Canadian Solar CTO awarded 18,892 RSUs

Qu Shawn Xiaohua reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Qu Shawn Xiaohua reported acquisition or exercise transactions in this Form 4 filing.

Canadian Solar Inc. reported that Chief Technology Officer and 10% owner Shawn Xiaohua Qu received an award of 18,892 Restricted Share Units, each corresponding to one share of common stock. The RSUs, deemed granted on May 6, 2026, vest in three approximately equal annual installments beginning May 6, 2027, have no expiration date, and increase his directly held RSU balance to 54,349.

Insider Trade Summary

Grant/Award: 18,892 shares

Grant/Award 1 txn

Insider Qu Shawn Xiaohua

Role Chief Technology Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Share Units F1, F2, F3	18,892	$0.00	$0.00

Holdings After Transaction: Restricted Share Units — 54,349 contracts (Direct)

Footnotes (3)

1. F1. The transaction reported herein was effected on July 9, 2026, following completion of the Company's internal approval process. For purposes of the applicable award terms, the award has a deemed grant date of May 6, 2026.
2. F2. The RSUs will vest in three approximately equal annual installments beginning on May 6, 2027.
3. F3. These RSUs have no expiration date.

Key Figures

RSUs granted: 18,892 units Total RSUs after grant: 54,349 units Vesting schedule: 3 annual installments +2 more

5 metrics

RSUs granted 18,892 units Restricted Share Units awarded to CTO and 10% owner Shawn Xiaohua Qu on July 9, 2026 (deemed grant date May 6, 2026)

Total RSUs after grant 54,349 units Directly held Restricted Share Units following the award to Shawn Xiaohua Qu

Vesting schedule 3 annual installments RSUs vest in three approximately equal annual installments beginning May 6, 2027

Grant price per RSU $0.0000 per unit Recorded price per Restricted Share Unit for this compensation grant

Deemed grant date May 6, 2026 Date used for the applicable RSU award terms

Key Terms

Restricted Share Units, deemed grant date, vest, expiration date

4 terms

Restricted Share Units financial

"Security title reported as Restricted Share Units for the award"

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 financial

"the award has a deemed grant date of May 6, 2026"

vest financial

"The RSUs will vest in three approximately equal annual installments"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

expiration date financial

"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.

What insider equity award did Canadian Solar (CSIQ) grant to Shawn Xiaohua Qu?

Canadian Solar granted Chief Technology Officer and 10% owner Shawn Xiaohua Qu 18,892 Restricted Share Units, each representing one common share. This award increases his directly held RSU balance to 54,349 units, reflecting additional equity-based compensation rather than an open-market share purchase.

When is the deemed grant date and transaction date for Shawn Xiaohua Qu’s CSIQ RSUs?

The RSU award to Shawn Xiaohua Qu has a deemed grant date of May 6, 2026, used for the award terms. The transaction was effected on July 9, 2026, following completion of Canadian Solar’s internal approval process for this compensation grant.

What is the vesting schedule of the 18,892 RSUs granted by Canadian Solar (CSIQ)?

The 18,892 RSUs granted to Shawn Xiaohua Qu will vest in three approximately equal annual installments beginning on May 6, 2027. This structure staggers settlement of the units over three years, aligning the award with ongoing service and long-term incentives.

Do the CSIQ RSUs granted to Shawn Xiaohua Qu have an expiration date or exercise price?

The filing states that these RSUs have no expiration date. They are recorded with a grant price of $0.0000 per unit, consistent with a stock-based compensation award rather than a traditional stock option requiring payment of an exercise price.

How many Canadian Solar (CSIQ) RSUs does Shawn Xiaohua Qu hold after this award?

Following the award, Shawn Xiaohua Qu directly holds 54,349 Restricted Share Units. This total includes the new grant of 18,892 RSUs and represents his outstanding RSU-based right to receive an equivalent number of Canadian Solar common shares over time, subject to vesting.

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

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Accepted by SEC EDGAR 07/14/2026 - 06:02 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^*

Qu Shawn Xiaohua

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/09/2026

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	07/09/2026(1)		A		18,892		(2)	(3)	Common Stock	18,892	$0.00	54,349	D

Explanation of Responses:

1. The transaction reported herein was effected on July 9, 2026, following completion of the Company's internal approval process. For purposes of the applicable award terms, the award has a deemed grant date of May 6, 2026.

2. The RSUs will vest in three approximately equal annual installments beginning on May 6, 2027.

3. These RSUs have no expiration date.

Remarks:

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

	/s/ Shawn (Xiaohua) Qu	07/14/2026
	** 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)