SCHEDULE 13D/A 0001997679 XXXXXXXX LIVE 2 Ordinary shares, no par value 08/12/2025 false 0001891944 Y708VV108 PRIMECH HOLDINGS LTD.

23 Ubi Crescent Singapore U0 408579

Kit Yu Lee 65 6286 1868 23 Ubi Crescent Singapore U0 408579 0001997679 N Sapphire Universe Holdings Limited OO N D8 29287500.00 0.00 29287500.00 0.00 29287500.00 N 76.23 CO (1) Represents 29,287,500 ordinary shares, no par value, (the "Ordinary Shares"), of Primech Holdings Ltd., a company incorporated under the laws of Singapore (the "Company"). (2) Percentage is calculated based on 38,417,987 Ordinary Shares outstanding as of July 24, 2025, as reported by the Company in its Annual Report on Form 20-F, filed on July 23, 2025. (3) Sapphire Universe is owned by Bright Oracle Limited, Oriental Unicorn Limited and Shining Valkyrie Development Limited which hold 15.5%, 48.5% and 36%, respectively, of the outstanding shares of Sapphire Universe. Mr. Kin Wai Ho owns and controls Bright Oracle Limited. As such, Mr. Kin Wai Ho is deemed to beneficially own 4,849,563 Ordinary Shares held through Bright Oracle Limited. Mr. Kin Wai Ho and Mr. Jin Ngee Vernon Kwek beneficially owns and controls 83.5% and 16.5% of the issued and outstanding shares of Oriental Unicorn Limited, respectively. As such, Mr. Kin Wai Ho deemed to beneficially own 15,174,437 Ordinary Shares held through Oriental Unicorn Limited. Shining Valkyrie Development Limited is a wholly-owned subsidiary of Delight Treasure Holdings Limited. Mr. Cyrus Jun Ming Wen owns and controls Delight Treasure Holdings Limited. As such, Mr. Cyrus Jun Ming Wen is deemed to beneficially own 11,263,500 Shares held through Shining Valkyrie Development Limited. Ordinary shares, no par value PRIMECH HOLDINGS LTD. 23 Ubi Crescent Singapore U0 408579 This Statement is filed by Sapphire Universe Holdings Limited (the "Reporting Person"). The business address of the Reporting Person is 23 Ubi Crescent, Singapore 408579. The principal business of Sapphire Universe Holdings Limited is a holding company of its passive investment. During the last five years, the Reporting Person has not been (i) convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or (ii) a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. During the last five years, the Reporting Person has not been (i) convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or (ii) a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. Sapphire Universe Holdings Limited is a British Virgin Islands company. The Reporting Person became the beneficial owner of 2 Ordinary Shares of the Issuer on December 29, 2020, upon its incorporation. On November 22, 2021, the Issuer allotted and issued 32,499,998 Ordinary Shares to the Reporting Person. On November 24, 2021, the Reporting Person transferred 1,212,500 Ordinary Shares to certain transferees, resulting it its holding of 31,287,500 Ordinary Shares. On August 12, 2025, the Reporting Person transferred 2,000,000 Ordinary Shares to certain transferees, resulting it its holding of 29,287,500 Ordinary Shares. The Reporting Person does not have any present plans or proposals that relate to or would result in any of the actions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D, although, subject to the agreements described herein, the Reporting Person, at any time, and from time to time, may review, reconsider and change their position and/or change their purpose and/or develop such plans and may seek to influence management of the Issuer or the Board of Directors with respect to the business and affairs of the Issuer and may from time to time consider pursuing or proposing such matters with advisors, the Issuer, or other persons. The responses of the Reporting Person with respect to Rows 11 and 13 on the cover pages of this Statement that relate to the aggregate number and percentage of Ordinary Shares (including, but not limited to, footnotes to such information) are incorporated herein by reference. The responses of the Reporting Person with respect to Rows 7, 8, 9, and 10 of the cover pages of this Statement that relate to the number of Ordinary Shares as to which the Reporting Person referenced in Item 2 above has sole or shared power to vote or to direct the vote of and sole or shared power to dispose of or to direct the disposition of (including, but not limited to, footnotes to such information) are incorporated herein by reference. The responses of the Reporting Person with respect to Rows 11 and 13 on the cover pages of this Statement that relate to the aggregate number and percentage of Ordinary Shares (including, but not limited to, footnotes to such information) are incorporated herein by reference. The responses of the Reporting Person with respect to Rows 7, 8, 9, and 10 of the cover pages of this Statement that relate to the number of Ordinary Shares as to which the Reporting Person referenced in Item 2 above has sole or shared power to vote or to direct the vote of and sole or shared power to dispose of or to direct the disposition of (including, but not limited to, footnotes to such information) are incorporated herein by reference. Except as set forth in this Statement, the Reporting Person has not, to the best of their knowledge, engaged in any transaction with respect to the Issuer's Ordinary Shares during the sixty days prior to the date of filing this Statement. Except as described in Item 3, no person other than the Reporting Person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the shares of the Issuer's Ordinary Shares beneficially owned by the Reporting Person as reported in this Statement. Not applicable. To the knowledge of the Reporting Person, except for the matters described in this Schedule 13D, there is no contract, arrangement, understanding or relationship (legal or otherwise) among the Reporting Person or between the Reporting Persons and any other person with respect to any securities of the Issuer. Sapphire Universe Holdings Limited /s/ Kit Yu Lee 08/12/2025