Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Latest filing published 30 Jun 2026 for HJ Science Co., Ltd. - B - H Shares.
Insider track record
Disclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
No signal scores available.
Zhang Yao: trading record in brief
Zhang Yao has a single filing on record, published on 30 June 2026: a transaction in HJ Science Co., Ltd. - B - H Shares. One trade is not enough to describe a pattern. Source: insider filings from HKEX. Past trades are no guide to future returns.
Companies and markets linked to Zhang Yao
Open company profiles for insider transactions, fundamentals and analyst consensus when available.