{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-010947","form_type":"8-K","ticker":"TSHA","cik":"0001806310","company_name":"Taysha Gene Therapies, Inc.","filed_at":"2023-01-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.668725+00:00","generated_at":"2026-06-20T13:12:56.866388+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Taysha Gene Therapies CMO Suyash Prasad departs effective immediately","bullets":["Chief Medical Officer Suyash Prasad separated from Taysha on Jan 12, 2023 by mutual agreement.","Separation agreement terms not yet finalized; company to file further details later.","No replacement named; CFO signed the 8-K filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-010947","json":"https://secwatch.observer/filing/0001193125-23-010947.json","markdown":"https://secwatch.observer/filing/0001193125-23-010947.md","text":"https://secwatch.observer/filing/0001193125-23-010947.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1806310/000119312523010947/0001193125-23-010947-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1806310/000119312523010947/d425122d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T13:12:56.866388+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":"00e339aef1","claim":"Suyash Prasad departed as Chief Medical Officer at Taysha Gene Therapies, Inc..","evidence_excerpt":"On January 12, 2023, Taysha Gene Therapies, Inc. (the “ Company ”) and Suyash Prasad, the Company’s Chief Medical Officer, mutually agreed to Dr. Prasad’s separation from the Company, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1806310/000119312523010947/0001193125-23-010947-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"separated"},{"label":"Role","value":"Chief Medical Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}