VinFast CEO reports 500M exchangeable pref shares

VinFast Auto Ltd. Chief Executive Officer Vuong Pham Nhat reported an indirect other acquisition of 500,000,000 VFVN Series 5 Preference Shares of subsidiary VinFast Vietnam Joint Stock Company, held of record by Vingroup Joint Stock Company.

Rhea-AI Filing Summary

VinFast Auto Ltd. Chief Executive Officer Vuong Pham Nhat reported an indirect other acquisition of 500,000,000 VFVN Series 5 Preference Shares of subsidiary VinFast Vietnam Joint Stock Company, held of record by Vingroup Joint Stock Company. After the transaction, 704,667,875 such preference shares are held. These securities are exchangeable into 226,346,763 VinFast ordinary shares at an exchange rate of 2.209 VFVN Series 5 Preference Shares to 1 ordinary share, subject to necessary approvals and other conditions, and have no expiration date. Vuong, who holds a majority interest in Vingroup, disclaims beneficial ownership beyond any pecuniary interest.

Insider Trade Summary

Other: 500,000,000 shares

Other 1 txn

Insider Vuong Pham Nhat

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Other	VFVN Series 5 Preference Shares F1	500,000,000	--	--

Holdings After Transaction: VFVN Series 5 Preference Shares — 704,667,875 contracts (Indirect, By Vingroup)

Footnotes (1)

1. F1. CPUD VFVN05 preference shares ("VFVN Series 5 Preference Shares") in the capital of VinFast Vietnam Joint Stock Company ("VFVN"), a joint stock company organized in Vietnam and a subsidiary of the Issuer, held of record by Vingroup Joint Stock Company ("Vingroup"), a public company listed on the Ho Chi Minh Stock Exchange, in which the Reporting Person, directly and through a majority-owned affiliate, holds a majority interest. The Reporting Person disclaims beneficial ownership of the shares held by Vingroup except to the extent of his pecuniary interest therein, if any. The VFVN Series 5 Preference Shares are exchangeable for the Issuer's ordinary shares at an exchange rate of 2.209 VFVN Series 5 Preference Shares to 1 ordinary share, subject to obtaining necessary approvals and other conditions. The VFVN Series 5 Preference Shares have no expiration date.

Key Figures

VFVN Series 5 Preference Shares acquired: 500,000,000 shares VFVN Series 5 Preference Shares after transaction: 704,667,875 shares Underlying VinFast ordinary shares: 226,346,763 shares +1 more

4 metrics

VFVN Series 5 Preference Shares acquired 500,000,000 shares Other acquisition on 2026-06-30 indirectly linked to CEO via Vingroup

VFVN Series 5 Preference Shares after transaction 704,667,875 shares Total VFVN Series 5 Preference Shares held of record by Vingroup after the transaction

Underlying VinFast ordinary shares 226,346,763 shares Ordinary shares corresponding to VFVN Series 5 Preference Shares position, subject to approvals and conditions

Exchange rate 2.209 VFVN Series 5 Preference Shares per 1 ordinary share Stated exchange ratio for converting VFVN Series 5 Preference Shares into VinFast ordinary shares

Key Terms

VFVN Series 5 Preference Shares, pecuniary interest, exchangeable, ordinary shares

4 terms

VFVN Series 5 Preference Shares financial

"CPUD VFVN05 preference shares VFVN Series 5 Preference Shares in the capital of VFVN"

pecuniary interest financial

"disclaims beneficial ownership of the shares held by Vingroup except to the extent of his pecuniary interest"

exchangeable financial

"The VFVN Series 5 Preference Shares are exchangeable for the Issuer's ordinary shares at an exchange rate"

ordinary shares financial

"exchangeable for the Issuer's ordinary shares at an exchange rate of 2.209 VFVN Series 5 Preference Shares"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

FAQ

What transaction did VinFast (VFS) CEO Vuong Pham Nhat report?

Vuong Pham Nhat reported an indirect other acquisition involving 500,000,000 VFVN Series 5 Preference Shares of subsidiary VinFast Vietnam Joint Stock Company. The shares are held of record by Vingroup Joint Stock Company, in which he holds a majority interest through direct and affiliated ownership.

How many VFVN Series 5 Preference Shares tied to VFS were acquired?

The reported transaction covers an indirect acquisition of 500,000,000 VFVN Series 5 Preference Shares. Following this transaction, a total of 704,667,875 VFVN Series 5 Preference Shares are held of record by Vingroup Joint Stock Company, linked to Vuong Pham Nhat through majority ownership.

How are VFVN Series 5 Preference Shares related to VinFast (VFS) ordinary shares?

VFVN Series 5 Preference Shares are exchangeable into VinFast ordinary shares at a rate of 2.209 preference shares for 1 ordinary share. Based on this rate, the reported position corresponds to 226,346,763 VinFast ordinary shares, subject to required approvals and other conditions.

Who holds the VFVN Series 5 Preference Shares connected to VinFast (VFS)?

The VFVN Series 5 Preference Shares are held of record by Vingroup Joint Stock Company, listed on the Ho Chi Minh Stock Exchange. Vuong Pham Nhat holds a majority interest in Vingroup directly and via a majority-owned affiliate, creating an indirect interest in these preference shares.

Do the VFVN Series 5 Preference Shares linked to VFS have an expiration date?

The VFVN Series 5 Preference Shares reported in connection with VinFast have no expiration date. They remain outstanding and are exchangeable into VinFast ordinary shares at the stated 2.209-to-1 exchange rate, contingent on obtaining necessary approvals and satisfying other specified conditions.

What beneficial ownership position does the VinFast (VFS) CEO claim over Vingroup’s shares?

Vuong Pham Nhat disclaims beneficial ownership of the VFVN Series 5 Preference Shares held by Vingroup, except to the extent of any pecuniary interest. This means his economic interest is recognized, while broader voting or investment power over Vingroup’s holdings is not fully attributed to him.

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Available on EDGAR 07/17/2026 - 08:50 AM Accepted by SEC EDGAR 07/17/2026 - 08:50 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

Vuong Pham Nhat

(Last) (First) (Middle)

61 ROBINSON ROAD, #06-01

(Street)

SINGAPORE 068893

(City) (State) (Zip)

SINGAPORE

(Country)

2. Issuer Name and Ticker or Trading Symbol
VinFast Auto Ltd. [ VFS ]

5. 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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
VFVN Series 5 Preference Shares	(1)	06/30/2026		J(1)		500,000,000		06/30/2026	(1)	Ordinary Shares	226,346,763	(1)	704,667,875	I	By Vingroup(1)

Explanation of Responses:

1. CPUD VFVN05 preference shares ("VFVN Series 5 Preference Shares") in the capital of VinFast Vietnam Joint Stock Company ("VFVN"), a joint stock company organized in Vietnam and a subsidiary of the Issuer, held of record by Vingroup Joint Stock Company ("Vingroup"), a public company listed on the Ho Chi Minh Stock Exchange, in which the Reporting Person, directly and through a majority-owned affiliate, holds a majority interest. The Reporting Person disclaims beneficial ownership of the shares held by Vingroup except to the extent of his pecuniary interest therein, if any. The VFVN Series 5 Preference Shares are exchangeable for the Issuer's ordinary shares at an exchange rate of 2.209 VFVN Series 5 Preference Shares to 1 ordinary share, subject to obtaining necessary approvals and other conditions. The VFVN Series 5 Preference Shares have no expiration date.

	/s/ Le Thi Dieu My, attorney-in-fact	07/17/2026
	** 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 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)