{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-292657","form_type":"8-K","ticker":"GATX","cik":"0000040211","company_name":"GATX CORP","filed_at":"2026-07-01T20:30:27+00:00","discovered_at":"2026-07-01T20:32:19.409355+00:00","generated_at":"2026-07-01T20:32:49.532482+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"GATX exercises first call option, increases JV stake to 33.535% from 30%","bullets":["GATX exercised first call option to acquire interest in Blocker, indirectly raising its stake in GABX Leasing LLC to ~33.535%.","Amended Blocker LLC agreement grants GATX joint approval rights over fundamental actions (amendments, equity, debt, capital calls, major transactions).","Brookfield remains Managing Member unless GATX acquires 100% of Blocker units via remaining call options.","Call Option Agreement provides up to 25 call options for GATX to eventually own 100% of the JV."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-292657","json":"https://secwatch.observer/filing/0001193125-26-292657.json","markdown":"https://secwatch.observer/filing/0001193125-26-292657.md","text":"https://secwatch.observer/filing/0001193125-26-292657.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/40211/000119312526292657/0001193125-26-292657-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/40211/000119312526292657/d147032d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-01T20:32:49.532482+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}