Latest filing published 30 Jun 2026 for BrainAurora Medical Technology Ltd. - B, €56k.
Filing timeline
BuySaleInsider track record
Across 12 buy signals with a settled T+90 return. Return basis: close on the day after publication.
TAN Zheng: trading record in brief
This profile gathers the share dealings of TAN Zheng across 2 companies, led by BrainAurora Medical Technology Ltd. - B and Immunotech Biopharm Ltd. - B. The record holds 32 filings, for trades running from 10 July 2020 to 26 June 2026.
Market trades split into 15 purchases (€58.2M) and 7 sales (€84.5M). The totals do not cover 2 filings with an undisclosed amount. Unlike grants, an open-market purchase is paid for by the insider, at the market price. In 2026 alone, the filings show 15 purchases and 6 sales.
In size, the median ticket on the buying side is €87k. Scaled by market value, the purchases weigh a median 0.031% of market cap (sample: 14 purchases). Across 15 purchases, this insider has always bought alone, with no colleague buying within 30 days.
Most recently, on 30 June 2026, the filings show an open-market purchase worth €56k in BrainAurora Medical Technology Ltd. - B. The median gap between a trade and its publication by HKEX is 4 days. That lag is the time during which only the insider knows about the trade. These figures are compiled from regulatory filings published by HKEX. They describe what insiders did and are not a recommendation.
Companies and markets linked to TAN Zheng
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 300,000 shares@ HK$1.670.021% mcap2.4% of flowShareXHKGHKEX:DA20260630E00092Canonical exit: 24 Sept 2026 (T+90)
- 500,000 shares@ HK$2.50680.063% mcap6.1% of flowShareXHKGHKEX:DA20260610E00034Canonical exit: 6 Sept 2026 (T+90)
- 100,000 shares@ HK$2.63530.011% mcap1.2% of flowShareXHKGHKEX:DA20260601E00210Canonical exit: 27 Aug 2026 (T+90)
- 500,000 shares@ HK$2.86840.071% mcap7.4% of flowShareXHKGHKEX:DA20260528E00025Canonical exit: 24 Aug 2026 (T+90)
- 100,000 shares@ HK$2.670.013% mcap1.4% of flowShareXHKGHKEX:DA20260528E00026Canonical exit: 25 Aug 2026 (T+90)
- 3,000,000 shares@ HK$3.02510.45% mcap46.9% of flowShareXHKGHKEX:DA20260522E00176Canonical exit: 19 Aug 2026 (T+90)
- 500,000 shares@ HK$3.78150.075% mcap9.1% of flowShareXHKGHKEX:DA20260513E00191Canonical exit: 10 Aug 2026 (T+90)
- 150,000 shares@ HK$3.800.023% mcap2.7% of flowShareXHKGHKEX:DA20260507E00024Canonical exit: 3 Aug 2026 (T+90)
- 549,000 shares@ HK$3.94110.086% mcap10.4% of flowShareXHKGHKEX:DA20260507E00021Canonical exit: 2 Aug 2026 (T+90)
- 200,000 shares@ HK$3.7850.030% mcap3.6% of flowShareXHKGHKEX:DA20260430E00351Canonical exit: 29 Jul 2026 (T+90)
- 96,000 shares@ HK$3.92520.015% mcap1.8% of flowShareXHKGHKEX:DA20260428E00292Canonical exit: 26 Jul 2026 (T+90)
- 200,000 shares@ HK$3.96710.031% mcap3.8% of flowShareXHKGHKEX:DA20260428E00290Canonical exit: 23 Jul 2026 (T+90)
- 403,000 shares@ HK$4.15790.066% mcap8.0% of flowShareXHKGHKEX:DA20260421E00444Canonical exit: 16 Jul 2026 (T+90)
- 101,000 shares@ HK$4.20850.017% mcap2.0% of flowShareXHKGHKEX:DA20260421E00441Canonical exit: 15 Jul 2026 (T+90)
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