J-Star Holding (YMAT) CEO discloses 171,129 shares in Form 3

Rhea-AI Filing Summary

J-Star Holding Co., Ltd. CEO Sam Van has filed an initial Form 3 reporting his beneficial ownership in the company. The filing shows he directly holds 171,129 Class A Ordinary Shares of J-Star Holding. The Form 3 reflects existing ownership and does not report any new buy or sell transactions.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Sam Van

Role CEO

Type	Security	Shares	Price	Value
holding	Class A Ordinary Shares	--	--	--

Holdings After Transaction: Class A Ordinary Shares — 171,129 shares (Direct)

Footnotes (1)

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
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Sam Van

(Last) (First) (Middle)

7/F-1, NO. 633, SEC. 2, TAIWAN BLVD.,

XITUN DISTRICT,

(Street)

TAICHUNG CITY 407

(City) (State) (Zip)

UNITED STATES

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
J-Star Holding Co., Ltd. [ YMAT ]

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)
	CEO

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	171,129	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

Explanation of Responses:

	/s/ Sam Van	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 does the J-Star Holding (YMAT) Form 3 for CEO Sam Van show?

The Form 3 shows CEO Sam Van’s existing beneficial ownership in J-Star Holding. He directly holds 171,129 Class A Ordinary Shares, providing a baseline of his equity stake as an insider without indicating any recent trading activity.

How many J-Star Holding (YMAT) shares does CEO Sam Van own?

CEO Sam Van beneficially owns 171,129 Class A Ordinary Shares of J-Star Holding. This total is reported as his direct holdings following the reported position and establishes his equity interest as disclosed in the initial insider ownership statement.

Does the J-Star Holding (YMAT) Form 3 report any insider buying or selling?

The Form 3 does not report any insider buying or selling transactions. It only records a holding entry, showing CEO Sam Van’s direct ownership of 171,129 Class A Ordinary Shares rather than documenting a new purchase or sale.

What type of security does J-Star Holding (YMAT) insider Sam Van hold?

Sam Van holds J-Star Holding’s Class A Ordinary Shares. The Form 3 identifies this security type and reports that he directly owns 171,129 shares, clarifying both the class of stock and the size of his disclosed position.

Is Sam Van’s ownership in J-Star Holding (YMAT) direct or indirect?

Sam Van’s reported ownership is direct. The Form 3 indicates his 171,129 Class A Ordinary Shares are held directly, rather than through a trust, partnership, or other indirect entity, simplifying interpretation of his disclosed stake.