SEC FORM 3

SEC FORM 3SEC 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^*

Shen Ziyu

(Last)

(First)

(Middle)

SECOND FLOOR NORTH, INTERNATIONAL HOUSE,

1 ST. KATHARINE'S WAY

(Street)

LONDON

E1W 1UN

(City)

(State)

(Zip)

UNITED KINGDOM

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
ECARX Holdings Inc. [ ECX ]

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
X	Officer (give title below)	Other (specify below)
	Chief Executive 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)
Class A Ordinary Shares	3,000,000	I	By Jie&Hao Holding Limited⁽¹⁾
Class B Ordinary Shares⁽²⁾	21,480,458	I	By Jie&Hao Holding Limited⁽¹⁾

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)

Explanation of Responses:

1. Shares held of record by Jie&Hao Holding Limited, a limited liability company incorporated in British Virgin Islands. The reporting person holds 100% of the issued and outstanding shares of Little SJH Holding Limited. Little SJH Holding Limited holds 1% of the shares of Jie&Hao Holding Limited, which are voting shares. Magician Hao Holding Limited, which is owned by a trust established for the benefit of the reporting person and his family, holds 99% of shares of Jie&Hao Holding Limited, which are non-voting shares. The reporting person is solely entitled to exercise the voting and dispositive power in respect of all ordinary shares held by Jie&Hao Holding Limited.

2. In respect of all matters upon which holders of ordinary shares of the Issuer are entitled to vote, each Class A ordinary share is entitled to one vote and each Class B ordinary share is entitled to ten votes.

	/s/ Ziyu Shen	03/25/2026
	** 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)

SEC Form 3 filed by new insider Shen Ziyu