Canadian Solar CTO Shawn Qu's Stock Transactions and RSU Vesting

This Form 4 filing reports transactions by Canadian Solar Inc. Chief Technology Officer Shawn (Xiaohua) Qu on May 26, 2026. Qu, who is also a director and 10% owner, received 4,980 shares of common stock through the vesting of restricted share units (RSUs) at $0.00 per share, increasing his direct holdings to 13,789,130 shares. Simultaneously, he disposed of 4,980 RSUs following their conversion to common stock. Additionally, Qu sold 6 shares of common stock at $19.4516 per share, reducing his direct holdings to 13,789,124 shares. The filing also reports indirect ownership of 275,935 shares held by his spouse. The RSUs have no expiration date, and these transactions represent routine equity compensation activity for a senior executive.