{"schema_version":"secwatch.filing_event.v1","accession":"0001062822-23-000033","form_type":"8-K","ticker":"LXRX","cik":"0001062822","company_name":"LEXICON PHARMACEUTICALS, INC.","filed_at":"2023-07-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.050895+00:00","generated_at":"2026-06-12T21:43:16.078731+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Lexicon appoints Diane Sullivan to board; Frank Palantoni resigns after 18 years","bullets":["Diane Sullivan, former chief commercial officer at The Medicines Company, elected to Lexicon board effective July 27, 2023.","Sullivan will serve on audit committee; received initial stock option for 96,515 shares at $1.94 per share.","Non-employee director compensation includes $50k annual retainer plus committee fees (audit $10k, comp $7.5k, governance $5k).","Frank Palantoni resigned after 18 years, with his service culminating in INPEFA approval.","Sullivan's experience expected to support INPEFA launch and LX9211 program advancement."],"urls":{"canonical":"https://secwatch.observer/filing/0001062822-23-000033","json":"https://secwatch.observer/filing/0001062822-23-000033.json","markdown":"https://secwatch.observer/filing/0001062822-23-000033.md","text":"https://secwatch.observer/filing/0001062822-23-000033.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1062822/000106282223000033/0001062822-23-000033-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1062822/000106282223000033/lxrx-20230727.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-12T21:43:16.078731+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":"11aa580603","claim":"Diane E. Sullivan was elected as Director at LEXICON PHARMACEUTICALS, INC..","evidence_excerpt":"Effective July 27, 2023, our board of directors elected Diane E. Sullivan to serve as a member of our board of directors.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1062822/000106282223000033/0001062822-23-000033-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"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"}