Canadian Solar (CSIQ) director Qu Yuan reports common shares and 8,309 RSUs

Rhea-AI Filing Summary

Canadian Solar Inc. director Qu Yuan filed an initial ownership report showing both common shares and unvested equity awards. The filing lists direct ownership of 1,851 Common Shares and 8,309 unvested Restricted Share Units, each representing a right to receive one Common Share upon vesting.

The 8,309 RSUs will vest in three approximately equal annual installments beginning on October 1, 2026, indicating a multi-year equity compensation package tied to continued service. This Form 3 does not report any recent share purchases or sales; it establishes Yuan’s starting equity position as a reporting insider.

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^*

Qu Yuan

(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. 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	1,851	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	8,309	(2)	D

Explanation of Responses:

1. Includes 8,309 unvested RSUs, which will vest in three approximately equal annual installments beginning on October 1, 2026.

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

	/s/ Yuan Z. Qu	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 insider holdings did Qu Yuan report in Canadian Solar (CSIQ) Form 3?

Qu Yuan reported direct ownership of 1,851 Common Shares of Canadian Solar Inc. and 8,309 unvested Restricted Share Units (RSUs). Each RSU represents a contingent right to receive one Common Share when it vests, forming the core of his disclosed equity stake.

How many Restricted Share Units does Qu Yuan hold in Canadian Solar (CSIQ)?

Qu Yuan holds 8,309 unvested RSUs in Canadian Solar Inc. According to the filing, these RSUs will vest in three approximately equal annual installments, beginning on October 1, 2026, providing a structured, multi-year equity incentive tied to ongoing service.

When will Qu Yuan’s Canadian Solar (CSIQ) RSUs vest?

The 8,309 unvested RSUs held by Qu Yuan will vest in three approximately equal annual installments starting on October 1, 2026. This schedule spreads vesting over three years, aligning his compensation with longer-term company performance and retention.

What does each RSU reported by Qu Yuan in Canadian Solar (CSIQ) represent?

Each Restricted Share Unit reported by Qu Yuan represents a contingent right to receive one Common Share of Canadian Solar Inc. upon vesting. This means 8,309 RSUs correspond to a potential 8,309 Common Shares, subject to the vesting conditions and schedule described.

Does Qu Yuan’s Canadian Solar (CSIQ) Form 3 show any recent share purchases or sales?

The Form 3 for Qu Yuan does not show any recent share purchases or sales. It is an initial ownership filing that records existing holdings of 1,851 Common Shares and 8,309 unvested RSUs, rather than new market transactions or option exercises.

Is Qu Yuan’s ownership in Canadian Solar (CSIQ) direct or indirect?

The filing indicates that Qu Yuan’s holdings in Canadian Solar Inc., including 1,851 Common Shares and RSUs tied to 8,309 underlying shares, are held with direct ownership. No trusts, LLCs, or other indirect ownership vehicles are referenced in the provided data.