{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-24-003414","form_type":"8-K","ticker":"PMDI","cik":"0000806517","company_name":"PSYCHEMEDICS CORP","filed_at":"2024-06-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:22.025143+00:00","generated_at":"2026-06-01T04:56:44.593608+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Psychemedics dismisses BDO USA as auditor, engages Whitley Penn LLP","bullets":["Dismissed BDO USA as independent auditor on June 6, 2024; engaged Whitley Penn LLP on June 12, 2024.","No disagreements or reportable events with BDO in the two most recent fiscal years and interim period.","BDO's audit reports for fiscal years ended Dec 31, 2023 and 2022 were unqualified.","Company provided BDO with a copy of the statements and received BDO's letter to SEC agreeing with the statements."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-24-003414","json":"https://secwatch.observer/filing/0001171843-24-003414.json","markdown":"https://secwatch.observer/filing/0001171843-24-003414.md","text":"https://secwatch.observer/filing/0001171843-24-003414.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/806517/000117184324003414/0001171843-24-003414-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/806517/000117184324003414/f8k_061224.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T04:56:44.593608+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"}