{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-313725","form_type":"8-K","ticker":"LNTH","cik":"0001521036","company_name":"Lantheus Holdings, Inc.","filed_at":"2022-12-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:50.963973+00:00","generated_at":"2026-06-20T22:25:42.256184+00:00","sec_items":["5.03","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Lantheus amends bylaws: majority voting, universal proxy rules, DGCL updates","bullets":["Board adopted Amended and Restated Bylaws effective December 27, 2022.","Implements majority voting for uncontested director elections.","Adds advance notice provisions for universal proxy rules per SEC adoption.","Reflects Delaware law changes on adjourned meetings and stockholder list elimination."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-313725","json":"https://secwatch.observer/filing/0001193125-22-313725.json","markdown":"https://secwatch.observer/filing/0001193125-22-313725.md","text":"https://secwatch.observer/filing/0001193125-22-313725.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1521036/000119312522313725/0001193125-22-313725-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1521036/000119312522313725/d423986d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T22:25:42.256184+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":"774056b69642d95f5e525112e3e80d082cbd4ba0","claim":"Lantheus Holdings, Inc.: 修订章程，实施多数投票、更新提前通知条款以符合SEC通用代理规则，并反映特拉华州公司法关于休会通知和股东名单要求的变更 (effective 2022-12-27).","evidence_excerpt":"Effective December 27, 2022, the Board of Directors of Lantheus Holdings, Inc. (the “Company”) amended and restated the Company’s Amended and Restated Bylaws (as so amended and restated, the “Amended and Restated Bylaws”) to (i) implement majority voting in uncontested elections of directors, (ii) include advance notice provisions to address the adoption by the Securities and Exchange Commission of “universal proxy” rules and (iii) reflect amendments to the Delaware General Corporation Law regarding notice of adjourned stockholder meetings and eliminating the requirement of having a stockholder list available at a stockholder meeting, which amendments became effective in August 2022.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1521036/000119312522313725/0001193125-22-313725-index.htm","confidence":1.0,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2022-12-27"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}