Viomi Technology CEO reports 9M-share conversion

The transaction was described as solely a change in security form, without substantial change in the reporting person's aggregate beneficial ownership.

Rhea-AI Filing Summary

Viomi Technology Co., Ltd. (VIOT) Chief Executive Officer Xiaoping Chen reported an indirect securities conversion by Viomi Limited on October 8, 2026: 9,000,000 Class A ordinary shares were converted into 3,000,000 American depositary shares (ADSs), each representing three Class A ordinary shares. The converted Class A shares included 6,800,000 shares converted one-for-one from previously held Class B ordinary shares on September 30, 2026, plus 2,200,000 previously held Class A ordinary shares. After the transaction, Viomi Limited's reported indirect holdings were 60,836,364 Class B ordinary shares and 3,000,000 ADSs, with 0 Class A ordinary shares.

Insider Trade Summary

Other: 12,000,000 shares

Other 5 txns

Insider Chen Xiaoping

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Other	Class A ordinary shares F2, F3	2,200,000	--	--
Other	Class B ordinary shares F2, F3	6,800,000	--	--
Other	American depositary shares F1, F2, F3	3,000,000	--	--
holding	American depositary shares F1	--	--	--
holding	American depositary shares F1, F4	--	--	--

Holdings After Transaction: Class A ordinary shares — 0 shares (Indirect, By Viomi Limited); Class B ordinary shares — 60,836,364 shares (Indirect, By Viomi Limited); American depositary shares — 3,000,000 shares (Indirect, By Viomi Limited); American depositary shares — 333,333 shares (Direct); American depositary shares — 189,988 shares (Indirect, By VioCloud Limited)

Footnotes (4)

1. F1. Each American depositary share ("ADS") represents three (3) Class A ordinary shares, with a par value of US$0.00001 per share, of Viomi Technology Co., Ltd (the "Company").
2. F2. On October 8, 2026, Viomi Limited converted an aggregate of 9,000,000 Class A ordinary shares into 3,000,000 ADSs, each representing three Class A ordinary shares of the Company. These 9,000,000 Class A ordinary shares consisted of (i) 6,800,000 Class A ordinary shares converted on a one-for-one basis on September 30, 2026 from an equal number of Class B ordinary shares previously held by Viomi Limited, and (ii) 2,200,000 Class A ordinary shares previously held by Viomi Limited. The foregoing transaction constituted solely a change in the form of securities held by Viomi Limited and did not result in any substantial change in the Reporting Person's aggregate beneficial ownership in the securities of the Company.
3. F3. Viomi Limited is wholly owned by a trust established for the benefit of the Reporting Person and his family.
4. F4. VioCloud Limited is wholly owned by Foshan Yunmi Electric Appliances Technology Co., Ltd. The Reporting Person directly holds 99.78% equity interests in Foshan Yunmi Electric Appliances Technology Co., Ltd. and holds another 0.22% equity interests in it through a limited partnership controlled and managed by the Reporting Person.

Key Figures

Class A ordinary shares converted: 9,000,000 shares ADSs received: 3,000,000 ADSs ADS ratio: 3 Class A ordinary shares per ADS +4 more

7 metrics

Class A ordinary shares converted 9,000,000 shares Converted into ADSs on October 8, 2026

ADSs received 3,000,000 ADSs Received on October 8, 2026

ADS ratio 3 Class A ordinary shares per ADS Each ADS represents three Class A ordinary shares

Class A ordinary shares after transaction 0 shares Viomi Limited's reported indirect holdings after the October 8, 2026 transaction

Class B ordinary shares after transaction 60,836,364 shares Viomi Limited's reported indirect holdings after the October 8, 2026 transaction

Class A ordinary shares converted from Class B 6,800,000 shares Converted one-for-one from previously held Class B ordinary shares on September 30, 2026

Previously held Class A ordinary shares 2,200,000 shares Included in the October 8, 2026 conversion

Key Terms

American depositary share, one-for-one basis, aggregate beneficial ownership

3 terms

American depositary share financial

"Each American depositary share represents three Class A ordinary shares"

An American Depositary Share (ADS) is a U.S.-listed certificate that represents a specified number of shares in a foreign company, held by a custodian bank; it works like a receipt that allows U.S. investors to buy and trade foreign equity on American exchanges without dealing with another country’s markets. Investors care because ADSs make foreign stocks easier to access, improve liquidity and settlement in dollars, and can affect dividend payments, voting rights and regulatory oversight compared with buying the underlying foreign shares directly.

one-for-one basis financial

"converted on a one-for-one basis"

aggregate beneficial ownership financial

"no substantial change in the Reporting Person's aggregate beneficial ownership"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ADSs did Viomi Limited receive in the VIOT transaction?

Viomi Limited converted 9,000,000 Class A ordinary shares into 3,000,000 ADSs on October 8, 2026. Each ADS represents three Class A ordinary shares. The converted Class A shares included 6,800,000 shares converted one-for-one from Class B ordinary shares on September 30, 2026, and 2,200,000 previously held Class A ordinary shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/09/2026 - 07:59 AM Accepted by SEC EDGAR 10/09/2026 - 07:58 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^*

Chen Xiaoping

(Last) (First) (Middle)

NO. 7 LICUN INDUSTRIAL AVENUE,

LUNJIAO SUBDISTRICT, SHUNDE DISTRICT

(Street)

FOSHAN, GUANGDONG 528308

(City) (State) (Zip)

CHINA

(Country)

2. Issuer Name and Ticker or Trading Symbol
Viomi Technology Co., Ltd [ VIOT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	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)
10/08/2026

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
Class A ordinary shares	10/08/2026		J(2)		2,200,000	D	(2)	0	I	By Viomi Limited(3)
Class B ordinary shares	10/08/2026		J(2)		6,800,000	D	(2)	60,836,364	I	By Viomi Limited(3)
American depositary shares(1)	10/08/2026		J(2)		3,000,000	A	(2)	3,000,000	I	By Viomi Limited(3)
American depositary shares(1)								333,333	D
American depositary shares(1)								189,988	I	By VioCloud Limited(4)

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

Explanation of Responses:

1. Each American depositary share ("ADS") represents three (3) Class A ordinary shares, with a par value of US$0.00001 per share, of Viomi Technology Co., Ltd (the "Company").

2. On October 8, 2026, Viomi Limited converted an aggregate of 9,000,000 Class A ordinary shares into 3,000,000 ADSs, each representing three Class A ordinary shares of the Company. These 9,000,000 Class A ordinary shares consisted of (i) 6,800,000 Class A ordinary shares converted on a one-for-one basis on September 30, 2026 from an equal number of Class B ordinary shares previously held by Viomi Limited, and (ii) 2,200,000 Class A ordinary shares previously held by Viomi Limited. The foregoing transaction constituted solely a change in the form of securities held by Viomi Limited and did not result in any substantial change in the Reporting Person's aggregate beneficial ownership in the securities of the Company.

3. Viomi Limited is wholly owned by a trust established for the benefit of the Reporting Person and his family.

4. VioCloud Limited is wholly owned by Foshan Yunmi Electric Appliances Technology Co., Ltd. The Reporting Person directly holds 99.78% equity interests in Foshan Yunmi Electric Appliances Technology Co., Ltd. and holds another 0.22% equity interests in it through a limited partnership controlled and managed by the Reporting Person.

	/s/ Xiaoping Chen	10/09/2026
	** 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)