{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-23-024723","form_type":"8-K","ticker":"CNTN","cik":"0001861657","company_name":"Canton Strategic Holdings, Inc.","filed_at":"2023-07-17T23:59:59+00:00","discovered_at":"2026-05-14T18:03:35.862823+00:00","generated_at":"2026-06-13T07:53:56.758204+00:00","sec_items":["4.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Hillstream BioPharma appoints Rosenberg Rich Baker Berman as new auditor for FY2023","bullets":["Audit Committee conducted competitive selection process for independent registered public accounting firm.","Appointed Rosenberg Rich Baker Berman P.A. (RRBB) effective July 12, 2023 for fiscal year ending Dec 31, 2023.","Replaced Mayer Hoffman McCann P.C. as the company's prior auditor.","Company did not consult RRBB on any matters under Item 304(a)(2)(i) or (ii) before appointment."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-23-024723","json":"https://secwatch.observer/filing/0001493152-23-024723.json","markdown":"https://secwatch.observer/filing/0001493152-23-024723.md","text":"https://secwatch.observer/filing/0001493152-23-024723.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1861657/000149315223024723/0001493152-23-024723-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1861657/000149315223024723/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T07:53:56.758204+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":"1d04d39fd204540b00d14833aa30b24bc8fef09f","claim":"Canton Strategic Holdings, Inc. engaged Rosenberg Rich Baker Berman P.A. as its auditor.","evidence_excerpt":"on July 12, 2023, the Committee approved the appointment of Rosenberg Rich Baker Berman P.A. (“RRBB”) as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2023 effective as of July 12, 2023, replacing Mayer Hoffman McCann P.C.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1861657/000149315223024723/0001493152-23-024723-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Rosenberg Rich Baker Berman P.A."}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}