{"schema_version":"secwatch.filing_event.v1","accession":"0001049521-22-000053","form_type":"8-K","ticker":"MRCY","cik":"0001049521","company_name":"MERCURY SYSTEMS INC","filed_at":"2022-10-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.412922+00:00","generated_at":"2026-06-22T22:21:17.504590+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Mercury Systems amends bylaws with enhanced advance notice and universal proxy provisions","bullets":["New advance notice deadline: stockholder proposals due 90-120 days before prior annual meeting anniversary.","Increased disclosure requirements: beneficial ownership, synthetic equity, litigation history, and material agreements.","Director nominees must provide background info, compliance representations, and intent to serve full term.","Universal proxy rule compliance: solicitations must follow Rule 14a-19; white proxy card reserved for Board.","Special meeting requests require written request to Board for record date and detailed disclosures."],"urls":{"canonical":"https://secwatch.observer/filing/0001049521-22-000053","json":"https://secwatch.observer/filing/0001049521-22-000053.json","markdown":"https://secwatch.observer/filing/0001049521-22-000053.md","text":"https://secwatch.observer/filing/0001049521-22-000053.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1049521/000104952122000053/0001049521-22-000053-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1049521/000104952122000053/mrcy-20221028.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-22T22:21:17.504590+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":"68b83ade83c5127cdffcc63a7734b51c4722a2cc","claim":"MERCURY SYSTEMS INC: Amended and restated by-laws to revise advance notice disclosure requirements for stockholder proposals and director nominations, update deadlines, address universal proxy rules, clarify special meeting procedures, and update indemnification provisions (effective 2022-10-26).","evidence_excerpt":"On October 26, 2022, the Board of Directors (the “Board”) of Mercury Systems, Inc. (the “Company”) approved and adopted an amendment and restatement of the Company’s amended and restated by-laws (as so amended, the “By-laws”), which became effective the same day.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1049521/000104952122000053/0001049521-22-000053-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2022-10-26"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}