{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-042575","form_type":"8-K","ticker":"CATX","cik":"0000728387","company_name":"Perspective Therapeutics, Inc.","filed_at":"2024-04-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:21.840669+00:00","generated_at":"2026-06-04T01:36:44.971987+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Perspective Therapeutics dismisses auditor Assure CPA, engages Withum","bullets":["Audit Committee dismissed Assure CPA, LLC as independent auditor effective April 5, 2024.","Engaged WithumSmith+Brown, PC as new independent auditor for FY 2024, effective same date.","No disagreements with Assure on accounting principles or reportable events during prior periods.","Assure's audit reports for FY 2023, FY 2022, and transition period were unqualified.","Assure provided a letter dated April 8, 2024 concurring with statements, filed as Exhibit 16.1."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-042575","json":"https://secwatch.observer/filing/0000950170-24-042575.json","markdown":"https://secwatch.observer/filing/0000950170-24-042575.md","text":"https://secwatch.observer/filing/0000950170-24-042575.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/728387/000095017024042575/0000950170-24-042575-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/728387/000095017024042575/catx-20240405.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T01:36:44.971987+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":"5144fa79cf16fce9d01677509ed9bfaa8f2265a5","claim":"Perspective Therapeutics, Inc. engaged WithumSmith+Brown, PC as its auditor.","evidence_excerpt":"Also, on April 5, 2024, the Audit Committee approved the engagement of WithumSmith+Brown, PC (\"Withum\") as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2024, effective immediately","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/728387/000095017024042575/0000950170-24-042575-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"WithumSmith+Brown, PC"}],"fact_type":"auditor_change"},{"claim_id":"78eb6d6880bf6d398e6470e84c3ef8d0b361ae76","claim":"Perspective Therapeutics, Inc. dismissed Assure CPA, LLC as its auditor.","evidence_excerpt":"on April 5, 2024, the Audit Committee approved the dismissal of Assure CPA, LLC (\"Assure\") as the Company’s independent registered public accounting firm, effective immediately","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/728387/000095017024042575/0000950170-24-042575-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"Assure CPA, LLC"},{"label":"Successor","value":"WithumSmith+Brown, PC"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}