Summary of CSRC-initiated investigations and stock-related compensation claims for 2026

(IV) April 2026 Cases (21 companies) No. Stock Code Stock Name Date of Initiation Reason for Initiation Preliminary Claim Period 21 603008 Xilinmen 2026.4.1 Funds misappropriated by controlling shareholder Bought before 2026.3.27; sold after 2026.3.28 or held with losses 22 002102 Nengte Technology 2026.4.1 Disclosure violation (second initiation) Bought before announcement date; sold after announcement or held with losses 23 600850 Dianke Digital 2026.4.3 Misleading statements Bought before announcement date; sold after announcement or held with losses 24 603733 Xianhe Co., Ltd. 2026.4.3 Disclosure violation Bought before announcement date; sold after announcement or held with losses 25 000818 Hangjin Technology 2026.4.3 Disclosure violation Bought before announcement date; sold after announcement or held with losses 26 688287 *ST Guandian 2026.4.3 Funds misappropriation / illegal guarantees Bought before announcement date; sold after announcement or held with losses 27 920023 Tianye Co., Ltd. 2026.4.3 Company + Chairman under investigation Bought before announcement date; sold after announcement or held with losses 28 603169 Lanshi Heavy Equipment 2026.4.9 Company + controlling shareholder under investigation Bought before announcement date; sold after announcement or held with losses 29 000892 Huanrui Century 2026.4.22 Inflated profits in 2022 financial reporting Bought before announcement date; sold after announcement or held with losses 30 603363 Aonong Bio 2026.4.22 Disclosure violation Bought before announcement date; sold after announcement or held with losses 31 000909 *ST Shuyuan 2026.4.22 Consecutive losses & disclosure violations Bought between 2021.4.22–2026.4.22; held with losses after 2026.4.22 32 600810 Shenma Co., Ltd. 2026.4.24 Undisclosed related-party transactions Bought before announcement date; sold after announcement or held with losses 33 605081 *ST Taihe 2026.4.20 Revenue inflation & fabricated construction projects Bought between 2026.1.30–2026.3.19; claimable regardless of sale status 34 600730 China High-Tech Education 2026.4.25 Financial risk (not under investigation) — 35 600423 Liuhua Co., Ltd. 2026.4.25 Financial risk (not under investigation) — 36 002690 Bangjie Co., Ltd. 2026.4.25 Financial risk (not under investigation) — 37 603360 Biao Chemical 2026.4.27 Revenue recognition across periods at subsidiary Bought before 2026.4.27; sold after 2026.4.28 or held with losses 38 002779 Zhongjian Science & Technology 2026.4.27 Speculative hype & incomplete disclosure Bought before 2026.4.27; sold after 2026.4.28 or held with losses 39 002109 Xinghua Co., Ltd. 2026.4.29 Accounting errors & internal control deficiencies Bought before 2026.4.29; sold after 2026.4.30 or held with losses 40 300663 Kelan Software 2026.4.30 Non-compliant revenue accounting & funds misappropriation Bought after 2020 annual report release through 2026.4.30; held with losses 41 600182 Jiatong Tire 2026.4.30 Undisclosed changes in controlling shareholder’s shareholding Bought before 2026.4.30; sold after 2026.5.1 or held with losses 42 000567 HaiDe Co., Ltd. 2025.11.29 RMB 884 million funds misappropriated Bought between April 2021–November 2025; sold after December 2025 or held with losses 43 603599 Guangxin Chemical 2026.4.30 Controlling shareholder’s shareholding change disclosure violation To be determined upon conclusion of investigation 44 603169 Lanshi Heavy Equipment 2026.4.9 Company + controlling shareholder funds misappropriation Bought between 2021.4.23–2026.4.22; held with losses

Learn some basics about stock-related compensation claims

Many rights-protection lawyers maintain personal blogs or WeChat public accounts where they also compile such information. These lawyers typically disclose the latest developments regarding the compensation claim cases they handle—such as which cases are nearing the statute of limitations and thus require prompt filing, which listed companies are currently under investigation, and which have already been penalized. What conditions must investors meet to file a compensation claim? 1. The purchased stock must involve securities fraud (i.e., false statements), and the relevant authority must have imposed administrative penalties or criminal convictions. 2. The timing of buying and selling the stock must satisfy specific criteria: — Purchase timing: Shares must be bought after the false statement was made (the “implementation date”) but before it was publicly disclosed (the “exposure date”). — Sale timing: Shares must be sold after the exposure date—or remain unsold. In short, investors must have purchased shares after the implementation date and continued holding them until after the exposure date. • The “implementation date” refers to the day on which the false statement was made or occurred. • The “exposure date” refers to the first day the false statement was publicly disclosed in nationally distributed or broadcast media. 3. Claims must be filed before the expiration of the statutory limitation period. What documents do investors need to prepare for a compensation claim? If an investor has purchased shares of a listed company that has been penalized, they may first self-check whether their situation meets the lawsuit eligibility criteria published by lawyers—or directly consult a lawyer. If the case has litigation merit, investors should prepare the following materials: 1. A complete record of all buy/sell transactions for the loss-making stock, printed from the brokerage branch and stamped with its official seal; 2. The account opening application form issued by the brokerage branch, stamped with its official seal; 3. A photocopy of the account holder’s ID card. Investors pursuing compensation claims must exercise necessary patience.

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