The Capital Efficiency Signal: A Buyback Is Not Over Until the Shares Are Gone
On August 4, 2026, Mitsui & Co. resolved to repurchase up to 60 million of its own shares, for up to ¥200 billion, between August 5, 2026 and January 29, 2027. That much is an ordinary buyback. What made the resolution unusual came next in the same document: the board also resolved to cancel every share it buys, and named the date — February 5, 2027. Seven days after the buying stops, the shares stop existing. The stated reason was "to enhance shareholder returns and to improve capital efficiency." Eight days later, a Korean listed company disclosed that it was terminating a ₩10bn treasury share acquisition trust ahead of schedule, because the buying was complete. The 656,972 shares acquired under it would be delivered into the corporate securities account. Treasury holdings before termination stood at 1,342,123 shares — 8.19% of the 16,393,260 shares outstanding. Nowhere is there a cancellation date. Five days earlier, another Korean issuer resolved to buy ₩6bn and sai...