{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-109824","form_type":"8-K","ticker":"MGTX","cik":"0001735438","company_name":"MeiraGTx Holdings plc","filed_at":"2026-09-23T12:12:35+00:00","discovered_at":"2026-09-23T12:15:02.208150+00:00","generated_at":"2026-09-23T12:15:07.551070+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"MeiraGTx appoints Alan M. Sebulsky to Board as Class I director effective Sept 23, 2026","bullets":["Sebulsky, Managing Member of Apothecary Capital, joins as Class I director with term expiring at 2028 annual meeting.","Appointed to Science and Technology Committee; eligible for Non-Employee Director Compensation.","Ex-Partner at Adage Capital for 14 years, managing a biopharma portfolio with over $2B in assets.","Current board member of Parabilis Medicines; former director of Jazz Pharmaceuticals and Arrow International.","CEO Alexandria Forbes cites his 25-year relationship and biopharma investing experience as valuable as company transitions to commercial."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-109824","json":"https://secwatch.observer/filing/0001104659-26-109824.json","markdown":"https://secwatch.observer/filing/0001104659-26-109824.md","text":"https://secwatch.observer/filing/0001104659-26-109824.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1735438/000110465926109824/0001104659-26-109824-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1735438/000110465926109824/mgtx-20260922x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-23T12:15:07.551070+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":"850686039a","claim":"Alan M. Sebulsky was appointed as Class I Director at MeiraGTx Holdings plc.","evidence_excerpt":"appointed Alan M. Sebulsky to the Board as a Class I director, effective September 23, 2026","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1735438/000110465926109824/0001104659-26-109824-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Class I Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}