Canadian Solar (CSIQ) CFO discloses 139,890 shares and 34,288 RSUs

Rhea-AI Filing Summary

Canadian Solar Inc. filed an initial insider ownership report for Chief Financial Officer Zhu Xinbo. The filing shows direct ownership of 139,890 Common Shares.

It also reports Restricted Share Units covering 34,288 underlying Common Shares. These include 1,541 unvested RSUs vesting on May 23, 2026; 1,897 unvested RSUs vesting in two approximately equal annual installments beginning on May 23, 2026; 9,163 unvested RSUs vesting in three approximately equal annual installments beginning on May 20, 2026; and 21,687 unvested RSUs vesting in four approximately equal annual installments beginning on May 12, 2026. Each RSU represents a contingent right to receive 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^*

Zhu Xinbo

(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)

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

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	139,890	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	34,288	(2)	D

Explanation of Responses:

1. Includes (i) 1,541 unvested RSUs, which will vest on May 23, 2026; (ii) 1,897 unvested RSUs, which will vest in two approximately equal annual installments beginning on May 23, 2026; (iii) 9,163 unvested RSUs, which will vest in three approximately equal annual installments beginning on May 20, 2026, and (iv) 21,687 unvested RSUs, which will vest in four approximately equal annual installments beginning on May 12, 2026.

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

	/s/ Xinbo Zhu	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) CFO Zhu Xinbo report on this Form 3?

Canadian Solar CFO Zhu Xinbo reports his initial beneficial ownership. He directly holds 139,890 Common Shares and Restricted Share Units tied to 34,288 underlying Common Shares, providing a baseline view of his equity stake as an executive.

How many Canadian Solar (CSIQ) common shares does the CFO directly own?

The CFO directly owns 139,890 Common Shares of Canadian Solar. This direct holding is reported as of the Form 3 date and reflects his current equity position, separate from any unvested Restricted Share Units that may convert into additional shares over time.

How many Restricted Share Units does the Canadian Solar (CSIQ) CFO report?

The CFO reports RSUs linked to 34,288 underlying Common Shares. These RSUs are unvested awards that may convert into Common Shares upon vesting, giving him a contingent right to receive one share for each unit when vesting conditions are met.

What is the vesting schedule for Canadian Solar (CSIQ) CFO’s RSUs?

The RSUs vest in multiple annual installments beginning in 2026. Tranches vest on May 12, May 20, and May 23, 2026, with some awards vesting in two, three, or four approximately equal annual installments starting on those dates.

How do the Canadian Solar (CSIQ) RSUs convert into common shares for the CFO?

Each RSU represents a contingent right to receive one Common Share. When RSUs vest according to their schedule, they convert into an equal number of Canadian Solar Common Shares, increasing the CFO’s share ownership at that time.

Does this Canadian Solar (CSIQ) Form 3 show insider buying or selling activity?

This Form 3 does not show new buying or selling transactions. It records the CFO’s existing direct Common Share holdings and unvested RSUs, serving as an initial statement of beneficial ownership rather than a record of recent trades.