Form 4 Filing for Canadian Solar Inc. - Officer Stock Options

This filing concerns a Form 4 submitted by Qu Shawn Xiaohua, Chief Technology Officer, Director, and 10% owner of Canadian Solar Inc. The filing reports on the transaction of stock options to acquire common stock. The transaction date was May 6, 2026, with a post-transaction share count of 7,512. The options have an exercise price of $9.328 and an expiration date of May 20, 2027. The filing notes that this report is being submitted late due to an inadvertent administrative error. The options, totaling 7,512, vested in increments from May 20, 2012, to May 20, 2015.