{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-035995","form_type":"8-K","ticker":"MPWR","cik":"0001280452","company_name":"MONOLITHIC POWER SYSTEMS INC","filed_at":"2025-11-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.021716+00:00","generated_at":"2026-05-16T17:33:28.951310+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":"Monolithic Power Systems reduces special meeting ownership threshold to 25%","bullets":["Amended Bylaws effective Nov 19, 2025 lower the ownership threshold to call a special meeting from 30% to 25% of outstanding shares.","Board considered a non-binding stockholder proposal for a 10% threshold, but adopted 25% after feedback from top ten stockholders.","Change is intended to balance stockholder access with board recommendation, reflecting peer company practices."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-035995","json":"https://secwatch.observer/filing/0001437749-25-035995.json","markdown":"https://secwatch.observer/filing/0001437749-25-035995.md","text":"https://secwatch.observer/filing/0001437749-25-035995.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1280452/000143774925035995/0001437749-25-035995-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1280452/000143774925035995/mpwr20251107_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T17:33:28.951310+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":"8e4d8f8b8a1fe657ceb017b9499267c8b2e6bdb4","claim":"MONOLITHIC POWER SYSTEMS INC: Reduced the ownership threshold for stockholders to call a special meeting from at least 30% to at least 25% of outstanding shares (effective 2025-11-19).","evidence_excerpt":"the Amended Bylaws reduce the ownership threshold (the “Ownership Threshold”) necessary for stockholders to call a special meeting of stockholders from at least 30% to at least 25% of the outstanding shares of capital stock of the Company entitled to vote generally for the election of directors.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1280452/000143774925035995/0001437749-25-035995-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2025-11-19"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}