{"schema_version":"secwatch.filing_event.v1","accession":"0001049521-22-000034","form_type":"8-K","ticker":"MRCY","cik":"0001049521","company_name":"MERCURY SYSTEMS INC","filed_at":"2022-06-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:59.469889+00:00","generated_at":"2026-06-24T23:11:06.013534+00:00","sec_items":["1.01","3.03","5.02","7.01","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Mercury Systems appoints two directors, enters cooperation with JANA and Starboard","bullets":["Howard Lance (ex-Maxar CEO) and Bill Ballhaus (ex-Blackboard CEO) appointed to board, effective immediately.","Board temporarily expanded from 9 to 11 directors; will return to 9 after 2022 annual meeting.","Rights agreement amended to raise ownership threshold from 7.5% to 10% (20% for passive institutions).","Cooperation agreements include standstill, voting provisions; activists will vote for board nominees.","New directors added to key committees; Ballhaus on Audit, Lance on Compensation and Government Relations."],"urls":{"canonical":"https://secwatch.observer/filing/0001049521-22-000034","json":"https://secwatch.observer/filing/0001049521-22-000034.json","markdown":"https://secwatch.observer/filing/0001049521-22-000034.md","text":"https://secwatch.observer/filing/0001049521-22-000034.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1049521/000104952122000034/0001049521-22-000034-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1049521/000104952122000034/mrcy-20220624.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-24T23:11:06.013534+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":"53a254db99","claim":"William L. Ballhaus was appointed as Director at MERCURY SYSTEMS INC.","evidence_excerpt":"effective as of June 23, 2022, the Board appointed William L. Ballhaus and Howard L. Lance as independent directors in Class I of the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1049521/000104952122000034/0001049521-22-000034-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"55cad84cc2","claim":"Howard L. Lance was appointed as Director at MERCURY SYSTEMS INC.","evidence_excerpt":"effective as of June 23, 2022, the Board appointed William L. Ballhaus and Howard L. Lance as independent directors in Class I of the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1049521/000104952122000034/0001049521-22-000034-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}