{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-23-022159","form_type":"8-K","ticker":null,"cik":"0001614067","company_name":"Aridis Pharmaceuticals, Inc.","filed_at":"2023-06-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:39.670394+00:00","generated_at":"2026-06-13T18:06:24.453996+00:00","sec_items":["4.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Aridis Pharmaceuticals appoints Grassi & Co. as new auditor after Baker Tilly resignation","bullets":["Baker Tilly resigned as independent auditor effective after filing Q1 2023 10-Q.","Grassi & Co. appointed as new independent registered public accounting firm effective June 16, 2023.","Audit Committee approved the appointment; no prior consultations with Grassi on accounting matters.","No disagreements or reportable events occurred with former auditor during 2022 or Q1 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-23-022159","json":"https://secwatch.observer/filing/0001493152-23-022159.json","markdown":"https://secwatch.observer/filing/0001493152-23-022159.md","text":"https://secwatch.observer/filing/0001493152-23-022159.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1614067/000149315223022159/0001493152-23-022159-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1614067/000149315223022159/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T18:06:24.453996+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":"5a99a93326a25ed98fbe20096f858841839e1d3d","claim":"Aridis Pharmaceuticals, Inc. engaged Grassi & Co. CPAs, P.C. as its auditor.","evidence_excerpt":"the Company appointed Grassi & Co. CPAs, P.C. (\" Grassi \") as the Company's new independent registered public accounting firm effective as of June 16, 2023.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1614067/000149315223022159/0001493152-23-022159-index.htm","confidence":1.0,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Grassi & Co. CPAs, P.C."}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}