Canadian Solar director exercises RSUs, covers taxes

Canadian Solar Inc. director Harry E. Ruda reported routine equity compensation activity involving restricted share units (RSUs).

Rhea-AI Filing Summary

Canadian Solar Inc. director Harry E. Ruda reported routine equity compensation activity involving restricted share units (RSUs). On July 2, 2026, RSUs covering 809 shares were exercised into common stock at a stated price of $0.00 per share, reflecting a vesting event rather than a market purchase.

To cover related tax obligations, 493 common shares were disposed of through a tax-withholding transaction at $15.69 per share. After these transactions, Ruda directly held 45,998 shares of Canadian Solar common stock. A footnote clarifies that these RSUs have no expiration date, underscoring their nature as long-term equity awards.

Insider Trade Summary

809 shares exercised/converted

Exercise 3 txns

Insider Ruda Harry E

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Share Units	809	$0.00	$0.00
Exercise	Common Stock	809	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	493	$15.69	$8K

Holdings After Transaction: Restricted Share Units — 22,159 contracts (Direct); Common Stock — 45,998 shares (Direct)

Footnotes (1)

1. F1. These RSUs have no expiration date.

Key Figures

RSUs exercised: 809 shares Tax-withholding shares: 493 shares Tax-withholding price: $15.69 per share +2 more

5 metrics

RSUs exercised 809 shares Restricted Share Units converted into common stock on July 2, 2026

Tax-withholding shares 493 shares Common stock used to satisfy tax obligations on July 2, 2026

Tax-withholding price $15.69 per share Price for 493-share tax-withholding disposition

Shares held after transactions 45,998 shares Director’s direct common stock ownership following Form 4 transactions

RSU exercise price $0.00 per share Stated price for RSU-to-common-stock conversion

Key Terms

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

4 terms

Restricted Share Units financial

"security_title: "Restricted Share Units" with underlying security titled "Common Stock""

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" for 493 common shares"

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" describing the RSU transaction"

Exercise or conversion of derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

FAQ

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

What insider transactions did Canadian Solar (CSIQ) director Harry E. Ruda report?

Harry E. Ruda reported the vesting and exercise of restricted share units into 809 Canadian Solar common shares and a related tax-withholding disposition of 493 shares. These actions are compensation-related, not open-market buying or selling of stock.

Did Harry E. Ruda buy or sell Canadian Solar (CSIQ) shares on the open market?

The filing shows no open-market buys or sells. It reports RSU exercise into 809 common shares and a tax-withholding disposition of 493 shares, where shares are delivered to cover tax liabilities rather than sold at the insider’s discretion.

How many Canadian Solar (CSIQ) shares does Harry E. Ruda hold after these transactions?

Following the reported RSU exercise and tax-withholding disposition, Harry E. Ruda directly holds 45,998 Canadian Solar common shares. This figure reflects his updated ownership position after the compensation-related equity transactions recorded in the Form 4 filing.

What was the size of the tax-withholding disposition reported for Canadian Solar (CSIQ)?

The tax-withholding disposition involved 493 Canadian Solar common shares at a transaction price of $15.69 per share. This type of transaction uses shares to satisfy tax obligations tied to equity awards, rather than representing a traditional market sale.

What are the key details of the restricted share unit activity for Canadian Solar (CSIQ)?

Restricted share units covering 809 underlying Canadian Solar common shares were exercised into stock at a stated price of $0.00 per share. A footnote notes these RSUs have no expiration date, emphasizing their role as long-term equity compensation for the director.

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

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Accepted by SEC EDGAR 07/06/2026 - 09:21 AM 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^*

Ruda Harry E

(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)
07/02/2026

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	07/02/2026		M		809	A	$0.00	46,491	D
Common Stock	07/02/2026		F		493	D	$15.69	45,998	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	07/02/2026		M			809	07/01/2026	(1)	Common Stock	809	$0.00	22,159	D

Explanation of Responses:

1. These RSUs have no expiration date.

	/s/ Harry Eugen Ruda	07/06/2026
	** 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)