech disclosed that its joint venture Shougang LanzaTech completed an IPO on the Hong Kong Stock Exchange on June 3, 2026, raising approximately US$75 million gross proceeds with an implied market capitalization of US$750 million. While the Company did not sell shares or receive proceeds, its ownership stake was diluted from 9.31% to 8.38%, and the Company is evaluating potential accounting impacts on the carrying value of its investment under U.S. GAAP. This represents a material event affecting the Company's significant equity investment, though it does not fit neatly into the more specific categories (not an M\u0026A activity initiated by the Company, not a restatement, not a going-concern issue).","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-05T05:23:27.066144+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":4497,"accession_number":"0001628280-26-040616","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"LanzaTech disclosed that its joint venture Shougang LanzaTech completed an IPO on the Hong Kong Stock Exchange on June 3, 2026, raising approximately US$75 million gross proceeds with an implied market capitalization of US$750 million. While the Company did not sell shares or receive proceeds, its ownership stake was diluted from 9.31% to 8.38%, and the Company is evaluating potential accounting impacts on the carrying value of its investment under U.S. GAAP. This represents a material event affecting the Company's significant equity investment, though it does not fit neatly into the more specific categories (not an M\u0026A activity initiated by the Company, not a restatement, not a going-concern issue).","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-05T05:23:27.066144+00:00","company_name":"LanzaTech Global, Inc.","ticker":"LNZAW","filing_date":"2026-06-04"}]}