{"filing":{"accession_number":"0001628280-26-042820","cik":"0001280452","ticker":"MPWR","company_name":"MONOLITHIC POWER SYSTEMS INC","form":"8-K","filing_date":"2026-06-12","report_date":null,"primary_document":"mpwr-20260611.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1280452/000162828026042820/mpwr-20260611.htm"},"events":[{"id":10839,"run_id":9509,"accession_number":"0001628280-26-042820","anchor_item_number":"5.07","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"summary":"Shareholders voted at the June 11, 2026 annual meeting on three matters: election of two Class I directors (Victor K. Lee and Jeff Zhou), ratification of Ernst \u0026 Young LLP as independent auditor, and advisory approval of 2025 named executive officer compensation. Detailed voting tallies including for, against, withheld, abstentions, and broker non-votes were disclosed.","company_name":"MONOLITHIC POWER SYSTEMS INC","ticker":"MPWR","filing_date":"2026-06-12","form":"8-K","submitted_at":null,"items":[{"id":7256,"accession_number":"0001628280-26-042820","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This is a clear disclosure of shareholder vote results from the June 11, 2026 annual meeting of stockholders. The filing presents voting tallies for three matters: election of two Class I directors (Victor K. Lee and Jeff Zhou), ratification of Ernst \u0026 Young LLP as independent auditor, and advisory approval of 2025 named executive officer compensation. The detailed vote counts (for, against, withheld, abstentions, broker non-votes) are the hallmark of Item 5.07 disclosures and are material to investors assessing governance and executive accountability.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-13T02:21:08.975072+00:00","company_name":"","ticker":null,"filing_date":""}]},{"id":10840,"run_id":9509,"accession_number":"0001628280-26-042820","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"summary":"The company announced a quarterly cash dividend of $2.00 per share, representing a material capital allocation decision affecting shareholder returns.","company_name":"MONOLITHIC POWER SYSTEMS INC","ticker":"MPWR","filing_date":"2026-06-12","form":"8-K","submitted_at":null,"items":[{"id":7257,"accession_number":"0001628280-26-042820","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"The disclosure announces a quarterly cash dividend of $2.00 per share, which is a material capital allocation decision affecting shareholder returns. While dividend announcements are routine for established dividend-paying companies, they represent material information to investors regarding the company's capital allocation policy and financial capacity. This does not fit neatly into the more specific event categories (it is not an earnings release, executive change, M\u0026A activity, or financial restatement), making \"other_material\" the most appropriate classification.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-13T02:21:08.975072+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":7256,"accession_number":"0001628280-26-042820","item_number":"5.07","item_title":"Submission of Matters to a Vote of Security Holders.","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This is a clear disclosure of shareholder vote results from the June 11, 2026 annual meeting of stockholders. The filing presents voting tallies for three matters: election of two Class I directors (Victor K. Lee and Jeff Zhou), ratification of Ernst \u0026 Young LLP as independent auditor, and advisory approval of 2025 named executive officer compensation. The detailed vote counts (for, against, withheld, abstentions, broker non-votes) are the hallmark of Item 5.07 disclosures and are material to investors assessing governance and executive accountability.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-13T02:21:08.975072+00:00","company_name":"MONOLITHIC POWER SYSTEMS INC","ticker":"MPWR","filing_date":"2026-06-12"},{"id":7257,"accession_number":"0001628280-26-042820","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"The disclosure announces a quarterly cash dividend of $2.00 per share, which is a material capital allocation decision affecting shareholder returns. While dividend announcements are routine for established dividend-paying companies, they represent material information to investors regarding the company's capital allocation policy and financial capacity. This does not fit neatly into the more specific event categories (it is not an earnings release, executive change, M\u0026A activity, or financial restatement), making \"other_material\" the most appropriate classification.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-13T02:21:08.975072+00:00","company_name":"MONOLITHIC POWER SYSTEMS INC","ticker":"MPWR","filing_date":"2026-06-12"}]}