{"schema_version":"secwatch.filing_event.v1","accession":"0001641172-25-003216","form_type":"8-K","ticker":"PULM","cik":"0001574235","company_name":"Pulmatrix, Inc.","filed_at":"2025-04-08T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.843644+00:00","generated_at":"2026-05-23T19:02:02.672734+00:00","sec_items":["5.07","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Pulmatrix auditor change: Marcum resigns, CBIZ engaged effective April 4, 2025","bullets":["Marcum LLP resigned as independent auditor on April 4, 2025; no adverse opinions or disagreements in prior reports.","Audit Committee approved engagement of CBIZ CPAs P.C. as new independent auditor for fiscal 2025.","Auditor transition follows CBIZ’s November 2024 acquisition of Marcum’s attest business.","No reportable events or disagreements occurred during 2023, 2024, or interim period through April 4, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001641172-25-003216","json":"https://secwatch.observer/filing/0001641172-25-003216.json","markdown":"https://secwatch.observer/filing/0001641172-25-003216.md","text":"https://secwatch.observer/filing/0001641172-25-003216.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1574235/000164117225003216/0001641172-25-003216-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1574235/000164117225003216/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T19:02:02.672734+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"}