Canadian Solar (CSIQ) director discloses RSUs and shares on Form 3

Rhea-AI Filing Summary

Canadian Solar Inc. director Andrew Luen Cheung Wong has filed an initial statement of ownership. He reports direct holdings of 986 Common Shares and Restricted Share Units linked to 21,538 underlying Common Shares. The RSUs vest in multiple tranches from April 1, 2026 through January 1, 2029, and each unit converts into one Common Share upon vesting.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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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)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

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

3a. Foreign Trading Symbol

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Share	986	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Unit	(1)	(1)	Common Share	21,538	(2)	D

Explanation of Responses:

1. Includes (i) 770 unvested RSUs, which will vest on April 1, 2026; (ii) 809 unvested RSUs, which will vest on July 1, 2026; (iii) 1,203 unvested RSUs, which will vest on October 1, 2026, (iv) 1,157 unvested RSUs, which will vest on January 1, 2027; (v) 1,602 unvested RSUs, which will vest on April 1, 2027; (vi) 1,953 unvested RSUs, which will vest on July 1, 2027; (vii) 1,955 unvested RSUs, which will vest on October 1, 2027; (viii) 2,629 unvested RSUs, which will vest on January 1, 2028; (ix) 3,180 unvested RSUs, which will vest on April 1, 2028; (x) 2,731 unvested RSUs, which will vest on July 1, 2028; (xi) 2,303 unvested RSUs, which will vest on October 1, 2028; and (xii) 1,246 unvested RSUs, which will vest on January 1, 2029.

2. Each RSU represents a contingent right to receive one share of the Issuer's Common Share upon vesting.

	/s/ Andrew (Luen Cheung) Wong	03/18/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does Canadian Solar (CSIQ) director Andrew Wong report on this Form 3?

Andrew Luen Cheung Wong reports his initial ownership in Canadian Solar. He directly holds 986 Common Shares and Restricted Share Units tied to 21,538 underlying Common Shares, establishing his baseline equity position as a director at the company.

How many Canadian Solar (CSIQ) RSUs does Andrew Wong beneficially own?

Andrew Luen Cheung Wong reports Restricted Share Units linked to 21,538 underlying Common Shares. These RSUs represent a contingent right to receive one Common Share per unit when the awards vest according to their scheduled dates between 2026 and 2029.

What is the vesting schedule of Andrew Wong’s RSUs at Canadian Solar (CSIQ)?

His RSUs vest in multiple tranches from April 1, 2026, through January 1, 2029. Specific vesting dates include April 1, July 1, October 1, and January 1 in successive years, gradually converting units into Common Shares over time.

How many Canadian Solar (CSIQ) Common Shares does Andrew Wong hold directly?

Andrew Luen Cheung Wong reports direct ownership of 986 Common Shares. This is separate from his Restricted Share Units, which are contingent awards that will convert into additional Common Shares as they vest according to the disclosed schedule.

What does each Restricted Share Unit represent for Canadian Solar (CSIQ)?

Each Restricted Share Unit represents a contingent right to receive one Common Share of Canadian Solar. The units convert into Common Shares only when they vest, aligning the director’s compensation with the company’s long-term equity performance.

Is this Canadian Solar (CSIQ) Form 3 a buy or sell transaction?

This Form 3 does not report any buy or sell transactions. It is an initial statement of beneficial ownership, showing Andrew Luen Cheung Wong’s existing Common Shares and Restricted Share Units rather than new market purchases or sales.