UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 

FORM 6-K

 

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

 

For the month of January 2026

 

 

 

Commission File Number: 001-40210

 

 

 

Tuya Inc.

 

10/F, Building A, Huace Center

Xihu District, Hangzhou City

Zhejiang, 310012

People’s Republic of China

(Address of principal executive offices)

 

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

 

Form 20-F   x               Form 40-F   o

 

 

 

 

 

EXPLANATORY NOTE

 

We submitted a monthly return form dated January 7, 2026 in relation to the movements in our authorized share capital and issued shares in December 2025 to The Stock Exchange of Hong Kong Limited. In addition, we submitted next day disclosure return forms dated December 29, 30, and 31, 2025, respectively, to The Stock Exchange of Hong Kong Limited in relation to the changes in our issued share capital and/or share buybacks. For details, please refer to the exhibits to this current report on Form 6-K.

 

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EXHIBIT INDEX

 

Exhibit No.

 

Description

99.1   Monthly Return for Equity Issuer on Movements in Securities
99.2   Next Day Disclosure Return dated December 29, 2025
99.3   Next Day Disclosure Return dated December 30, 2025
99.4   Next Day Disclosure Return dated December 31, 2025

 

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SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

  Tuya Inc.
   
  By : /s/ Yi (Alex) Yang
  Name : Yi (Alex) Yang
  Title : Chief Financial Officer

 

Date: January 7, 2026

 

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Exhibit 99.1

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FF301 Page 1 of 10 v 1.1.1 Monthly Return for Equity Issuer and Hong Kong Depositary Receipts listed under Chapter 19B of the Exchange Listing Rules on Movements in Securities For the month ended: 31 December 2025 Status: New Submission To : Hong Kong Exchanges and Clearing Limited Name of Issuer: Tuya Inc. (A company controlled through weighted voting rights and incorporated in the Cayman Islands with limited liability) Date Submitted: 07 January 2026 I. Movements in Authorised / Registered Share Capital 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange (Note 1) Yes Stock code (if listed) 02391 Description Number of authorised/registered shares Par value Authorised/registered share capital Balance at close of preceding month 800,000,000 USD 0.00005 USD 40,000 Increase / decrease (-) USD Balance at close of the month 800,000,000 USD 0.00005 USD 40,000 2. Class of shares WVR ordinary shares Type of shares B Listed on the Exchange (Note 1) No Stock code (if listed) 02391 Description Number of authorised/registered shares Par value Authorised/registered share capital Balance at close of preceding month 200,000,000 USD 0.00005 USD 10,000 Increase / decrease (-) USD Balance at close of the month 200,000,000 USD 0.00005 USD 10,000 Total authorised/registered share capital at the end of the month: USD 50,000

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FF301 Page 2 of 10 v 1.1.1 Opening and closing balances of Class A ordinary shares shown above include 526,558 and 259,961 Class A ordinary shares which are already issued and registered in the name of our depositary bank which are used to satisfy any future exercise or vesting of awards granted under the 2015 Equity Incentive Plan and 2024 Share Scheme, respectively. II. Movements in Issued Shares and/or Treasury Shares 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange (Note 1) Yes Stock code (if listed) 02391 Description Number of issued shares (excluding treasury shares) Number of treasury shares Total number of issued shares Balance at close of preceding month 541,308,673 0 541,308,673 Increase / decrease (-) 56,250 Balance at close of the month 541,364,923 0 541,364,923 2. Class of shares WVR ordinary shares Type of shares B Listed on the Exchange (Note 1) No Stock code (if listed) 02391 Description Number of issued shares (excluding treasury shares) Number of treasury shares Total number of issued shares Balance at close of preceding month 70,163,253 0 70,163,253 Increase / decrease (-) Balance at close of the month 70,163,253 0 70,163,253 Remarks:

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FF301 Page 3 of 10 v 1.1.1 1) Others: -59,097 refers to 59,097 options being exercised. The exercise of 59,097 options was settled using the Class A ordinary shares already issued and registered in the name of our depositary bank which are used to satisfy any future exercise or vesting of awards granted under the 2015 Equity Incentive Plan. 2) The total number of shares which may be issued or transferred out of treasury pursuant to exercise of all options to be granted, and vesting of all restricted share units or awards to be granted under the 2024 Share Scheme as at the close of the month is 57,080,259. III. Details of Movements in Issued Shares and/or Treasury Shares (A). Share Options (under Share Option Schemes of the Issuer) 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange (Note 1) Yes Stock code (if listed) 02391 Description Particulars of share option scheme Number of share options outstanding at close of preceding month Movement during the month Number of share options outstanding at close of the month Number of new shares issued during the month pursuant thereto (A1) Number of treasury shares transferred out of treasury during the month pursuant thereto (A2) Number of shares which may be issued or transferred out of treasury pursuant thereto as at close of the month The total number of shares which may be issued or transferred out of treasury upon exercise of all share options to be granted under the scheme at close of the month 1). 2015 Equity Incentive Plan (adopted in December 2014 and amended in June 2022, as amended from time to time) 3,329,382 Others -59,097 3,270,285 3,270,285 0 General Meeting approval date (if applicable) 2). 2024 Share Scheme (adopted in June 2024, as amended from time to time) 0 0 57,080,259 General Meeting approval date (if applicable) 20 June 2024 Increase in issued shares (excluding treasury shares): WVR ordinary shares A (AA1) Decrease in treasury shares: WVR ordinary shares A (AA2) Total funds raised during the month from exercise of options: USD 2.95 Remarks:

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FF301 Page 4 of 10 v 1.1.1 (B). Warrants to Issue Shares of the Issuer Not applicable

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FF301 Page 5 of 10 v 1.1.1 (C). Convertibles (i.e. Convertible into Shares of the Issuer) Not applicable

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FF301 Page 6 of 10 v 1.1.1 (D). Any other Agreements or Arrangements to Issue Shares of the Issuer, including Options (other than Share Option Schemes) 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange (Note 1) Yes Stock code (if listed) 02391 Description Description of other agreements or arrangements General Meeting approval date (if applicable) Number of new shares issued during the month pursuant thereto (D1) Number of treasury shares transferred out of treasury during the month pursuant thereto (D2) Number of shares which may be issued or transferred out of treasury pursuant thereto as at close of the month 1). 2015 Equity Incentive Plan - Restricted Share Units (adopted in December 2014 and amended in June 2022, as amended from time to time) 56,250 2,718,875 2). 2015 Equity Incentive Plan - Restricted Shares (adopted in December 2014 and amended in June 2022, as amended from time to time) 0 0 0 3). 2024 Share Scheme - Restricted Share Units (adopted in June 2024, as amended from time to time) 20 June 2024 0 339,000 Increase in issued shares (excluding treasury shares): 56,250 WVR ordinary shares A (DD1) Decrease in treasury shares: 0 WVR ordinary shares A (DD2) Remarks: As of December 31, 2025, the restricted share units which entitle the holders to 2,718,875Class A ordinary shares of the issuer upon vesting, have been granted under the 2015 Equity Incentive Plan. No restricted share units were granted under the 2015 Equity Incentive Plan during the month. 283,750 restricted share units under the 2015 Equity Incentive Plan were vested during the month, among which 227,500 restricted share units under the 2015 Equity Incentive Plan were settled using the Class A ordinary shares already issued and registered in the name of depositary bank. No restricted share units granted under the 2015 Equity Incentive Plan were lapsed during the month. As of December 31, 2025, the restricted share units which entitle the holders to 339,000 Class A ordinary shares of the issuer upon vesting, have been granted under the 2024 Share Scheme. No restricted share units were granted under the 2024 Share Scheme during the month. No restricted share units under the 2024 Share Scheme were vested during the month. No restricted share units granted under the 2024 Share Scheme were lapsed during the month.

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FF301 Page 7 of 10 v 1.1.1 (E). Other Movements in Issued Shares and/or Treasury Shares 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange (Note 1) Yes Stock code (if listed) 02391 Description Events At price (if applicable) Date of event (Note 2) General Meeting approval date (if applicable) Increase/ decrease (-) in issued shares (excluding treasury shares) during the month pursuant thereto (E1) Increase/ decrease (-) in treasury shares during the month pursuant thereto (E2) Number of shares redeemed or repurchased for cancellation but not yet cancelled as at close of the month (Note 3) Currency Amount 1). Repurchase of shares (shares repurchased for cancellation but not yet cancelled) 19 June 2025 -5,400 Increase/ decrease (-) in issued shares (excluding treasury shares): WVR ordinary shares A (EE1) Increase/ decrease (-) in treasury shares: WVR ordinary shares A (EE2) Remarks: Total increase/ decrease (-) in issued shares (excluding treasury shares) during the month (i.e. Total of AA1 to EE1): 56,250 WVR ordinary shares A Total increase/ decrease (-) in treasury shares during the month (i.e. Total of AA2 to EE2): 0 WVR ordinary shares A Repurchase of a total of 5,400 Class A ordinary shares were made on December 30 and 31, 2025 on Stock Exchange, but such shares had not yet been cancelled as at December 31, 2025.

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FF301 Page 8 of 10 v 1.1.1 IV. Information about Hong Kong Depositary Receipt (HDR) Not applicable

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FF301 Page 9 of 10 v 1.1.1 V. Confirmations Pursuant to Main Board Rule 13.25C / GEM Rule 17.27C, we hereby confirm to the best knowledge, information and belief that, in relation to each of the securities issued, or the treasury shares sold or transferred by the issuer during the month as set out in Parts III and IV which has not been previously disclosed in a return published under Main Board Rule 13.25A / GEM Rule 17.27A, it has been duly authorised by the board of directors of the listed issuer and carried out in compliance with all applicable listing rules, laws and other regulatory requirements and, insofar as applicable: (Note 4) (i) all money due to the listed issuer in respect of the issue of securities, or sale or transfer of treasury shares has been received by it; (ii) all pre-conditions for listing imposed by the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited under "Qualifications of listing" have been fulfilled; (iii) all (if any) conditions contained in the formal letter granting listing of and permission to deal in the securities have been fulfilled; (iv) all the securities of each class are in all respects identical (Note 5); (v) all documents required by the Companies (Winding Up and Miscellaneous Provisions) Ordinance to be filed with the Registrar of Companies have been duly filed and that compliance has been made with all other legal requirements; (vi) all the definitive documents of title have been delivered/are ready to be delivered/are being prepared and will be delivered in accordance with the terms of issue, sale or transfer; (vii) completion has taken place of the purchase by the issuer of all property shown in the listing document to have been purchased or agreed to be purchased by it and the purchase consideration for all such property has been duly satisfied; and (viii) the trust deed/deed poll relating to the debenture, loan stock, notes or bonds has been completed and executed, and particulars thereof, if so required by law, have been filed with the Registrar of Companies. Submitted by: Wang Xuechen Title: Capital Market Senior Manager (Director, Secretary or other Duly Authorised Officer)

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FF301 Page 10 of 10 v 1.1.1 Notes 1. The Exchange refers to The Stock Exchange of Hong Kong Limited. 2. In the case of repurchase of shares (shares repurchased and cancelled) and redemption of shares (shares redeemed and cancelled), "date of event" should be construed as "cancellation date". In the case of repurchase of shares (shares held as treasury shares), "date of event" should be construed as "date on which shares were repurchased and held by the issuer in treasury". 3. The information is required in the case of repurchase of shares (shares repurchased for cancellation but not yet cancelled) and redemption of shares (shares redeemed but not yet cancelled). Please state the number of shares repurchased or redeemed during the month or in preceding month(s) but pending cancellation as at close of the month as a negative number. 4. Items (i) to (viii) are suggested forms of confirmation. The listed issuer may amend the item(s) that is/are not applicable to meet individual cases. Where the issuer has already made the relevant confirmations in a return published under Main Board Rule 13.25A / GEM Rule 17.27A in relation to the securities issued, or the treasury shares sold or transferred, no further confirmation is required to be made in this return. 5. “Identical” means in this context: . the securities are of the same nominal value with the same amount called up or paid up; . they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and . they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respects.

Exhibit 99.2

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FF305 Page 1 of 5 v 1.3.0 Next Day Disclosure Return (Equity issuer - changes in issued shares or treasury shares, share buybacks and/or on-market sales of treasury shares) Instrument: Equity issuer Status: New Submission Name of Issuer: Tuya Inc. Date Submitted: 29 December 2025 Section I must be completed by a listed issuer where there has been a change in its issued shares or treasury shares which is discloseable pursuant to rule 13.25A of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Exchange”) (the “Main Board Rules”) or rule 17.27A of the Rules Governing the Listing of Securities on GEM of the Exchange (the “GEM Rules”). Section I 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange Yes Stock code (if listed) 02391 Description A. Changes in issued shares or treasury shares Changes in issued shares Changes in treasury (excluding treasury shares) shares Events Number of issued shares (excluding treasury shares) As a % of existing number of issued shares (excluding treasury shares) before the relevant event Number of treasury shares Issue/ selling price per share (Note 4) Total number of issued shares (Note 3) Opening balance as at (Note 1) 30 November 2025 541,308,673 0 541,308,673 1). Issue of new shares or transfer of treasury shares in respect of share awards or options granted to a participant (who is not a director of the issuer) under a share scheme - new shares involved Exercise of options or restricted share units by employees (other than directors) pursuant to the 2015 Equity Incentive Plan Date of changes 29 December 2025 56,250 0.0092 % USD 0.00005 Closing balance as at (Notes 5 and 6) 29 December 2025 541,364,923 0 541,364,923

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FF305 Page 2 of 5 v 1.3.0 Remarks: Issued shares as a % of existing number of issued shares before relevant share issue calculated based on the Company's total number of issued shares of 611,471,926 shares (comprising 541,308,673 Class A ordinary shares and 70,163,253 Class B ordinary shares). B. Shares redeemed or repurchased for cancellation but not yet cancelled as at the closing balance date (Notes 5 and 6) Not applicable

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FF305 Page 3 of 5 v 1.3.0 Confirmation Not applicable Notes to Section I: 1. Please insert the closing balance date of the last Next Day Disclosure Return published pursuant to Main Board Rule 13.25A / GEM Rule 17.27A or Monthly Return pursuant to Main Board Rule 13.25B / GEM Rule 17.27B, whichever is the later. 2. Please set out all changes in issued shares or treasury shares requiring disclosure pursuant to Main Board Rule 13.25A / GEM Rule 17.27A together with the relevant dates of changes. Each category will need to be disclosed individually with sufficient information to enable the user to identify the relevant category in the listed issuer's Monthly Return. For example, multiple issues of shares as a result of multiple exercises of share options under the same share option scheme or of multiple conversions under the same convertible note must be aggregated and disclosed as one category. However, if the issues resulted from exercises of share options under 2 share option schemes or conversions of 2 convertible notes, these must be disclosed as 2 separate categories. 3. The percentage change in the number of issued shares (excluding treasury shares) of the listed issuer is to be calculated by reference to the opening balance of the number of issued shares (excluding treasury shares) being disclosed in this Next Day Disclosure Return. 4. In the case of a share repurchase or redemption, the “issue/ selling price per share” shall be construed as “repurchase price per share” or “redemption price per share”. Where shares have been issued/ sold/ repurchased/ redeemed at more than one price per share, a volume-weighted average price per share should be given. 5. The closing balance date is the date of the last relevant event being disclosed. 6. For repurchase or redemption of shares, disclosure is required when the relevant event has occurred (subject to the provisions of Main Board Rules 10.06(4)(a), 13.25A and 13.31 / GEM Rules 13.13(1), 17.27A and 17.35), even if the repurchased or redeemed shares have not yet been cancelled. If repurchased or redeemed shares are to be cancelled upon settlement of such repurchase or redemption after the closing balance date, they shall remain part of the issued shares as at the closing balance date in Part A. Details of these repurchased or redeemed shares shall be disclosed in Part B. 7. Items (i) to (viii) are suggested forms of confirmation. The listed issuer may amend the item(s) that is/are not applicable to meet individual cases. 8. “Identical” means in this context: - the securities are of the same nominal value with the same amount called up or paid up; - they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and - they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respects.

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FF305 Page 4 of 5 v 1.3.0 Section II must also be completed by a listed issuer where it has made a repurchase of shares which is discloseable under Main Board Rule 10.06(4)(a) / GEM Rule 13.13(1). Repurchase report Not applicable

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FF305 Page 5 of 5 v 1.3.0 Section III must also be completed by a listed issuer where it has made a sale of treasury shares on the Exchange or any other stock exchange on which the issuer is listed which is discloseable under Main Board Rule 10.06B / GEM Rule 13.14B. Report of on-market sale of treasury shares Not applicable Submitted by: Wang Xuechen (Name) Title: Senior Manager | Capital Market (Director, Secretary or other Duly Authorised Officer)

Exhibit 99.3

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FF305 Page 1 of 6 v 1.3.0 Next Day Disclosure Return (Equity issuer - changes in issued shares or treasury shares, share buybacks and/or on-market sales of treasury shares) Instrument: Equity issuer Status: New Submission Name of Issuer: Tuya Inc. Date Submitted: 30 December 2025 Section I must be completed by a listed issuer where there has been a change in its issued shares or treasury shares which is discloseable pursuant to rule 13.25A of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Exchange”) (the “Main Board Rules”) or rule 17.27A of the Rules Governing the Listing of Securities on GEM of the Exchange (the “GEM Rules”). Section I 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange Yes Stock code (if listed) 02391 Description A. Changes in issued shares or treasury shares Events Changes in issued shares (excluding treasury shares) Changes in treasury shares Issue/ selling price per share (Note 4) Total number of issued Number of issued shares shares (excluding treasury shares) As a % of existing number of issued shares (excluding treasury shares) before the relevant event (Note 3) Number of treasury shares Opening balance as at (Note 1) 29 December 2025 541,364,923 0 541,364,923 1). Other (please specify) see part B Date of changes 30 December 2025 % Closing balance as at (Notes 5 and 6) 30 December 2025 541,364,923 0 541,364,923

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FF305 Page 2 of 6 v 1.3.0 B. Shares redeemed or repurchased for cancellation but not yet cancelled as at the closing balance date (Notes 5 and 6) 1). Repurchase of shares (or other securities) but not cancelled Date of changes 30 December 2025 2,000 0.0003 % HKD 17.119 Remarks: Issued shares as a % of existing number of issued shares before relevant share issue calculated based on the Company's total number of issued shares of 611,528,176 shares (comprising 541,364,923 Class A ordinary shares and 70,163,253 Class B ordinary shares).

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FF305 Page 3 of 6 v 1.3.0 Confirmation Not applicable Notes to Section I: 1. Please insert the closing balance date of the last Next Day Disclosure Return published pursuant to Main Board Rule 13.25A / GEM Rule 17.27A or Monthly Return pursuant to Main Board Rule 13.25B / GEM Rule 17.27B, whichever is the later. 2. Please set out all changes in issued shares or treasury shares requiring disclosure pursuant to Main Board Rule 13.25A / GEM Rule 17.27A together with the relevant dates of changes. Each category will need to be disclosed individually with sufficient information to enable the user to identify the relevant category in the listed issuer's Monthly Return. For example, multiple issues of shares as a result of multiple exercises of share options under the same share option scheme or of multiple conversions under the same convertible note must be aggregated and disclosed as one category. However, if the issues resulted from exercises of share options under 2 share option schemes or conversions of 2 convertible notes, these must be disclosed as 2 separate categories. 3. The percentage change in the number of issued shares (excluding treasury shares) of the listed issuer is to be calculated by reference to the opening balance of the number of issued shares (excluding treasury shares) being disclosed in this Next Day Disclosure Return. 4. In the case of a share repurchase or redemption, the “issue/ selling price per share” shall be construed as “repurchase price per share” or “redemption price per share”. Where shares have been issued/ sold/ repurchased/ redeemed at more than one price per share, a volume-weighted average price per share should be given. 5. The closing balance date is the date of the last relevant event being disclosed. 6. For repurchase or redemption of shares, disclosure is required when the relevant event has occurred (subject to the provisions of Main Board Rules 10.06(4)(a), 13.25A and 13.31 / GEM Rules 13.13(1), 17.27A and 17.35), even if the repurchased or redeemed shares have not yet been cancelled. If repurchased or redeemed shares are to be cancelled upon settlement of such repurchase or redemption after the closing balance date, they shall remain part of the issued shares as at the closing balance date in Part A. Details of these repurchased or redeemed shares shall be disclosed in Part B. 7. Items (i) to (viii) are suggested forms of confirmation. The listed issuer may amend the item(s) that is/are not applicable to meet individual cases. 8. “Identical” means in this context: - the securities are of the same nominal value with the same amount called up or paid up; - they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and - they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respects.

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FF305 Page 4 of 6 v 1.3.0 Not applicableWe hereby confirm that the repurchases made on the Exchange set out in Part A above were made in accordance with the Main Board Rules and that there have been no material changes to the particulars contained in the Explanatory Statement dated May 16, 2025 which has been filed with the Exchange. We also confirm that any repurchases made on another stock Section II must also be completed by a listed issuer where it has made a repurchase of shares which is discloseable under Main Board Rule 10.06(4)(a) / GEM Rule 13.13(1). Repurchase report Section II 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange Yes Stock code (if listed) 02391 Description A. Repurchase report Number of shares Method of repurchase Repurchase price per share or Lowest repurchase Trading date repurchased (Note 1) highest repurchase price per price per share $ Aggregate price paid $ share $ 1). 30 December 2025 2,000 On the Exchange HKD 17.2 HKD 16.85 HKD 34,310.14 Total number of shares 2,000 Aggregate price paid $ HKD 34,310.14 repurchased Number of shares repurchased for 2,000 cancellation Number of shares repurchased for holding as treasury shares B. 1). Additional information for issuer who has a primary listing on the Exchange Date of the resolution granting the repurchase mandate 19 June 2025 2). Total number of shares which the issuer is authorised to repurchase under the repurchase mandate 60,972,194 3). Number of shares repurchased on the Exchange or another stock exchange under the repurchase mandate (a) 2,000 0.0003 % Up to 29 January 2026 4). As a % of number of issued shares (excluding treasury shares) as at the date of the resolution granting the repurchase mandate (a) x 100 / number of issued shares (excluding treasury shares) as at the date of the resolution granting the repurchase mandate 5). Moratorium period for any issue of new shares, or sale or transfer of treasury shares after the share repurchase(s) set out in Part A (Note 2)

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FF305 Page 5 of 6 v 1.3.0 Notes to Section II: 1. Please state whether the repurchase was made on the Exchange, on another stock exchange (stating the name of the exchange), by private arrangement or by general offer. 2. Subject to the carve-out set out in Main Board Rule 10.06(3)(a)/ GEM Rule 13.12, an issuer may not (i) make a new issue of shares, or a sale or transfer of any treasury shares; or (ii) announce a proposed new issue of shares, or a sale or transfer of any treasury shares, for a period of 30 days after any purchase by it of shares, whether on the Exchange or otherwise, without the prior approval of the Exchange. exchange set out in Part A above were made in accordance with the domestic rules applying to repurchases on that other stock exchange.

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FF305 Page 6 of 6 v 1.3.0 Section III must also be completed by a listed issuer where it has made a sale of treasury shares on the Exchange or any other stock exchange on which the issuer is listed which is discloseable under Main Board Rule 10.06B / GEM Rule 13.14B. Report of on-market sale of treasury shares Not applicable Submitted by: Wang Xuechen (Name) Title: Senior Manager | Capital Market (Director, Secretary or other Duly Authorised Officer)

Exhibit 99.4

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FF305 Page 1 of 6 v 1.3.0 Next Day Disclosure Return (Equity issuer - changes in issued shares or treasury shares, share buybacks and/or on-market sales of treasury shares) Instrument: Equity issuer Status: New Submission Name of Issuer: Tuya Inc. Date Submitted: 31 December 2025 Section I must be completed by a listed issuer where there has been a change in its issued shares or treasury shares which is discloseable pursuant to rule 13.25A of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Exchange”) (the “Main Board Rules”) or rule 17.27A of the Rules Governing the Listing of Securities on GEM of the Exchange (the “GEM Rules”). Section I 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange Yes Stock code (if listed) 02391 Description A. Changes in issued shares or treasury shares Events Changes in issued shares (excluding treasury shares) Changes in treasury shares Issue/ selling price per share (Note 4) Total number of issued Number of issued shares shares (excluding treasury shares) As a % of existing number of issued shares (excluding treasury shares) before the relevant event (Note 3) Number of treasury shares Opening balance as at (Note 1) 30 December 2025 541,364,923 0 541,364,923 1). Other (please specify) see part B Date of changes 31 December 2025 % Closing balance as at (Notes 5 and 6) 31 December 2025 541,364,923 0 541,364,923

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FF305 Page 2 of 6 v 1.3.0 B. Shares redeemed or repurchased for cancellation but not yet cancelled as at the closing balance date (Notes 5 and 6) 1). Repurchase of shares (or other securities) but not cancelled Date of changes 30 December 2025 2,000 % HKD 17.119 2). Repurchase of shares (or other securities) but not cancelled Date of changes 31 December 2025 3,400 0.0006 % HKD 16.9253 Remarks: Issued shares as a % of existing number of issued shares before relevant share issue calculated based on the Company's total number of issued shares of 611,528,176 shares (comprising 541,364,923 Class A ordinary shares and 70,163,253 Class B ordinary shares).

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FF305 Page 3 of 6 v 1.3.0 Confirmation Not applicable Notes to Section I: 1. Please insert the closing balance date of the last Next Day Disclosure Return published pursuant to Main Board Rule 13.25A / GEM Rule 17.27A or Monthly Return pursuant to Main Board Rule 13.25B / GEM Rule 17.27B, whichever is the later. 2. Please set out all changes in issued shares or treasury shares requiring disclosure pursuant to Main Board Rule 13.25A / GEM Rule 17.27A together with the relevant dates of changes. Each category will need to be disclosed individually with sufficient information to enable the user to identify the relevant category in the listed issuer's Monthly Return. For example, multiple issues of shares as a result of multiple exercises of share options under the same share option scheme or of multiple conversions under the same convertible note must be aggregated and disclosed as one category. However, if the issues resulted from exercises of share options under 2 share option schemes or conversions of 2 convertible notes, these must be disclosed as 2 separate categories. 3. The percentage change in the number of issued shares (excluding treasury shares) of the listed issuer is to be calculated by reference to the opening balance of the number of issued shares (excluding treasury shares) being disclosed in this Next Day Disclosure Return. 4. In the case of a share repurchase or redemption, the “issue/ selling price per share” shall be construed as “repurchase price per share” or “redemption price per share”. Where shares have been issued/ sold/ repurchased/ redeemed at more than one price per share, a volume-weighted average price per share should be given. 5. The closing balance date is the date of the last relevant event being disclosed. 6. For repurchase or redemption of shares, disclosure is required when the relevant event has occurred (subject to the provisions of Main Board Rules 10.06(4)(a), 13.25A and 13.31 / GEM Rules 13.13(1), 17.27A and 17.35), even if the repurchased or redeemed shares have not yet been cancelled. If repurchased or redeemed shares are to be cancelled upon settlement of such repurchase or redemption after the closing balance date, they shall remain part of the issued shares as at the closing balance date in Part A. Details of these repurchased or redeemed shares shall be disclosed in Part B. 7. Items (i) to (viii) are suggested forms of confirmation. The listed issuer may amend the item(s) that is/are not applicable to meet individual cases. 8. “Identical” means in this context: - the securities are of the same nominal value with the same amount called up or paid up; - they are entitled to dividend/interest at the same rate and for the same period, so that at the next ensuing distribution, the dividend/interest payable per unit will amount to exactly the same sum (gross and net); and - they carry the same rights as to unrestricted transfer, attendance and voting at meetings and rank pari passu in all other respects.

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FF305 Page 4 of 6 v 1.3.0 We hereby confirm that the repurchases made on the Exchange set out in Part A above were made in accordance with the Main Board Rules and that there have been no material changes to the particulars contained in the Explanatory Statement dated May 16, 2025 which has been filed with the Exchange. Section II must also be completed by a listed issuer where it has made a repurchase of shares which is discloseable under Main Board Rule 10.06(4)(a) / GEM Rule 13.13(1). Repurchase report Section II 1. Class of shares WVR ordinary shares Type of shares A Listed on the Exchange Yes Stock code (if listed) 02391 Description A. Repurchase report Number of shares Method of repurchase Repurchase price per share or Lowest repurchase Trading date repurchased (Note 1) highest repurchase price per price per share $ Aggregate price paid $ share $ 1). 31 December 2025 3,400 On the Exchange HKD 17.13 HKD 16.53 HKD 57,546.02 Total number of shares 3,400 Aggregate price paid $ HKD 57,546.02 repurchased Number of shares repurchased for 3,400 cancellation Number of shares repurchased for holding as treasury shares B. 1). Additional information for issuer who has a primary listing on the Exchange Date of the resolution granting the repurchase mandate 19 June 2025 2). Total number of shares which the issuer is authorised to repurchase under the repurchase mandate 60,972,194 3). Number of shares repurchased on the Exchange or another stock exchange under the repurchase mandate (a) 3,400 0.0006 % Up to 30 January 2026 4). As a % of number of issued shares (excluding treasury shares) as at the date of the resolution granting the repurchase mandate (a) x 100 / number of issued shares (excluding treasury shares) as at the date of the resolution granting the repurchase mandate 5). Moratorium period for any issue of new shares, or sale or transfer of treasury shares after the share repurchase(s) set out in Part A (Note 2)

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FF305 Page 5 of 6 v 1.3.0 Notes to Section II: 1. Please state whether the repurchase was made on the Exchange, on another stock exchange (stating the name of the exchange), by private arrangement or by general offer. 2. Subject to the carve-out set out in Main Board Rule 10.06(3)(a)/ GEM Rule 13.12, an issuer may not (i) make a new issue of shares, or a sale or transfer of any treasury shares; or (ii) announce a proposed new issue of shares, or a sale or transfer of any treasury shares, for a period of 30 days after any purchase by it of shares, whether on the Exchange or otherwise, without the prior approval of the Exchange.

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FF305 Page 6 of 6 v 1.3.0 Section III must also be completed by a listed issuer where it has made a sale of treasury shares on the Exchange or any other stock exchange on which the issuer is listed which is discloseable under Main Board Rule 10.06B / GEM Rule 13.14B. Report of on-market sale of treasury shares Not applicable Submitted by: Wang Xuechen (Name) Title: Senior Manager | Capital Market (Director, Secretary or other Duly Authorised Officer)