{"schema_version":"secwatch.filing_event.v1","accession":"0001049521-21-000066","form_type":"8-K","ticker":"MRCY","cik":"0001049521","company_name":"MERCURY SYSTEMS INC","filed_at":"2021-12-29T23:59:59+00:00","discovered_at":"2026-05-14T18:04:11.268553+00:00","generated_at":"2026-06-27T21:51:43.872764+00:00","sec_items":["1.01","3.03","5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Mercury Systems adopts one-year shareholder rights plan with 7.5% trigger","bullets":["Board unanimously adopted Rights Plan to protect shareholder value amid perceived undervaluation of shares.","Rights trigger at 7.5% beneficial ownership (10% for passive institutional investors).","Each Right entitles holder to purchase preferred shares worth twice the market value of common shares upon trigger.","Rights expire after one year; distributed as a dividend to stockholders of record on January 10, 2022.","Plan designed to allow Board time to evaluate any unsolicited acquisition offers and negotiate full value."],"urls":{"canonical":"https://secwatch.observer/filing/0001049521-21-000066","json":"https://secwatch.observer/filing/0001049521-21-000066.json","markdown":"https://secwatch.observer/filing/0001049521-21-000066.md","text":"https://secwatch.observer/filing/0001049521-21-000066.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1049521/000104952121000066/0001049521-21-000066-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1049521/000104952121000066/mrcy-20211229.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T21:51:43.872764+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"}