📋 Material Events 1086

SONY GROUP CORPORATION

6758 · ソニーグループ株式会社

Yoshida Kenichiro is stepping down as Representative Executive Officer (代表執行役) and will transition to the position of Director and Chairman (取締役 会長) effective March 31, 2026. The board of directors approved this management change at their February 5, 2026 meeting.

SCAT Inc.

3974 · SCAT株式会社

EPARK Co., Ltd. has newly qualified as a major shareholder of the filing company, with voting rights crossing the 10% threshold. The shareholder's voting rights increased from 9.99% (3,303 voting units) on November 13, 2025, to 10.08% (3,331 voting units) on November 14, 2025, triggering the obligation to file this extraordinary report.

Kitahama Capital Partners Co.,Ltd.

2134 · 燦キャピタルマネージメント株式会社

The company appointed Audit Corporation Usui Sakichi Office as a temporary auditor on June 27, 2025, due to the retirement of previous auditors Shibata Yō and Ōtaki Hideki upon completion of their terms at the 33rd Annual General Meeting of Shareholders. The new appointment ensures continuity of audit operations for the 34th fiscal year (April 1, 2025 - March 31, 2026) while the newly established audit corporation completes its registration under the Financial Instruments and Exchange Act.

Soken Chemical & Engineering Co.,Ltd.

4972 · 綜研化学株式会社

Axium Capital Pte. Ltd. increased its stake in the company from 9.99% to 10.19% of voting rights, crossing the 10% threshold for major shareholders. The stake increase of 325 voting rights occurred on January 27, 2026, and is reported based on a large shareholding report filed by the shareholder on February 3, 2026.

Chubu Steel Plate Co.,Ltd.

5461 · 中部鋼鈑株式会社

Shigematsu Kumio was promoted from Chairman (取締役会長) to Representative Director and Chairman (代表取締役会長) by board resolution on February 3, 2026. This represents an additional appointment of representative director authority, as he transitions from his previous role as Representative Director President (代表取締役社長) in June 2025.

NS TOOL CO.,LTD.

6157 · 日進工具株式会社

Solupti Corporation (株式会社ソルプティ) has become a major shareholder of the company, with its voting rights stake increasing from 9.76% to 10.00% as of February 3, 2026. The change in percentage is due to adjustments in total shareholder voting rights resulting from treasury stock transactions, including restricted stock awards and share acquisitions.

SPACE SHOWER SKIYAKI HOLDINGS INC.

4838 · 株式会社スペースシャワーネットワーク

The company announced a change in representative director status at a board meeting held on January 30, 2026. Tomohiro Okubo will transition from Representative Director and Co-President to Director and Vice President, effective April 1, 2026.

ELEMENTS, Inc.

5246 · 株式会社ELEMENTS

Yasuhiro Hisada, who has served as Representative Director and Chairman, will step down from his positions effective February 26, 2026, upon the conclusion of the company's 12th regular shareholders' meeting. The board of directors resolved on this management change at their February 3, 2026 meeting.

IHI Corporation

7013 · 株式会社IHI

Capital Research and Management Company has crossed the threshold to become a major shareholder of the company. The company's voting rights increased from 8.97% to 10.40% of total shareholder voting rights as of January 26, 2026, following a 7-for-1 stock split executed on October 1, 2025.

Techno Medica Co., Ltd.

6678 · 株式会社テクノメディカ

A change in major shareholder occurred following the completion of inheritance procedures on January 27, 2026. Masatomo Jitsuyoshi became the new major shareholder, increasing his voting rights from 2,253 shares (3.25%) to 11,416 shares (16.46%), succeeding the deceased major shareholder Shigeyuki Jitsuyoshi.

NSD CO.,LTD.

9759 · 株式会社NSD

The company announced the appointment of Hidetaka Kiwada as a new Representative Director (代表取締役) effective April 1, 2026, following a Board of Directors resolution on January 30, 2026. Kiwada will transition from his current position as Senior Executive Officer (専務執行役員) while maintaining his existing directorship, bringing extensive experience in advanced technology and innovation strategy.

NH Foods Ltd.

2282 · 日本ハム株式会社

The company announces a change in representative directors effective April 1, 2026. Maeda Fumio will assume the position of Representative Director and President, transitioning from his role as Senior Managing Executive Officer and Vice President. Ikawa Nobuhisa, the current Representative Director and President, will step down from the representative director position to become Chairman of the Board of Directors.

KYOCERA CORPORATION

6971 · 京セラ株式会社

The company announced a management transition effective April 1, 2026, in which Shiro Sakurajima will become the new Representative Director and President (CEO), while Hideo Ina will become Representative Director Vice Chairman. The incumbent CEO Hideo Tanamoto will step down from the Representative Director position and retire as a director at the June 2026 shareholder meeting.

TOKYO ELECTRON DEVICE LIMITED

2760 · 東京エレクトロンデバイス株式会社

The company's board of directors approved changes to representative director positions effective April 1, 2026. Tokushige Atsuyuki transitions from Representative Director President/CEO to Representative Director Chairman/CEO, while Miyamoto Takayoshi is promoted from Director to Representative Director President/CEO. Hasegawa Masami transitions from Representative Director Executive Vice President to Director.

MITSUBISHI MATERIALS CORPORATION

5711 · 三菱マテリアル株式会社

Silchester International Investors LLP, a major shareholder, has reduced its stake below the 10% threshold. The shareholding decreased from 133,525 voting rights (10.28% of total) as of January 13, 2026, to 117,466 voting rights (9.04% of total) as of January 28, 2026, resulting in the loss of major shareholder status.

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The company's Board of Directors resolved on January 29, 2026 to change the Representative Director (CEO). Hirofumi Kuwata, currently Senior Vice President and Chief Operating Officer, will be promoted to Representative Director and President effective April 1, 2026. Takashi Maruyama, the current Representative Director and President, will transition to the role of Chairman of the Board.

Electric Power Development Co., Ltd.

9513 · 電源開発株式会社

J-Power (Electric Power Development Co., Ltd.) announced a change in representative director effective April 1, 2026. Hideaki Kato will succeed Hitoshi Sugano as Representative Director and President. Sugano will transition to President Executive Officer role while Kato will assume the title of President and Representative Director.

Chugai Ro Co.,Ltd.

1964 · 中外炉工業株式会社

The company's Board of Directors resolved on January 30, 2026 to transition the representative director roles effective April 1, 2026. Akira Ozaki will move from Representative Director and President to Representative Director and Chairman, while Mamoru Sakata will be promoted from Director and Managing Executive Officer to Representative Director and President Executive Officer.

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The company announced a change in representative director (CEO equivalent) effective April 1, 2026. Yutaka Kaiyama will assume the position of Representative Director and President, replacing Noriyuki Hara who will transition to Chairman. The parent company MS&AD Insurance Group Holdings approved the succession on January 30, 2026.

Twenty-four seven Holdings Inc.

7074 · 株式会社トゥエンティーフォーセブン

The company has resolved to replace its accounting auditor firm effective February 26, 2026, at the 18th Annual Shareholders Meeting. Yamato Audit Corporation, whose term ends on that date, will be replaced by San-Yu Audit Corporation after comparative evaluation of audit implementation体制, audit policies, quality management, and audit fees.

Wacom Co.,Ltd.

6727 · 株式会社ワコム

The company's Audit Committee has resolved to change its statutory auditor effective at the conclusion of the 43rd Annual General Meeting of Shareholders scheduled for late June 2026. PwC Japan Limited Liability Audit Corporation, which has served since July 11, 2006, will be replaced by Deloitte Touche Tohmatsu LLC (Limited Liability Ayusa Audit Corporation). The change is based on consideration of the current auditor's tenure and evaluation of multiple audit firms' proposals.

Softbank Corp.

9434 · ソフトバンク株式会社

On January 29, 2026, the company announced a change in representative director effective April 1, 2026. Shinba Atsushi will transition from Representative Director, Vice President, Executive Officer and COO to Chairman of the Board of Directors.

NITTOC CONSTRUCTION CO.,LTD.

1929 · 日特建設株式会社

The company's Board of Directors resolved on January 30, 2026 to execute a leadership transition effective April 1, 2026. Naoto Kami will become Representative Director and President (CEO), while Fumihiko Kajita and Jun Yamazaki will be appointed as Representative Directors and Vice Presidents (COO and CMO respectively). Incumbent Representative Director and President Yasuo Wada will transition to Chairman of the Board.

Mitsui O.S.K. Lines, Ltd.

9104 · 株式会社商船三井

Toshinobu Shinoda resigned as Representative Director and Senior Executive Officer effective April 1, 2026. He will transition to the position of Director. The company filed this extraordinary report on January 30, 2026, following a board resolution regarding this executive change.

HIRANO TECSEED CO.,LTD.

6245 · 株式会社ヒラノテクシード

The company's Board of Directors resolved on January 26, 2026 to appoint Munenori Yasui as an additional Representative Director, effective February 1, 2026. Yasui was previously a Senior Managing Director and will transition to Representative Director, bringing 44 years of company tenure and experience managing production and quality safety operations.

Ajinomoto Co., Inc.

2802 · 味の素株式会社

The company announced changes to its representative executive officer (代表執行役) positions effective April 1, 2026. Shimo Hiroshi will be promoted to Representative Executive Vice President from his previous role as President of Ajinomoto Foods North America, while Sakaura Ichiro will be promoted to Representative Executive Managing Officer from Food Business Division Head. Shiraki Hiroshi will retire from his position as Representative Executive Vice President and Chief Innovation Officer.

ICHIKEN Co., Ltd.

1847 · 株式会社イチケン

The company's Board of Directors resolved on January 28, 2026 to transition leadership, with Shoji Masao (政清弘晃) being promoted from Senior Executive Officer to Representative Director and President effective April 1, 2026. Hiroyuki Hasegawa (長谷川博之), the current Representative Director and President, will transition to Chairman of the Board.

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KBC Group Holdings announced a change in representative director effective April 1, 2026. Manabu Shishido will assume the position of Representative Director and President, while Jiro Moriyama will step down from the CEO role to become a director. Shishido brings extensive experience from Asahi Shimbun Company and has been serving as director and executive assistant to the president at KBC Group.

JFE Holdings,Inc.

5411 · JFEホールディングス株式会社

The company's board of directors resolved on January 28, 2026 to change the representative director. Masashi Terahata will transition from Representative Director Vice President to Director (non-representative) effective April 1, 2026.

Hitachi, Ltd.

6501 · 株式会社日立製作所

Bliss Koch, the current Representative Executive Officer (代表執行役), will step down from this position effective March 31, 2026. He will transition to the role of Executive Vice President and President's Assistant, focusing on Connected Industries business operations. This management transition was approved by the Board of Directors on January 29, 2026.

ESTIC CORPORATION

6161 · 株式会社エスティック

Hirohide Suzuki became a major shareholder of the company, increasing his voting rights from 1,128 shares (1.13%) to 16,920 shares (16.98%) as of January 18, 2026. This change in major shareholder composition is reported pursuant to the Financial Instruments and Exchange Act Article 24-5(4) and related cabinet office regulations.

KUSHIKATSU TANAKA HOLDINGS CO.

3547 · 株式会社串カツ田中ホールディングス

Toshio Sakamoto resigned as Representative Director and President/CEO effective December 16, 2025, citing personal reasons. Keiji Kan, formerly Representative Director and Chairman, was promoted to Representative Director, Chairman and President to succeed him.

NEC Corporation

6701 · 日本電気株式会社

The company's board of directors resolved on January 29, 2026 to appoint Kunihiro Amemiya as Representative Executive Vice President and CFO, effective April 1, 2026, replacing Osamu Fujikawa who will transition to the role of Director Executive Vice President and COO, effective March 31, 2026. Amemiya brings 35 years of company tenure with extensive experience in financial solutions and business innovation divisions.

SUMITOMO CORPORATION

8053 · 住友商事株式会社

Kiyoshima Takayuki, currently serving as Representative Director and Senior Executive Officer in charge of the Corporate Group, will transition to the position of Director and President's Office on April 1, 2026. This change was resolved by the Board of Directors meeting held on January 29, 2026, and represents a stepping down from the representative director role.

HINO MORTORS,LTD.

7205 · 日野自動車株式会社

The company announces a management transition effective April 1, 2026, with Satiyakaam Arya appointed as new Representative Director and President, replacing Satoshi Ogikoso who is stepping down. Additionally, Naoki Sato is promoted from Director to Representative Director and Senior Managing Executive Officer, marking a significant leadership restructuring.

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Toshiyuki Konishi, Representative Director (代表取締役), will resign from his position effective March 1, 2026, as resolved by the bank's Board of Directors meeting on January 29, 2026. He will transition to a non-executive role as Senior Executive Officer (常務執行役員).

NAGAWA Co .,Ltd.

9663 · 株式会社ナガワ

The company announced a change in its Representative Director (CEO) effective April 1, 2026. Hamano Shindai will succeed Niimura Ryo as Representative Director and President, with Niimura transitioning to Senior Managing Director. The succession was approved at the Board of Directors meeting held on January 26, 2026.

KUREHA CORPORATION

4023 · 株式会社クレハ

The company's Board of Directors resolved on January 29, 2026 to change its representative directors effective April 1, 2026. Katsuhiro Natake will be promoted from Vice President (取締役副社長) to President and CEO (代表取締役社長 兼 CEO), while incumbent President Toyoshi Kobayashi will transition to Chairman (代表取締役会長).

SANKI ENGINEERING CO.,LTD.

1961 · 三機工業株式会社

The company's board of directors resolved on January 29, 2026 to implement executive changes effective April 1, 2026. Nagoya Kazuhiro will transition from Senior Managing Executive Officer to President and Representative Director, while current President Ishida Hirokazu will become Chairman and Representative Director. Hasegawa Tsutomu will retire as Chairman and Representative Director, remaining only as Director.

NIPPON FILCON CO.,LTD.

5942 · 日本フイルコン株式会社

The company's audit firm will be changed from Deloitte Touche Tohmatsu (有限責任監査法人トーマツ) to RSM Seiwa Audit Corporation (RSM清和監査法人) effective February 25, 2026, following the 126th Annual General Meeting of Shareholders. The change is motivated by the long tenure of the current auditor, increasing audit costs relative to company size, and to optimize audit resources and independence.

KAJIMA CORPORATION

1812 · 鹿島建設株式会社

On January 23, 2026, Hiromasa Amano, the Representative Director and President, passed away. On January 27, 2026, Shiiichi Oshimi, the former Representative Director and Chairman, assumed the position of Representative Director and Chairman concurrent with President.

GALA INCORPORATED

4777 · 株式会社ガーラ

The company's Board of Auditors resolved on January 28, 2026 to change its audit firm. The incumbent auditor, Ks Lab. Audit Corporation, will retire upon completion of its term at the 33rd Annual General Meeting of Shareholders scheduled for March 28, 2026. Aoi Audit Corporation has been selected as the new auditor, determined to be most suitable based on professional expertise, independence, quality management systems, audit capabilities, and fee reasonableness.

Hokuetsu Corporation

3865 · 北越コーポレーション株式会社

The company's Board of Directors resolved on January 27, 2026, to appoint Shigeru Wakamoto as Representative Director and President (CEO) and Chief Operating Officer (COO), effective April 1, 2026. Wakamoto transitions from his current position as Executive Vice President and Niigata Factory Director, bringing over 44 years of service including extensive experience in production technology and plant management.

MURAKI CORPORATION

7477 · ムラキ株式会社

The company reports a change in its major shareholders as of January 27, 2026. IKUYO Corporation (株式会社イクヨ) became a major shareholder with 2,500 voting rights (17.01% of total voting rights), while CYGNUS LLC (合同会社ＣＹＧＮＵＳ) ceased to be a major shareholder, relinquishing its 2,500 voting rights (17.01% stake).

KOMORI CORPORATION

6349 · 株式会社小森コーポレーション

Brandes Investment Partners, L.P., a major shareholder, reduced its shareholding from 54,248 shares (10.15%) to 48,314 shares (9.04%) as of January 19, 2026, falling below the 10% major shareholder threshold. This change is reported pursuant to the Financial Instruments and Exchange Act Article 24-5(4) and Cabinet Office Ordinance requirements for disclosure of corporate information.

ASIRO Inc.

7378 · 株式会社アシロ

Asset Value Investors Limited has become the new principal shareholder and major shareholder of the company, increasing its voting rights from 25.61% to 26.73% as of January 19, 2026. Simultaneously, Hirotaka Nakayama ceased to be the principal shareholder, though he retained his 25.72% voting stake. This change was reported pursuant to the Financial Instruments and Exchange Act Article 24-5(4).

YAMATO HOLDINGS CO.,LTD.

9064 · ヤマトホールディングス株式会社

Yamato Holdings announced a change in representative director leadership. Toshiyuki Sakurai will become the new Representative Director and President, while Toshikura Kurisu will transition from Representative Director to Chairman of the Board. The changes are scheduled to be formally approved at the 161st Ordinary General Meeting of Shareholders in June 2026.

Takasago Thermal Engineering Co., Ltd.

1969 · 高砂熱学工業株式会社

The company's Board of Directors resolved on January 22, 2026 to appoint Koji Kubota as the new Representative Director (代表取締役) effective April 1, 2026. Kubota, born August 14, 1961, will transition from his current position as Vice President Executive Officer and Director, bringing extensive operational experience including leadership of the Sales Division and R&D operations.

HANWA CO.,LTD.

8078 · 阪和興業株式会社

The company's Board of Directors resolved on January 27, 2026, to modify the position of Representative Director Yamamoto Hiroyuki. Yamamoto will transition from Representative Director Vice President Executive Officer to Director Vice President Executive Officer, effective March 31, 2026, while remaining on the board.

Nakanihon KOGYO CO.,Ltd.

9643 · 中日本興業株式会社

The company announced a management transition effective April 1, 2025, approved at an extraordinary board meeting on January 27, 2025. Toru Hattori transitions from Representative Director and President to Representative Director and Chairman, while Yoshiharu Takada is promoted from Executive Managing Director to Representative Director and President.