Sankyo updates on october share buyback program

Sankyo Co., Ltd. has released an update on its share repurchase activities for October 2025. The company repurchased 2,682,900 shares of common stock, amounting to 7,149,461,900 yen, through open-market purchases on the Tokyo Stock Exchange. This recent activity falls within the period of October 1, 2025, to October 31, 2025.

The ongoing share repurchase program, approved on May 12, 2025, authorizes the company to buy back up to 30m shares or up to 60bn yen. The repurchase period for this broader program extends from May 13, 2025, to March 31, 2026.

As of October 31, 2025, the cumulative number of shares repurchased under this resolution reached 19,514,100 shares, with an aggregate cost of 52,394,335,750 yen.