{"entity":{"type":"insider","cik":"0001476984","url":"/insider/0001476984","json_url":"/insider/0001476984.json","name":"FINKBEINER MARTIN W.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":4,"n_filings":3,"first":"2009-12-04","last":"2010-02-19","span_basis":"filed_date"},"name_variants":[{"name":"FINKBEINER MARTIN W.","source":"filing","n_filings":3,"first_seen":"2009-12-04","last_seen":"2010-02-19"}],"transactions":[{"id":7147443,"accession":"0001266824-10-000008","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001266824-10-000008","line_url":"/filing/0001266824-10-000008#line-1","is_derivative":false,"issuer_cik":"0000106040","issuer_name":"WESTERN DIGITAL CORP","issuer_ticker":"WDC","issuer_name_source":null,"issuer_url":"/issuer/0000106040","owner_cik":"0001476984","owner_name":"FINKBEINER MARTIN W.","owner_display_name":"FINKBEINER MARTIN W.","owner_url":"/insider/0001476984","role":"Officer (EVP Operations)","role_mark":"O","role_mark_label":"Officer (EVP Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP Operations","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1994.0,"shares_display":"1,994","price_per_share":42.9,"price_display":"42.90","price_state":"stated","total_value":85542.6,"total_display":"85,542.60","total_whole":"85,543","shares_owned_after":60716.0,"shares_owned_after_display":"60,716","ownership_form":"D","is_10b5_1":null,"transaction_date":"2010-02-18","filed_date":"2010-02-19","scope":"insider"},{"id":5655944,"accession":"0001266824-09-000097","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001266824-09-000097","line_url":"/filing/0001266824-09-000097#line-1","is_derivative":false,"issuer_cik":"0000106040","issuer_name":"WESTERN DIGITAL CORP","issuer_ticker":"WDC","issuer_name_source":null,"issuer_url":"/issuer/0000106040","owner_cik":"0001476984","owner_name":"FINKBEINER MARTIN W.","owner_display_name":"FINKBEINER MARTIN W.","owner_url":"/insider/0001476984","role":"Officer (EVP Operations)","role_mark":"O","role_mark_label":"Officer (EVP Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP Operations","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12661.0,"shares_display":"12,661","price_per_share":42.0039,"price_display":"42.00","price_state":"stated","total_value":531811.3779,"total_display":"531,811.38","total_whole":"531,811","shares_owned_after":64234.0,"shares_owned_after_display":"64,234","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-12-17","filed_date":"2009-12-21","scope":"insider"},{"id":5742674,"accession":"0001266824-09-000093","txn_seq":8,"anchor":"line-8","filing_url":"/filing/0001266824-09-000093","line_url":"/filing/0001266824-09-000093#line-8","is_derivative":false,"issuer_cik":"0000106040","issuer_name":"WESTERN DIGITAL CORP","issuer_ticker":"WDC","issuer_name_source":null,"issuer_url":"/issuer/0000106040","owner_cik":"0001476984","owner_name":"FINKBEINER MARTIN W.","owner_display_name":"FINKBEINER MARTIN W.","owner_url":"/insider/0001476984","role":"Officer (EVP Operations)","role_mark":"O","role_mark_label":"Officer (EVP Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP Operations","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":60965.0,"shares_display":"60,965","price_per_share":39.0441,"price_display":"39.04","price_state":"stated","total_value":2380323.5565,"total_display":"2,380,323.56","total_whole":"2,380,324","shares_owned_after":76895.0,"shares_owned_after_display":"76,895","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-12-03","filed_date":"2009-12-04","scope":"insider"},{"id":5742668,"accession":"0001266824-09-000093","txn_seq":5,"anchor":"line-5","filing_url":"/filing/0001266824-09-000093","line_url":"/filing/0001266824-09-000093#line-5","is_derivative":false,"issuer_cik":"0000106040","issuer_name":"WESTERN DIGITAL CORP","issuer_ticker":"WDC","issuer_name_source":null,"issuer_url":"/issuer/0000106040","owner_cik":"0001476984","owner_name":"FINKBEINER MARTIN W.","owner_display_name":"FINKBEINER MARTIN W.","owner_url":"/insider/0001476984","role":"Officer (EVP Operations)","role_mark":"O","role_mark_label":"Officer (EVP Operations)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"EVP Operations","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":78497.0,"shares_display":"78,497","price_per_share":39.0331,"price_display":"39.03","price_state":"stated","total_value":3063981.2507,"total_display":"3,063,981.25","total_whole":"3,063,981","shares_owned_after":76895.0,"shares_owned_after_display":"76,895","ownership_form":"D","is_10b5_1":null,"transaction_date":"2009-12-02","filed_date":"2009-12-04","scope":"insider"}],"collapsed":true,"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":"0000106040","name":"WESTERN DIGITAL CORP","url":"/issuer/0000106040","role":"Officer (EVP Operations)","n_filings":3,"first_seen":"2009-12-04","last_seen":"2010-02-19"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001476984","retrieved_at":"2026-08-23T18:59:13+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+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"}}