{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-21-037977","form_type":"8-K","ticker":"HSDT","cik":"0001610853","company_name":"Solana Co","filed_at":"2021-07-26T23:59:59+00:00","discovered_at":"2026-05-14T18:04:18.840716+00:00","generated_at":"2026-06-30T02:35:56.048458+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"COO Joyce LaViscount departs Helius Medical Technologies effective July 20","bullets":["Joyce LaViscount's employment as Chief Operating Officer ended on July 20, 2021.","No reason for the departure was disclosed in the filing.","No replacement or interim COO has been announced."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-21-037977","json":"https://secwatch.observer/filing/0001564590-21-037977.json","markdown":"https://secwatch.observer/filing/0001564590-21-037977.md","text":"https://secwatch.observer/filing/0001564590-21-037977.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1610853/000156459021037977/0001564590-21-037977-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1610853/000156459021037977/hsdt-8k_20210726.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T02:35:56.048458+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":"410cae19f1","claim":"Joyce LaViscount departed as Chief Operating Officer at Solana Co.","evidence_excerpt":"The employment of Joyce LaViscount, Chief Operating Officer of Helius Medical Technologies, Inc. ended on July 20, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1610853/000156459021037977/0001564590-21-037977-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"ended"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}