VinFast (VFS) director Tham Chee Soon files Form 3 ownership report

Rhea-AI Filing Summary

VinFast Auto Ltd. director Tham Chee Soon has filed an initial insider ownership report. This Form 3 shows him as a director but does not list any stock or option transactions, and the transaction summary records zero buys, sells, exercises, gifts, or other activity.

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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^*

Tham Chee Soon

(Last) (First) (Middle)

61 ROBINSON ROAD, #06-01

(Street)

61 ROBINSON 06883

(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
VinFast Auto Ltd. [ VFS ]

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
	Officer (give title below)		Other (specify below)

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:

Remarks:

Ex. 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Tran Thu Hoa, attorney-in- fact	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 VinFast (VFS) Form 3 filed by Tham Chee Soon show?

The Form 3 identifies Tham Chee Soon as a director of VinFast Auto Ltd. It reports no stock or option transactions, with all buy, sell, exercise, gift, and other activity counts disclosed as zero in the transaction summary section.

Does the VinFast (VFS) Form 3 report any insider buying or selling?

No, this Form 3 reports no insider buying or selling. The transaction summary shows zero buys, zero sells, zero exercises, and zero gifts, indicating no reportable transactions are included in this particular filing by the director.

What insider role is disclosed for Tham Chee Soon at VinFast (VFS)?

The filing discloses that Tham Chee Soon is a director of VinFast Auto Ltd. It notes he is not listed as an officer or as a ten percent owner, focusing solely on his status as a board-level insider.

Are there any derivative securities reported in this VinFast (VFS) Form 3?

No derivative securities are reported in this Form 3. The derivativeSummary is empty and the derivative transaction count in the transaction summary is zero, indicating no options, warrants, or similar instruments are shown in this filing.

Does the VinFast (VFS) Form 3 include any gifts or tax-related share dispositions?

The Form 3 shows no gifts or tax-related dispositions. GiftCount and taxWithholdingCount are both zero, and their related share amounts are also zero, meaning there are no such movements of shares disclosed in this report.