Announces plan to acquire 5,000,000 shares of\u30bb\u30eb\u30bd\u30fc\u30b9\u682a\u5f0f (25.24% of total voting rights). Also notes a shareholder change to Serial Incubator Co., Ltd., with Masayuki Yamakawa, the representative director, serving as head of a long-term-owned asset management company. Change date: 2026-09-09.<\/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":"4880","jir_company_name":"Serial Incubator Co., Ltd.","jir_importance":"\u2605\u2605\u2605\u2605\u2606","jir_publication_date":"2026-09-09","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/09\/4880-20260909-01.pdf","jir_short_summary":"Announces plan to acquire 5,000,000 shares of\u30bb\u30eb\u30bd\u30fc\u30b9\u682a\u5f0f (25.24% of total voting rights). Also notes a shareholder change to Serial Incubator Co., Ltd., with Masayuki Yamakawa, the representative director, serving as head of a long-term-owned asset management company. Change date: 2026-09-09.","jir_summary":"### Overview of the Change\nAs of September 9, 2026, a partial transfer of major shareholders to Serial Incubator Co., Ltd. is expected. As Masayuki Yamakawa will transfer his held shares to the company, there will be changes to the composition of the top shareholders, major shareholders, and other related entities.\n\n### Acquisition of\u30bb\u30eb\u30bd\u30fc\u30b9 Inc. Shares\nWe plan to acquire 5,000,000 shares of\u30bb\u30eb\u30bd\u30fc\u30b9 Inc., representing 25.24% of total voting rights, on September 9, 2026. The acquisition falls under a buying-in action that requires disclosure under the Financial Instruments and Exchange Act.","jir_financial_highlights":"Acquired number of shares: 5,000,000 \u682a (Unknown)\nProportion of total voting rights: 25.24\uff05 (Unknown)","jir_category":"","jir_hashtags":"#\u30bb\u30eb\u30bd\u30fc\u30b9\u682a\u5f0f\u53d6\u5f97, #\u4e3b\u8981\u682a\u4e3b\u7570\u52d5, #\u8cb7\u96c6\u3081\u884c\u70ba","jir_key_figures":"Acquired number of shares: 5,000,000 \u682a\nProportion of total voting rights: 25.24\uff05\nChange date: 2026-09-09","jir_meta_title":"\u3010Serial Incubator Co., Ltd.\u3011Notice of Major Shareholder Change and\u30bb\u30eb\u30bd\u30fc\u30b9 Share Acquisition\uff5cSeptember 2026","jir_meta_description":"Serial Incubator Co., Ltd. notifies a change in major shareholders and plans to acquire 5,000,000 shares of\u30bb\u30eb\u30bd\u30fc\u30b9 (25.24%). This is a long-term ownership initiative with unclear direct impact on management.","jir_og_title":"\u3010Serial Incubator Co., Ltd.\u3011Notice of Major Shareholder Change and\u30bb\u30eb\u30bd\u30fc\u30b9 Share Acquisition","jir_og_description":"Details of the change in major shareholders and\u30bb\u30eb\u30bd\u30fc\u30b9 share acquisition. Summary of acquired shares, shareholding ratio, and potential future impact.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":59237,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"tender_offer","footnotes":""},"sector":[],"importance":[],"class_list":["post-111792","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n