{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-029809","form_type":"8-K","ticker":"LNZA","cik":"0001843724","company_name":"LanzaTech Global, Inc.","filed_at":"2025-06-06T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.100783+00:00","generated_at":"2026-05-19T18:35:53.858891+00:00","sec_items":["1.01","5.02"],"event_type":"debt","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"LanzaTech extends BGTF loan to Dec 2029 (8%/12% interest); appoints CAO","bullets":["Loan maturity extended from Oct 2027 to Dec 2029; interest accrues at 8% through Dec 2028 then 12% through Dec 2029.","BGTF consented to amend Loan and Framework Agreements; execution expected by June 23, 2025.","Michael Heraty appointed Chief Accounting Officer, succeeding Sushmita Koyanagi who became CFO.","Heraty previously VP Internal Audit & SOX at LanzaTech since July 2023; CPA, MBA from UChicago."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-029809","json":"https://secwatch.observer/filing/0001628280-25-029809.json","markdown":"https://secwatch.observer/filing/0001628280-25-029809.md","text":"https://secwatch.observer/filing/0001628280-25-029809.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1843724/000162828025029809/0001628280-25-029809-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1843724/000162828025029809/amci-20250602.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T18:35:53.858891+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":"1f70a9ef04","claim":"Sushmita Koyanagi changed role as Chief Financial Officer at LanzaTech Global, Inc..","evidence_excerpt":"on June 2, 2025, the Board of Directors of the Company appointed Michael Heraty, Vice President – Internal Audit & SOX Compliance to serve as Chief Accounting Officer of the Company following Sushmita Koyanagi’s promotion to Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1843724/000162828025029809/0001628280-25-029809-index.htm","confidence":0.9,"family_label":"Executive change","details":[{"label":"Action","value":"promoted"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"faedc32892","claim":"Michael Heraty was appointed as Chief Accounting Officer at LanzaTech Global, Inc..","evidence_excerpt":"on June 2, 2025, the Board of Directors of the Company appointed Michael Heraty, Vice President – Internal Audit & SOX Compliance to serve as Chief Accounting Officer of the Company following Sushmita Koyanagi’s promotion to Chief Financial Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1843724/000162828025029809/0001628280-25-029809-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}