{"entity":{"type":"insider","cik":"0001308584","url":"/insider/0001308584","json_url":"/insider/0001308584.json","name":"Jones Jim J III","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":4,"n_filings":3,"first":"2004-11-29","last":"2005-11-14","span_basis":"filed_date"},"name_variants":[{"name":"Jones Jim J III","source":"filing","n_filings":3,"first_seen":"2004-11-29","last_seen":"2005-11-14"}],"transactions":[{"id":1514629,"accession":"0001222737-05-000003","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001222737-05-000003","line_url":"/filing/0001222737-05-000003#line-1","is_derivative":false,"issuer_cik":"0001280452","issuer_name":"MONOLITHIC POWER SYSTEMS INC","issuer_ticker":"MPWR","issuer_name_source":null,"issuer_url":"/issuer/0001280452","owner_cik":"0001308584","owner_name":"Jones Jim J III","owner_url":"/insider/0001308584","role":"Director","officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":47491.0,"shares_display":"47,491","price_per_share":14.21,"price_display":"14.21","price_state":"stated","total_value":674847.11,"total_display":"674,847.11","shares_owned_after":2120356.0,"shares_owned_after_display":"2,120,356","ownership_form":"I","is_10b5_1":null,"transaction_date":"2005-11-10","filed_date":"2005-11-14","scope":"insider"},{"id":1498708,"accession":"0001222737-05-000002","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001222737-05-000002","line_url":"/filing/0001222737-05-000002#line-2","is_derivative":false,"issuer_cik":"0001280452","issuer_name":"MONOLITHIC POWER SYSTEMS INC","issuer_ticker":"MPWR","issuer_name_source":null,"issuer_url":"/issuer/0001280452","owner_cik":"0001308584","owner_name":"Jones Jim J III","owner_url":"/insider/0001308584","role":"Director","officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":110938.0,"shares_display":"110,938","price_per_share":14.35,"price_display":"14.35","price_state":"stated","total_value":1591960.3,"total_display":"1,591,960.30","shares_owned_after":2167847.0,"shares_owned_after_display":"2,167,847","ownership_form":"I","is_10b5_1":null,"transaction_date":"2005-11-09","filed_date":"2005-11-10","scope":"insider"},{"id":1498707,"accession":"0001222737-05-000002","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001222737-05-000002","line_url":"/filing/0001222737-05-000002#line-1","is_derivative":false,"issuer_cik":"0001280452","issuer_name":"MONOLITHIC POWER SYSTEMS INC","issuer_ticker":"MPWR","issuer_name_source":null,"issuer_url":"/issuer/0001280452","owner_cik":"0001308584","owner_name":"Jones Jim J III","owner_url":"/insider/0001308584","role":"Director","officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":19400.0,"shares_display":"19,400","price_per_share":14.05,"price_display":"14.05","price_state":"stated","total_value":272570.0,"total_display":"272,570.00","shares_owned_after":2278785.0,"shares_owned_after_display":"2,278,785","ownership_form":"I","is_10b5_1":null,"transaction_date":"2005-11-08","filed_date":"2005-11-10","scope":"insider"},{"id":314996,"accession":"0001308584-04-000002","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001308584-04-000002","line_url":"/filing/0001308584-04-000002#line-2","is_derivative":false,"issuer_cik":"0001280452","issuer_name":"MONOLITHIC POWER SYSTEMS INC","issuer_ticker":"770466789","issuer_name_source":null,"issuer_url":"/issuer/0001280452","owner_cik":"0001308584","owner_name":"Jones Jim J III","owner_url":"/insider/0001308584","role":"Director","officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":500000.0,"shares_display":"500,000","price_per_share":7.905,"price_display":"7.90","price_state":"stated","total_value":3952500.0,"total_display":"3,952,500.00","shares_owned_after":2298185.0,"shares_owned_after_display":"2,298,185","ownership_form":"I","is_10b5_1":null,"transaction_date":"2004-11-24","filed_date":"2004-11-29","scope":"insider"}],"next_cursor":null,"ledger_fault":false,"count":{"value":4,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":4,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":4},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001280452","name":"MONOLITHIC POWER SYSTEMS INC","url":"/issuer/0001280452","role":"Director","n_filings":3,"first_seen":"2004-11-29","last_seen":"2005-11-14"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001308584","retrieved_at":"2026-08-20T21:29:21+00:00","coverage":{"filings":1505395,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-19","last_ingest":"2026-08-20T05:22:56.381658+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}