{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-009819","form_type":"8-K","ticker":"CABA","cik":"0001759138","company_name":"Cabaletta Bio, Inc.","filed_at":"2026-01-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.095460+00:00","generated_at":"2026-05-16T10:54:47.969094+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Cabaletta announces 2026 priorities: myositis trial enrolling, BLA 2027, Cellares IND cleared","bullets":["Myositis registrational cohort actively enrolling; BLA submission for rese-cel projected in 2027.","FDA aligned on registrational cohort designs in SLE and LN, each ~25 patients with unique endpoints.","FDA granted RMAT designation for rese-cel in systemic sclerosis; registrational alignment expected 1H26.","IND amendment cleared for Cellares automated manufacturing; clinical manufacturing data due 1H26.","No-preconditioning dose-escalation in PV ongoing; Phase 1/2 data from 3 trials expected 1H26."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-009819","json":"https://secwatch.observer/filing/0001193125-26-009819.json","markdown":"https://secwatch.observer/filing/0001193125-26-009819.md","text":"https://secwatch.observer/filing/0001193125-26-009819.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1759138/000119312526009819/0001193125-26-009819-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1759138/000119312526009819/caba-20260112.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T10:54:47.969094+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"}