{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-22-009857","form_type":"8-K","ticker":"HSDT","cik":"0001610853","company_name":"Solana Co","filed_at":"2022-03-11T23:59:59+00:00","discovered_at":"2026-05-14T18:04:07.369996+00:00","generated_at":"2026-06-26T23:37:20.040760+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Director Mitchell Tyler to retire from Helius Medical board at 2022 annual meeting","bullets":["Mitchell Tyler notified Board he will not stand for re-election at 2022 annual meeting.","Retirement effective immediately prior to the annual meeting; no disagreement with Company.","Tyler will continue serving on Board until the conclusion of his current term."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-22-009857","json":"https://secwatch.observer/filing/0001564590-22-009857.json","markdown":"https://secwatch.observer/filing/0001564590-22-009857.md","text":"https://secwatch.observer/filing/0001564590-22-009857.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1610853/000156459022009857/0001564590-22-009857-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1610853/000156459022009857/hsdt-8k_20220308.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T23:37:20.040760+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":"4a76d5d046","claim":"Mitchell Tyler departed as Director at Solana Co.","evidence_excerpt":"Mr. Mitchell Tyler notified the Board of Directors (the “Board”) of Helius Medical Technologies, Inc. (the “Company”) of his intention to retire from service on the Board upon expiration of his current term","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1610853/000156459022009857/0001564590-22-009857-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}