Effective March 27, 2026, Mr. Masayuki Hashimoto, Representative Director, Chairman and CEO, will assume the position of Director Advisor. Mr. Toshihiro Awa, Director and President, will retire and become a Full-time Advisor, and Mr. Jiro Tatsuta, Director and Vice President, will be appointed Representative Director and President.<\/p>\n","protected":false},"comment_status":"open","ping_status":"closed","template":"","meta":{"Ticker":"","DATE":"","longName":"","company_name_ja":"","fullTimeEmployees":0,"address":"","phone":"","website":"","industry":"","sector":"","regularMarketPrice":0,"financialCurrency":"","marketCap":0,"fiftyTwoWeekLow":0,"fiftyTwoWeekHigh":0,"epsTrailingTwelveMonths":0,"epsForward":0,"bookValue":0,"totalRevenue":0,"OperatingIncome":0,"operatingMargins":0,"NetIncome":0,"profitMargins":0,"ebitda":0,"trailingPE":0,"forwardPE":0,"priceToBook":0,"returnOnEquity":0,"recommendationMean":0,"recommendationKey":"","targetMeanPrice":0,"numberOfAnalystOpinions":0,"analyst_earnings_data":"","dividendRate":0,"dividendYield":0,"payoutRatio":0,"totalEsg":0,"environmentScore":0,"socialScore":0,"governanceScore":0,"title":"","providerPublishTime":"","link":"","longBusinessSummary":"","longBusinessSummary_ja":"","quarterly_revenue":0,"quarterly_net_income":0,"quarterly_operating_profit":0,"enterprise_value":0,"company_officer_1_name":"","company_officer_1_title":"","company_officer_2_name":"","company_officer_2_title":"","company_officer_3_name":"","company_officer_3_title":"","company_officer_4_name":"","company_officer_4_title":"","company_officer_5_name":"","company_officer_5_title":"","company_officers_update_time":"","get_dividend_history_year1":0,"get_dividend_history_year2":0,"get_dividend_history_year3":0,"get_dividend_history_year4":0,"get_dividend_history_year5":0,"get_dividend_history_year6":0,"get_dividend_history_year7":0,"get_dividend_history_year8":0,"get_dividend_history_year9":0,"get_dividend_history_year10":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jir_stock_code":"3436","jir_company_name":"SUMCO Corporation","jir_importance":"\u2605\u2605\u2605\u2605\u2606","jir_publication_date":"2026-01-05","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/01\/3436-20260105-01.pdf","jir_short_summary":"Effective March 27, 2026, Mr. Masayuki Hashimoto, Representative Director, Chairman and CEO, will assume the position of Director Advisor. Mr. Toshihiro Awa, Director and President, will retire and become a Full-time Advisor, and Mr. Jiro Tatsuta, Director and Vice President, will be appointed Representative Director and President.","jir_summary":"### Details of Changes in Representative Directors and Others\nAt the Board of Directors meeting held on January 5, 2026, the Company resolved changes in representative directors and others aimed at strengthening the management structure for the next generation. Mr. Masayuki Hashimoto, Representative Director, Chairman and CEO, will assume the position of Director Advisor, and Mr. Toshihiro Awa, Director and President, will retire and become a Full-time Advisor. Mr. Jiro Tatsuta, Director and Vice President, will be newly appointed as Representative Director and President.\n\n### Profile of the Newly Appointed Representative Director and President\nMr. Jiro Tatsuta was born on February 16, 1960, in Fukuoka Prefecture. He completed a master's degree at the Graduate School of Science and Engineering, University of Tsukuba, in March 1985. After joining Mitsubishi Metals (now Mitsubishi Materials) in April 1985, he served as General Manager of the Overseas Sales Department at the Sales Headquarters of our company from April 2008. He subsequently held presidential positions at SUMCO affiliated companies and has been serving as the company's Representative Director and Vice President since March 2022.","jir_financial_highlights":"Number of Shares Owned (New Representative Director and President Jiro Tatsuta): 14,600 shares (Unknown)\nScheduled Date of Change: 2026-03-27 (Unknown)\nChange of Representative Director and President: Toshihiro Awa \u2192 Jiro Tatsuta (Unknown)","jir_category":"","jir_hashtags":"#SUMCOCorporation, #executive_change, #JapaneseStocks","jir_key_figures":"Scheduled Date of Change: 2026-03-27\nNumber of Shares Owned by Newly Appointed Representative Director and President Jiro Tatsuta: 14,600 shares\nMr. Toshihiro Awa, Director and President, assumes the role of Full-time Advisor","jir_meta_title":"SUMCO Corporation Announces Change of Representative Director and President in March 2026","jir_meta_description":"SUMCO Corporation will change its Representative Director and President to Mr. Jiro Tatsuta effective March 27, 2026. Chairman and CEO Masayuki Hashimoto will become Director Advisor, and Mr. Toshihiro Awa will be appointed Full-time Advisor.","jir_og_title":"SUMCO Corporation Announces Change of Representative Director and President","jir_og_description":"Effective March 27, 2026, Mr. Jiro Tatsuta will take office as Representative Director and President. This is a significant personnel change aimed at strengthening the management structure.","jir_og_image_url":"\/assets\/og\/company-executive_change.jpg","jir_chart_data_collection":"[]","ir_related_company":7940,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"executive_change","footnotes":""},"sector":[],"importance":[],"class_list":["post-10143","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n