[Form 3] Jinxin Technology Holding Co Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Jinxin Technology Holding Co director and Chief Executive Officer Xu Jin Justing filed an initial ownership report showing indirect stakes in the company through Namibox Technology Limited. The filing lists 265,156,214 ordinary shares and 5,110,000 American depositary shares held indirectly. Each American depositary share represents 18 ordinary shares, highlighting a substantial indirect economic interest but no new purchase or sale activity.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Xu Jin Justing

Role Chief Executive Officer

Type	Security	Shares	Price	Value
holding	Ordinary shares	--	--	--
holding	American depositary shares	--	--	--

Holdings After Transaction: Ordinary shares — 265,156,214 shares (Indirect, By Namibox Technology Limited); American depositary shares — 5,110,000 shares (Indirect, By Namibox Technology Limited)

Footnotes (1)

1. Namibox Technology Limited is a British Virgin Islands company wholly-owned by Jin Xu. Each American depositary share represents 18 ordinary shares of Jinxin Technology Holding Company.

Understanding Insider Trading Forms →

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

OMB APPROVAL

OMB Number:			3235-0104
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1. Name and Address of Reporting Person^*

Xu Jin Justing

(Last) (First) (Middle)

FLOOR 8, BUILDING D, SHENGYIN BUILDING

SHENGXIA ROAD 666, PUDONG DISTRICT

(Street)

SHANGHAI 201210

(City) (State) (Zip)

CHINA

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
Jinxin Technology Holding Co [ NAMI ]

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)
Ordinary shares	265,156,214	I	By Namibox Technology Limited(1)
American depositary shares(2)	5,110,000	I	By Namibox Technology Limited

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:

1. Namibox Technology Limited is a British Virgin Islands company wholly-owned by Jin Xu.

2. Each American depositary share represents 18 ordinary shares of Jinxin Technology Holding Company.

	/s/ Jin Xu	04/10/2026
	** 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)