X0202 SCHEDULE 13G 0002148236 XXXXXXXX LIVE Class A Ordinary Shares, par value $0.0001 per share 06/30/2026 0001783407 Sound Group Inc. 53933L203 108 ROBINSON ROAD #09-01 SINGAPORE U0 068900 Rule 13d-1(b) OP Investment Management Limited K3 0.00 39500000.00 0.00 39500000.00 39500000.00 6.5 FI OP Investment Management Limited licensed by the Securities and Futures Commission of Hong Kong to conduct Type 1 (Dealing in Securities), Type 4 (Advising on Securities), and Type 9 (Asset Management) regulated activities in Hong Kong (CE No.: AJH044). Sound Group Inc. 108 ROBINSON ROAD, #09-01, SINGAPORE, SINGAPORE, 068900. OP Investment Management Limited Room 2501-2504, 25/F, New World Tower 1, 16-18 Queen's Road Central, Central, Hong Kong Hong Kong N FI OP Investment Management Limited licensed by the Securities and Futures Commission of Hong Kong to conduct Type 1 (Dealing in Securities), Type 4 (Advising on Securities), and Type 9 (Asset Management) regulated activities in Hong Kong (CE No.: AJH044). 39,500,000 6.5% 0 39,500,000 0 39,500,000 Y N N The securities beneficially owned by the Reporting Person are directly held by Trivista Capital SPC - Trivista China SP I, for which OP Investment Management Limited serves as the sub-investment manager. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ? 240.14a-11. By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to non-U.S. institution subject to a regulatory scheme that is substantially comparable to the regulatory scheme applicable to the equivalent U.S. institution is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D. OP Investment Management Limited Yep Oi Ting Candy 08/06/2026