{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-206598","form_type":"8-K","ticker":"XFOR","cik":"0001501697","company_name":"X4 Pharmaceuticals, Inc","filed_at":"2022-07-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:55.947094+00:00","generated_at":"2026-06-24T06:55:15.920389+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"X4 Pharmaceuticals CLO Derek Meisner resigns effective Aug 22, 2022","bullets":["Chief Legal Officer and Corporate Secretary Derek Meisner resigns effective August 22, 2022.","Resignation is to pursue another opportunity; not due to any disagreement with the company or board.","No replacement for Meisner has been announced as of the filing date."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-206598","json":"https://secwatch.observer/filing/0001193125-22-206598.json","markdown":"https://secwatch.observer/filing/0001193125-22-206598.md","text":"https://secwatch.observer/filing/0001193125-22-206598.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1501697/000119312522206598/0001193125-22-206598-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1501697/000119312522206598/d378391d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-24T06:55:15.920389+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":"ae6e3b1f4f","claim":"Derek Meisner resigned as Chief Legal Officer and Corporate Secretary at X4 Pharmaceuticals, Inc.","evidence_excerpt":"Derek Meisner provided X4 Pharmaceuticals, Inc. (the “Company”) with notice of his intent to resign from his position as Chief Legal Officer and Corporate Secretary of the Company, effective August 22, 2022, in order to pursue another opportunity.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1501697/000119312522206598/0001193125-22-206598-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Legal Officer and Corporate Secretary"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}