Canadian Solar director acquires 1,203 common shares

A director's reported position after the transaction was 22,905 restricted share units, and 5 common shares were delivered or withheld for payment.

Rhea-AI Filing Summary

Canadian Solar Inc. (CSIQ) director Andrew Luen Cheung Wong reported an exercise of 1,203 restricted share units dated October 2, 2026, and acquired 1,203 common shares in transactions dated October 6, 2026. He also reported 5 common shares delivered or withheld for payment of exercise price or tax liability; the reported per-share amount for those shares was $11.5382. His directly held position following the transaction was 22,905 restricted share units.

Insider Trade Summary

1,203 shares exercised/converted

Exercise 3 txns

Insider Wong Andrew Luen Cheung

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units F1	1,203	$0.00	$0.00
Exercise	Common Stock	1,203	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	5	$11.5382	$57.69

Holdings After Transaction: Restricted Share Units — 22,905 contracts (Direct); Common Stock — 2,003 shares (Direct)

Footnotes (1)

1. F1. These RSUs have no expiration date.

Key Figures

Restricted share units exercised: 1,203 restricted share units Common shares acquired: 1,203 shares Shares delivered or withheld: 5 common shares +2 more

5 metrics

Restricted share units exercised 1,203 restricted share units Exercise date: October 2, 2026

Common shares acquired 1,203 shares Transactions dated October 6, 2026

Shares delivered or withheld 5 common shares For payment of exercise price or tax liability

Reported per-share amount $11.5382 per share 5 common shares delivered or withheld for payment of exercise price or tax liability

Restricted share units following transaction 22,905 restricted share units Directly held position

Key Terms

Restricted Share Units, derivative security, exercise price or tax liability

3 terms

Restricted Share Units financial

"Restricted Share Units"

Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

exercise price or tax liability financial

"Payment of exercise price or tax liability"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many CSIQ shares did director Andrew Luen Cheung Wong acquire?

Andrew Luen Cheung Wong acquired 1,203 common shares in transactions dated October 6, 2026, following an exercise of 1,203 restricted share units dated October 2, 2026.

Do Andrew Luen Cheung Wong's Canadian Solar restricted share units have an expiration date?

The restricted share units in the reported transaction have no expiration date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 10/07/2026 - 04:04 PM Accepted by SEC EDGAR 10/07/2026 - 04:03 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wong Andrew Luen Cheung

(Last) (First) (Middle)

C/O CANADIAN SOLAR INC,

4273 KING STREET EAST, SUITE 102

(Street)

KITCHENER N2P 2E9

(City) (State) (Zip)

ONTARIO, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
Canadian Solar Inc. [ CSIQ ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/06/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/06/2026		M		1,203	A	$0.00	2,008	D
Common Stock	10/06/2026		F		5	D	$11.5382	2,003	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	$0.00	10/06/2026		M			1,203	10/02/2026	(1)	Common Stock	1,203	$0.00	22,905	D

Explanation of Responses:

1. These RSUs have no expiration date.

	/s/ Andrew (Luen Cheung) Wong	10/07/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)