[Form 3] VinFast Auto Ltd. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

VinFast Auto Ltd. director Le Thuy Thi Thu has reported initial beneficial ownership of 1,200,000 Ordinary Shares of VinFast. This Form 3 filing is an initial statement of holdings and does not show any recent purchase or sale activity, only the director’s existing direct ownership position.

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^*

Le Thuy Thi Thu

(Last) (First) (Middle)

61 ROBINSON ROAD, #06-01

(Street)

61 ROBINSON SINGAPORE 068893

(City) (State) (Zip)

SINGAPORE

(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)
Ordinary Shares	1,200,000	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:

Remarks:

Ex. 24 - Power of Attorney

	/s/ Tran Thu Hoa, attorney-in- fact	03/24/2026
	** 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 VinFast (VFS) director Le Thuy Thi Thu report in this Form 3?

Le Thuy Thi Thu reports initial beneficial ownership of 1,200,000 Ordinary Shares of VinFast Auto Ltd. The filing is an initial statement of holdings and does not indicate any recent transaction, only the director’s current direct ownership position.

Is there any buy or sell transaction disclosed for VFS in this Form 3?

No buy or sell transaction is disclosed. The Form 3 shows a holding entry with 1,200,000 Ordinary Shares reported as owned following the event, without a recorded purchase, sale, or derivative exercise associated with this specific filing.

How many VinFast (VFS) shares does Le Thuy Thi Thu directly own?

The filing shows direct ownership of 1,200,000 Ordinary Shares of VinFast Auto Ltd. This figure is listed as the total number of shares beneficially owned following the reported event, reflecting the director’s current disclosed position.

Does this VinFast (VFS) Form 3 include any derivative securities?

No derivative securities are listed in this Form 3. The derivative section is empty, and the only reported position is 1,200,000 Ordinary Shares, indicating there are no options, warrants, or other derivatives disclosed in this filing.

Is Le Thuy Thi Thu a major shareholder or primarily a director at VinFast (VFS)?

The filing identifies Le Thuy Thi Thu as a director of VinFast Auto Ltd. and not as a ten percent owner. While 1,200,000 Ordinary Shares are reported, the form’s checkboxes specify director status rather than ten percent ownership.