ECARX (NASDAQ: ECX) CFO Jeng Dylan Da-Long files initial Form 3

Rhea-AI Filing Summary

ECARX Holdings Inc. filed an initial insider ownership report for Chief Financial Officer Jeng Dylan Da-Long. This Form 3 filing establishes his status as a reporting officer under insider trading rules. The provided data does not show any reportable transactions or derivative positions.

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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^*

Jeng Dylan Da-Long

(Last) (First) (Middle)

58-11 201ST STREET

(Street)

NEW YORK NEW YORK 11364

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/23/2026

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)

	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)

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

Explanation of Responses:

No securities are beneficially owned.

	/s/ Dylan Da-Long Jeng	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)

FAQ

What does ECARX (ECX) Chief Financial Officer report in this Form 3?

The Form 3 shows ECARX Chief Financial Officer Jeng Dylan Da-Long as a reporting insider. It establishes his obligation to report future trades in ECARX securities, but the provided data does not list any specific transactions or derivative positions.

Does the ECARX (ECX) Form 3 for Jeng Dylan Da-Long show any insider buying or selling?

No insider buying or selling appears in the provided Form 3 data. The transaction summary shows zero buys, zero sells, and no derivative exercises, indicating this filing functions as an initial registration of reporting status rather than a trade report.

Why is a Form 3 important for ECARX (ECX) executives like the CFO?

Form 3 is important because it identifies the executive as an insider subject to ongoing disclosure rules. After this initial filing, the CFO must report future trades in ECARX securities on Forms 4 or 5, improving transparency around management’s personal holdings and activity.

Does this ECARX (ECX) Form 3 include any derivative securities for the CFO?

The derivative summary in the provided data is empty, indicating no listed options, warrants, or other derivatives. This means the excerpted filing does not show any derivative positions for the CFO, focusing only on his status as a reporting person.

What does a neutral netBuySellDirection mean in ECARX (ECX) CFO’s Form 3?

A neutral netBuySellDirection means there are no net insider purchases or sales in the data. For this Form 3, all transaction-related counts are zero, so the filing serves as an initial ownership and status record rather than evidence of trading activity.