Canadian Solar director receives 2,716-unit stock grant

The reported resulting position after the award was 25,621 restricted share units.

Rhea-AI Filing Summary

Canadian Solar Inc. director Leslie Li Hsien Chang acquired 2,716 restricted share units on October 12, 2026. The award has a deemed grant date of October 1, 2026, and the RSUs have no expiration date. The reported resulting position was 25,621 restricted share units.

Insider Trade Summary

Grant/Award: 2,716 shares

Grant/Award 1 txn

Insider Chang Leslie Li Hsien

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Share Units F1, F2	2,716	$0.00	$0.00

Holdings After Transaction: Restricted Share Units — 25,621 contracts (Direct)

Footnotes (2)

1. F1. The transaction reported herein was effected on October 12, 2026. For purposes of the applicable award terms, the award has a deemed grant date of October 1, 2026.
2. F2. These RSUs have no expiration date.

Key Figures

Restricted share units acquired: 2,716 restricted share units Resulting restricted share unit position: 25,621 restricted share units Exercise date: October 1, 2029

3 metrics

Restricted share units acquired 2,716 restricted share units Award reported on October 12, 2026

Resulting restricted share unit position 25,621 restricted share units Following the reported award

Exercise date October 1, 2029 Date listed for the RSUs

Key Terms

Restricted Share Units, deemed grant date, expiration date

3 terms

Restricted Share Units technical

"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.

deemed grant date technical

"the award has a deemed grant date of October 1, 2026"

expiration date technical

"These RSUs have no expiration date"

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

FAQ

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

How many RSUs did CSIQ director Leslie Li Hsien Chang receive?

Leslie Li Hsien Chang acquired 2,716 restricted share units on October 12, 2026. The reported resulting position was 25,621 restricted share units.

What exercise date is listed for Leslie Li Hsien Chang's CSIQ RSUs?

The RSUs have an exercise date listed as October 1, 2029.

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

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Available on EDGAR 10/14/2026 - 09:16 AM EDT Accepted by SEC EDGAR 10/14/2026 - 09:16 AM EDT 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^*

Chang Leslie Li Hsien

(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)
10/12/2026

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

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	10/12/2026(1)		A		2,716		10/01/2029	(2)	Common Stock	2,716	$0.00	25,621	D

Explanation of Responses:

1. The transaction reported herein was effected on October 12, 2026. For purposes of the applicable award terms, the award has a deemed grant date of October 1, 2026.

2. These RSUs have no expiration date.

	/s/ Leslie Chang	10/14/2026
	** 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)