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  4. [Form 4] Jinxin Technology Holding Co Insider Trading Activity

Jun Jiang (NAMI) sells 7,000 ADS via Light Stream Holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Jinxin Technology Holding Co director and executive Jun Jiang reported indirect sales of American depositary shares of NAMI through Light Stream Holdings Ltd. On May 21, 2026, Light Stream sold 2,000 ADS at $0.3510 per share and 5,000 ADS at $0.3450, totaling 7,000 ADS in open-market transactions. Each ADS represents 18 ordinary shares of Jinxin Technology Holding Company. After these sales, Light Stream, which is wholly owned by Jun Jiang, still holds a stake of more than three million ADS in the company indirectly on his behalf.

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Negative

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Insider Jiang Jun Jason
Role CFO and COO
Sold 7,000 shs ($2K)
Type Security Shares Price Value
Sale American depositary shares 5,000 $0.345 $2K
Sale American depositary shares 2,000 $0.351 $702.00
holding Ordinary shares -- -- --
Holdings After Transaction: American depositary shares — 3,026,370 shares (Indirect, By Light Stream Holdings Ltd.); Ordinary shares — 2 shares (Indirect, By Light Stream Holdings Ltd.)
Footnotes (2)
  1. F1. Each American depositary share represents 18 ordinary shares of Jinxin Technology Holding Company.
  2. F2. Light Stream Holdings Ltd. is a British Virgin Islands company wholly-owned by Jun Jiang.
ADS sold 7,000 ADS Total American depositary shares sold on May 21, 2026
Sale price 1 $0.3510 per ADS Price for 2,000 ADS sold in one transaction
Sale price 2 $0.3450 per ADS Price for 5,000 ADS sold in a second transaction
ADS to ordinary ratio 1 ADS : 18 ordinary shares Each ADS represents 18 ordinary shares of the company
Indirect ADS holdings More than 3,000,000 ADS Approximate indirect position remaining after the reported sales
American depositary shares financial
"Each American depositary share represents 18 ordinary shares of Jinxin Technology Holding Company."
American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
indirect ownership financial
"ownership_type": "indirect""
wholly-owned financial
"Light Stream Holdings Ltd. is a British Virgin Islands company wholly-owned by Jun Jiang."
A wholly-owned business is one that is 100% owned by another company, meaning the parent holds all shares and controls decisions. For investors, this matters because the parent company must include the wholly-owned business’s results and liabilities in its own financial picture, so any profits, losses or risks from that unit directly affect the parent’s value—like owning an entire rental property rather than sharing it with partners.

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FAQ

What insider transaction did NAMI executive Jun Jiang report on May 21, 2026?
Jun Jiang reported indirect sales of 7,000 American depositary shares of NAMI on May 21, 2026. The trades were executed by Light Stream Holdings Ltd. in open-market transactions at prices between $0.3450 and $0.3510 per ADS.

At what prices were the NAMI American depositary shares sold in Jun Jiang’s Form 4?
The reported sales occurred at $0.3510 per ADS for 2,000 shares and $0.3450 per ADS for 5,000 shares. Both transactions were classified as open-market or private sales under transaction code "S" on the same date.

How many NAMI American depositary shares were sold in total in this Form 4?
The filing shows total sales of 7,000 American depositary shares of NAMI. These were split into two transactions of 2,000 and 5,000 ADS, both reported as open-market sales executed indirectly through Light Stream Holdings Ltd.

Who actually holds and sold the NAMI ADS reported for Jun Jiang?
The NAMI ADS are held and sold by Light Stream Holdings Ltd., a British Virgin Islands company wholly owned by Jun Jiang. The Form 4 characterizes his ownership as indirect, with Light Stream acting as the holding entity for these shares.

What does each NAMI American depositary share represent in ordinary shares?
Each American depositary share of NAMI represents 18 ordinary shares of Jinxin Technology Holding Company. This ratio is disclosed in the Form 4 footnotes and helps investors understand the underlying ordinary share exposure represented by the ADS position.

Did Jun Jiang retain a significant NAMI position after the reported ADS sales?
Yes. After selling 7,000 ADS, the filing shows Light Stream Holdings Ltd. still holding more than three million NAMI American depositary shares indirectly for Jun Jiang. This indicates the reported sales represent a small portion of the overall indirect position.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Jiang Jun Jason
(Last)(First)(Middle)
FLOOR 8, BUILDING D, SHENGYIN BUILDING
SHENGXIA ROAD 666, PUDONG DISTRICT
(Street)
SHANGHAI201210
(City)(State)(Zip)
CHINA
(Country)		2. Issuer Name and Ticker or Trading Symbol
Jinxin Technology Holding Co [ NAMI ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CFO and COO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
American depositary shares(1)05/21/2026S5,000D$0.3453,028,370IBy Light Stream Holdings Ltd.(2)
American depositary shares(1)05/21/2026S2,000D$0.3513,026,370IBy Light Stream Holdings Ltd.(2)
Ordinary shares2IBy Light Stream Holdings Ltd.
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Each American depositary share represents 18 ordinary shares of Jinxin Technology Holding Company.
2. Light Stream Holdings Ltd. is a British Virgin Islands company wholly-owned by Jun Jiang.
/s/ Jun Jiang05/26/2026
** Signature of Reporting PersonDate
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 4 (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 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR