Idemitsu Kosan resolved at the Board of Directors meeting on May 12, 2026, to acquire treasury stock up to 25 billion yen and cancel all shares. The acquisition period is from November 12, 2026, to March 11, 2027, and the shares acquired will be canceled by March 31, 2027.<\/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":"5019","jir_company_name":"Idemitsu Kosan Co., Ltd.","jir_importance":"\u2605\u2605\u2605\u2605\u2606","jir_publication_date":"2026-05-12","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/05\/5019-20260512-04.pdf","jir_short_summary":"Idemitsu Kosan resolved at the Board of Directors meeting on May 12, 2026, to acquire treasury stock up to 25 billion yen and cancel all shares. The acquisition period is from November 12, 2026, to March 11, 2027, and the shares acquired will be canceled by March 31, 2027.","jir_summary":"### Overview of Capital Policy\nIdemitsu Kosan resolved at the Board of Directors meeting on May 12, 2026, to acquire treasury stock up to 25 billion yen and cancel all shares. The acquisition will be conducted on the market from November 12, 2026, to March 11, 2027. This aims to strengthen shareholder returns and improve capital efficiency. The acquired shares are scheduled for cancellation on March 31, 2027, bringing the total treasury stock holdings to 8,386,090 shares as of now.\n\n### Impact on Investors and Future Outlook\nThis share buyback and cancellation is positioned as part of shareholder return policies, designed to suppress share dilution and support stable or rising stock prices. Based on the medium-term management plan, Idemitsu Kosan will continue to prioritize financial soundness and shareholder returns, promoting appropriate capital policies. The company intends to flexibly adjust capital measures in response to market trends and performance.","jir_financial_highlights":"Share Buyback Amount: 25 billion yen (New Resolution)\nMaximum Number of Shares to Acquire: 25,000,000 shares (New Resolution)\nTreasury Stock Holdings (as of April 30, 2026): 8,386,090 shares (Unknown)","jir_category":"","jir_hashtags":"#IdemitsuKosan, #ShareBuyback, #CapitalPolicy","jir_key_figures":"Share Buyback Amount: 25 billion yen\nMaximum Number of Shares to Acquire: 25,000,000 shares\nTreasury Stock Holdings (as of April 30, 2026): 8,386,090 shares","jir_meta_title":"\u3010Idemitsu Kosan\u3011Share Buyback and Cancellation | May 2026","jir_meta_description":"Idemitsu Kosan resolved to acquire and cancel treasury stock on May 12, 2026. Plans include market purchase up to 25 billion yen. Aiming to enhance shareholder returns.","jir_og_title":"\u3010Idemitsu Kosan\u3011Share Buyback and Cancellation | May 2026","jir_og_description":"Idemitsu Kosan has resolved to acquire treasury stock for 25 billion yen and cancel all shares. An important capital policy to enhance shareholder returns and capital efficiency.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":7436,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"share_buyback","footnotes":""},"sector":[],"importance":[],"class_list":["post-48181","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n