{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-002781","form_type":"8-K","ticker":"MPWR","cik":"0001280452","company_name":"MONOLITHIC POWER SYSTEMS INC","filed_at":"2023-02-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.207829+00:00","generated_at":"2026-06-19T21:32:14.062904+00:00","sec_items":["2.02","5.02","8.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"MPS Q4 revenue $460M (+37% YoY), GAAP EPS $2.45; boosts dividend 33% to $1.00","bullets":["Q4 GAAP net income $119.1M ($2.45 diluted EPS); non-GAAP $154M ($3.17 diluted EPS).","Full-year revenue $1.794B (+48.5% YoY); GAAP EPS $9.05; non-GAAP EPS $12.41.","Quarterly dividend raised to $1.00/share from $0.75, payable Apr 14, 2023 to Mar 31 record date.","Q1 2023 guidance: revenue $440-460M, GAAP gross margin 57.4%-58.0%.","Appointed Eileen Wynne (ex-ADI CAO) to the board as Class II director effective Feb 7."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-002781","json":"https://secwatch.observer/filing/0001437749-23-002781.json","markdown":"https://secwatch.observer/filing/0001437749-23-002781.md","text":"https://secwatch.observer/filing/0001437749-23-002781.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1280452/000143774923002781/0001437749-23-002781-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1280452/000143774923002781/mpwr20230206_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T21:32:14.062904+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":"5be92937bd9b3e555a0fce062cd179e084a60df9","claim":"MONOLITHIC POWER SYSTEMS INC reported the quarter ended December 31, 2022 results: revenue $460.0 million, net income $119.1 million, EPS $2.45 per diluted share.","evidence_excerpt":"14, 2023 to all stockholders of record as of the close of business on March 31, 2023. The financial results for the quarter ended December 31, 2022 are as follows: ● Revenue was $460.0 million for the quarter ended December 31, 2022, a 7.1% decrease from $495.4 million for the quarter ended September 30, 2022 and a 36.7% increase from $336.5 million for the quarter","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1280452/000143774923002781/0001437749-23-002781-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the quarter ended December 31, 2022"},{"label":"Revenue","value":"$460.0 million"},{"label":"Net income","value":"$119.1 million"},{"label":"EPS","value":"$2.45 per diluted share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"},{"claim_id":"a03b53d77bba0e1e744b328d381b0e7ed7cf5815","claim":"MONOLITHIC POWER SYSTEMS INC reported the year ended December 31, 2022 results: revenue $1,794.1 million.","evidence_excerpt":"● Revenue was $1,794.1 million for the year ended December 31, 2022, a 48.5% increase from $1,207.8 million for the year ended December 31, 2021.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1280452/000143774923002781/0001437749-23-002781-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the year ended December 31, 2022"},{"label":"Revenue","value":"$1,794.1 million"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"},{"claim_id":"ac7c80a41b","claim":"Eileen Wynne was appointed as Director at MONOLITHIC POWER SYSTEMS INC.","evidence_excerpt":"On February 7, 2023, the Board of Directors (the “Board”) of the Company appointed Eileen Wynne to serve as a member of the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1280452/000143774923002781/0001437749-23-002781-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"}