Canadian Solar counsel exercises RSUs, shares withheld

Canadian Solar Inc. Lead General Counsel Chen Yu (Kang) reported routine equity compensation transactions.

Rhea-AI Filing Summary

Canadian Solar Inc. Lead General Counsel Chen Yu (Kang) reported routine equity compensation transactions. On May 13, 2026, she exercised 2,711 Restricted Share Units into an equal number of common shares at a stated price of $0.00 per share, reflecting vesting rather than a market purchase.

In connection with this, 898 common shares were disposed of as a tax-withholding payment, not an open-market sale, at a reported price of $19.83 per share. After these transactions, she directly holds 4,359 common shares of Canadian Solar and 11,946 RSUs, which the filing notes have no expiration date.

Insider Trade Summary

2,711 shares exercised/converted

Exercise 3 txns

Insider Chen Yu (Kang)

Role Lead General Counsel

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units	2,711	$0.00	$0.00
Exercise	Common Stock	2,711	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	898	$19.83	$18K

Holdings After Transaction: Restricted Share Units — 11,946 contracts (Direct); Common Stock — 4,359 shares (Direct)

Footnotes (1)

1. F1. These RSUs have no expiration date.

Key Figures

RSUs exercised: 2,711 units Tax-withholding shares: 898 shares Tax-withholding price: $19.83 per share +3 more

6 metrics

RSUs exercised 2,711 units Restricted Share Units converted into common stock on May 13, 2026

Tax-withholding shares 898 shares Common shares used to satisfy tax liability at $19.83 per share

Tax-withholding price $19.83 per share Value applied to 898 shares for tax-withholding disposition

Common shares held 4,359 shares Direct common stock ownership after transactions

Common shares after exercise 5,257 shares Direct holdings immediately after RSU exercise, before tax withholding

RSUs remaining 11,946 units Restricted Share Units held after exercising 2,711 units

Key Terms

Restricted Share Units, tax-withholding disposition, derivative exercise/conversion, derivative security

4 terms

Restricted Share Units financial

"security_title: "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.

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

derivative exercise/conversion financial

"transaction_action: "derivative exercise/conversion""

derivative security financial

"transaction_code_description: "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.

FAQ

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

What insider transaction did Canadian Solar (CSIQ) report for Chen Yu (Kang)?

Canadian Solar’s lead general counsel Chen Yu (Kang) exercised 2,711 Restricted Share Units into common stock and had 898 shares withheld to cover taxes. These are routine compensation-related transactions rather than open-market buying or selling activity.

How many Canadian Solar shares does Chen Yu (Kang) hold after this Form 4 filing?

After the reported transactions, Chen Yu (Kang) directly holds 4,359 shares of Canadian Solar common stock. This reflects her position following the RSU exercise and the separate tax-withholding share disposition on May 13, 2026.

Were any of Chen Yu (Kang)’s Canadian Solar shares sold on the open market?

The filing shows no open-market sales. Instead, 898 common shares were used to satisfy tax obligations, classified as a tax-withholding disposition, which is a standard mechanism tied to equity compensation rather than discretionary selling.

How many Restricted Share Units does Chen Yu (Kang) still have at Canadian Solar?

Following the exercise of 2,711 Restricted Share Units, Chen Yu (Kang) has 11,946 RSUs remaining. The footnote explains these RSUs have no expiration date, indicating they continue to represent potential future common share deliveries.

What prices were reported in Chen Yu (Kang)’s Canadian Solar Form 4 transactions?

The RSU conversion into common stock is reported at $0.00 per share, reflecting a vesting event, while the 898 shares used for tax withholding are shown at $19.83 per share, which is the price used for that tax-related share disposition.

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

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Accepted by SEC EDGAR 05/14/2026 - 08:15 PM 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^*

Chen Yu (Kang)

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026

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	05/13/2026		M		2,711	A	$0.00	5,257	D
Common Stock	05/13/2026		F		898	D	$19.83	4,359	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	05/13/2026		M			2,711	05/12/2026	(1)	Common Stock	2,711	$0.00	11,946	D

Explanation of Responses:

1. These RSUs have no expiration date.

	/s/ Yu Chen	05/14/2026
	** 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)