No insider purchase over the last 90 days. The latest, by 叶剑飞, was filed 28 Feb 2024.
Zhe Jiang Dayang Biotech Group Co., Ltd. is a Chemicals company. Its directors and officers file their transactions with SSE / SZSE (CSRC). No insider at Zhe Jiang Dayang Biotech Group Co., Ltd. has published a filing in the past twelve months. The most recent one dates from 28 February 2024.
Over the whole record (from 2024), the tally stands at 2 purchases and no sales.
Elsewhere in the same sector, our signals recently picked up insider purchases at Yara International ASA and Culp Inc. These figures are compiled from regulatory filings published by SSE / SZSE (CSRC). They describe what insiders did and are not a recommendation.
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Transparent value + quality ranking, distinct from the insider signal.
FY ended December 2025 · cache
大洋生物 is a company specializing in chemistry and materials, listed on the XSHE market. It focuses on the development and production of innovative biological products.