{"schema_version":"secwatch.filing_event.v1","accession":"0001062822-21-000046","form_type":"8-K","ticker":"LXRX","cik":"0001062822","company_name":"LEXICON PHARMACEUTICALS, INC.","filed_at":"2021-08-02T23:59:59+00:00","discovered_at":"2026-05-14T18:04:17.030836+00:00","generated_at":"2026-06-29T23:45:08.277153+00:00","sec_items":["5.02","8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Lexicon Pharmaceuticals announces principal accounting officer retirement and CMO appointment","bullets":["James F. Tessmer to retire as VP of finance and accounting (principal accounting officer) effective Sept 24, 2021.","Kristen L. Alexander, current controller, to succeed Tessmer as VP of finance and accounting and principal accounting officer on Sept 24, 2021.","Craig B. Granowitz, M.D., Ph.D., appointed Senior VP and Chief Medical Officer effective Aug 2, 2021; previously CMO of Amarin.","Dr. Granowitz brings prior experience from Merck & Co., Inc. and Schering-Plough Corporation."],"urls":{"canonical":"https://secwatch.observer/filing/0001062822-21-000046","json":"https://secwatch.observer/filing/0001062822-21-000046.json","markdown":"https://secwatch.observer/filing/0001062822-21-000046.md","text":"https://secwatch.observer/filing/0001062822-21-000046.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1062822/000106282221000046/0001062822-21-000046-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1062822/000106282221000046/lxrx-20210728.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T23:45:08.277153+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":"a2c1f77414","claim":"James F. Tessmer retired as vice president of finance and accounting at LEXICON PHARMACEUTICALS, INC..","evidence_excerpt":"On July 28, 2021, James F. Tessmer notified us of his decision to retire as our vice president of finance and accounting, effective September 24, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1062822/000106282221000046/0001062822-21-000046-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"vice president of finance and accounting"}],"fact_type":"executive_change"},{"claim_id":"b0062c8e3b","claim":"Kristen L. Alexander was appointed as vice president of finance and accounting at LEXICON PHARMACEUTICALS, INC..","evidence_excerpt":"Effective September 24, 2021, Kristen L. Alexander will become our vice president of finance and accounting and assume the function of our principal accounting officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1062822/000106282221000046/0001062822-21-000046-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"vice president of finance and accounting"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}