HKEX Insider Activity — 2026-08-19

by hk-insider-activities-daily

🇭🇰 HKEX DI Report — 2026-08-19

🆕 NEW ENTRY — 1566 CA Cultural Technology Group ← Kenichi Yanase, bought 530.8M shares @ HKD 0.18 for HKD 94.1M total; now at 74.97% (new notifiable entry) Read: Yanase Kenichi disclosed a debut 74.97% controlling majority in CA Cultural Technology via an ~HKD 94M acquisition — an effective change-of-control entry.

🆕 NEW ENTRY — 6821 Asymchem Laboratories (H Shares) ← Goldman Sachs, bought 44,100 shares @ HKD 116.38 for HKD 5.13M total; now at 5.10% (increased by 0.16pp, crossing notifiable threshold) Read: Goldman Sachs crossed the 5% notifiable threshold in Asymchem Laboratories' H shares, initiating a reportable position in this leading contract drug manufacturer.

🆕 NEW ENTRY — 6951 Chaozhou Three-Circle (H Shares) ← Morgan Stanley, bought 98,000 shares @ HKD 130.90 for HKD 12.8M total; now at 5.11% (increased by 0.12pp, crossing notifiable threshold) Read: Morgan Stanley crossed the 5% threshold in Chaozhou Three-Circle's H shares, establishing a notifiable position in this passive-components and ceramics specialist.

🆕 NEW ENTRY — 6082 Shanghai Biren Technology (H Shares) ← Morgan Stanley, bought 769,481 shares @ HKD 38.87 for HKD 29.9M total; now at 5.04% (increased by 0.06pp, crossing notifiable threshold) Read: Morgan Stanley crossed the 5% notifiable threshold in AI-chip maker Shanghai Biren Technology's H shares, deploying ~HKD 30M to land fractionally above the disclosure line.

🆕 NEW ENTRY — 3661 SG Micro Corp (H Shares) ← Morgan Stanley, bought 110,900 shares @ HKD 106.19 for HKD 11.8M total; now at 5.01% (increased by 0.18pp, crossing notifiable threshold) Read: Morgan Stanley crossed the 5% notifiable threshold in SG Micro's H shares, building a slim reportable position in this domestic analog-chip designer.

🆕 NEW ENTRY — 3308 Zhongji InnoLight (H Shares) ← BNY Mellon, now at 6.55% (aggregate increased by 4.31pp following intra-group entity reshuffle, crossing notifiable threshold) Read: A large intra-group reallocation within BNY Mellon surfaced its aggregate holding in Zhongji InnoLight's H shares at 6.55%, well above the 5% notifiable threshold.

🆕 NEW ENTRY — 6881 China Galaxy Securities (H Shares) ← BlackRock, now at 5.11% (aggregate increased by 0.28pp following intra-group entity reshuffle, crossing notifiable threshold) Read: An intra-group entity reshuffle within BlackRock consolidated its aggregate interest in China Galaxy Securities above the 5% notifiable threshold to 5.11%.

🆕 NEW ENTRY — 136 China Ruyi Holdings ← BlackRock, now at 5.25% (aggregate increased by 0.50pp following intra-group entity reshuffle, crossing notifiable threshold) Read: BlackRock's internal entity restructuring pushed its combined stake in China Ruyi Holdings to 5.25%, crossing the disclosure threshold and triggering a fresh filing.

🆕 NEW ENTRY — 300 Midea Group (H Shares) ← BlackRock, now at 5.05% (aggregate increased by 0.15pp following intra-group entity reshuffle, crossing notifiable threshold) Read: BlackRock's intra-group reallocation nudged its aggregate in Midea Group's H shares to 5.05%, crossing the notifiable threshold by the narrowest of margins.

🆕 NEW ENTRY — 2382 Sunny Optical Technology ← BlackRock, now at 5.01% (aggregate increased by 0.24pp following intra-group entity reshuffle, crossing notifiable threshold) Read: BlackRock's related-entity consolidation lifted its combined stake in Sunny Optical Technology to 5.01%, crossing the 5% notifiable threshold by just 1 basis point.

⚙️ OPTION/CONVERSION — 918 Majestic Dragon AeroTech ← Always Profit Development / dir. Jinbing Zhang, subscribed 300M new shares @ HKD 1.00 for HKD 300M total; stake now at 20.40% (decreased by 26.93pp post-dilution) Read: Director Jinbing Zhang's vehicle Always Profit Development injected HKD 300M into Majestic Dragon AeroTech via a new-share subscription at HKD 1.00 each, but concurrent large-scale share issuances across the placement diluted the group's proportional stake by 26.93pp to 20.40%.

🔵 MAINTENANCE — Securities borrowing/lending pool reclassifications (reason 1704); no economic transactions:

• 9688 Zai Lab ← RA Capital group (RA Capital Management L.P., RA Capital Healthcare Fund L.P., RA Capital Healthcare Fund GP LLC, Anna Haas Kolchinsky, Peter Kolchinsky): 4.15%, decreased by 0.90pp
• 325 Bloks Group ← Hao Chen / IDEA GREAT LIMITED / Beijing Junqi Jiarui Enterprise Management Co., Ltd.: 4.47–4.67%, decreased by 1.49–1.56pp Read: All eight filings are prime-broker bookkeeping entries reflecting shares reclassified between lending and proprietary buckets within the same beneficial-owner groups — no actual buying or selling of shares occurred.