银座股份：山东省商业集团有限公司增持550.66万股（1.06%）股份

Group 1 - The core point of the article is that Shandong Commercial Group Co., Ltd., the controlling shareholder of Ginza Co., Ltd., has completed a share buyback plan, increasing its stake in the company [1] - The share buyback occurred between August 22, 2025, and February 13, 2026, with a total of 5.5066 million shares acquired, representing 1.06% of the company's total share capital [1] - Following the completion of the buyback, Shandong Commercial Group's ownership increased from 28.48% to 29.54%, while the combined stake with its concerted action parties reached 43.02% [1]