Shawn Xiaohua Qu - 06 May 2026 Form 4 Insider Report for Canadian Solar Inc. (CSIQ)

Reporting relationship: Chief Technology Officer, Director, 10%+ Owner
Issuer ticker: CSIQ
Reported as of: 06 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 May 2026, 21:50:59 UTC
Prior SEC filing: 06 Apr 2026
Next SEC filing: 14 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Shawn (Xiaohua) Qu

Key filing fact

Shawn Xiaohua Qu filed Form 4 for Canadian Solar Inc. (CSIQ) on 27 May 2026.

Key facts

This page summarizes Shawn Xiaohua Qu's Form 4 filing for Canadian Solar Inc. (CSIQ).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 27 May 2026, 21:50.

Change

Previous filing in this sequence was filed on 06 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001389641 Primary reporting owner

Qu Shawn Xiaohua

Relationship: Chief Technology Officer, Director, 10%+ Owner
Address: C/O CANADIAN SOLAR INC,, 4273 KING STREET EAST, SUITE 102, KITCHENER, ONTARIO, CANADA
Signature: /s/ Shawn (Xiaohua) Qu
Signature date: 27 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CSIQ transaction Derivative

Stock Options (Right to Buy)

Other

Transaction value
Shares: +7,512
Change %
Price: $0.000000^*
Shares after: 7,512
Date: 06 May 2026
Ownership: By Spouse
Underlying class: Common Stock
Underlying amount: 7,512
Exercise price: $9.33
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Includes 7,512 stock options, of which 1,878, 1,878, 1,878 and 1,878 became fully vested and exercisable on May 20, 2012, 2013, 2014 and 2015, respectively.

Footnote F2

Option expiration date extended from May 20, 2026 to May 20, 2027. No other changes were made to the grant.

SEC remarks

This Form 4 is being filed late due to inadvertent administrative error.