{"schema_version":"secwatch.filing_event.v1","accession":"0000927653-23-000023","form_type":"8-K","ticker":"MCK","cik":"0000927653","company_name":"MCKESSON CORP","filed_at":"2023-04-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:42.903236+00:00","generated_at":"2026-06-16T07:34:47.633592+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"McKesson board adopts bylaw amendments tightening stockholder proposal and nomination rules","bullets":["Stockholders must maintain ownership through meeting date; special meeting requests require record-date holder status and compliance with Rule 14a-19.","Board gains ability to postpone, reschedule, or cancel previously scheduled stockholder meetings at any time.","Additional disclosure required: text of proposals, participants in solicitation, costs borne, and certification of compliance with securities laws.","Indemnification claims: 60-day waiting period before suit (20-day for advancement); advancement clarified for investigation-related expenses.","Amendments conform to DGCL updates on remote meetings, stockholder list, board emergency powers, and uncertificated shares."],"urls":{"canonical":"https://secwatch.observer/filing/0000927653-23-000023","json":"https://secwatch.observer/filing/0000927653-23-000023.json","markdown":"https://secwatch.observer/filing/0000927653-23-000023.md","text":"https://secwatch.observer/filing/0000927653-23-000023.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/927653/000092765323000023/0000927653-23-000023-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/927653/000092765323000023/mck-20230426.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T07:34:47.633592+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}