Canadian Solar CSIQ Insider Ownership

Updated Oct 16, 2026

In the last 12 months, insiders at Canadian Solar made open-market sales of $62,989 (3.52K shares) and bought no shares on the open market.

• Behind Canadian Solar's open-market sales in the past 12 months were 2 insiders, and no insider bought.
• Leslie Li Hsien Chang (Director) led open-market sales of Canadian Solar stock over the past 12 months with $34,371 (1.77K shares), most recently on May 26, 2026.
• Apart from open-market trades, CSIQ insiders acquired 61.61K shares through option exercises and conversions and gave up 7.24K shares to cover taxes or exercise prices in the past 12 months.
• Business Quant data shows Canadian Solar insiders holding 14.03Mn shares in total in their latest Form 4 filings, up 0.07% from 14.02Mn shares at the end of Q2 2026.
• By type of ownership, CSIQ insiders hold all of their 14.03Mn shares directly.
• CSIQ's insider total is spread across 9 insiders who have filed a Form 4 in the past two years.
• CSIQ's three largest insider shareholders, per their latest Form 4 filings, are Shawn Xiaohua Qu (Chief Technology Officer, 13.79Mn shares), Xinbo Zhu (Chief Financial Officer, 150.84K shares) and Harry E. Ruda (Director, 46.47K shares).
• Shawn Xiaohua Qu alone accounts for 98.29% of the shares held by Canadian Solar insiders.
• Institutional holders reported 60.48% of Canadian Solar's outstanding shares for Q2 2026; insiders' latest Form 4 filings put their stake at about 20.82%, and other investors, including the public, hold the remaining 18.70%.
• A total of 43 Form 4 filings with transactions in Canadian Solar stock were made over the past 12 months, by 11 insiders.
• Insider figures for CSIQ include Form 4 filings through October 14, 2026.