Tokyo-listed Bitcoin treasury firm Metaplanet Inc. (TSE: 3350) announced on 11 September 2026 that its board of directors resolved to reduce the potential share pool under its 10th Series Stock Acquisition Rights by 41.1%, from 319,464,000 to 188,190,000 shares, following a range of feedback from shareholders and capital market participants. Chief executive Simon Gerovich signed the notice on behalf of the company.