No insider purchase over the last 90 days. The latest, by 陈钢强, was filed 03 Mar 2025.
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
14 of 14 declarations
Jiangsu Boqian New Materials Stock Co., Ltd. (博迁新材), a Chinese chemicals and materials company valued at CNY 23.0 billion and 39.2% held by its insiders, has a record held by a single person: 陈钢强, 董事, who signs all 14 filings, 2 purchases and 12 sales, between June 11, 2024 and March 3, 2025.
Sales weigh EUR 7.1 million, median EUR 458,614. The largest, EUR 2,328,493, dates from July 18, 2024; two others follow within three days of each other, EUR 725,789 on August 23 and EUR 723,590 on August 26, 2024. The 2 purchases come later: EUR 225,731 on December 24, 2024 and EUR 422,588 on March 3, 2025, or EUR 648,319, and 14% of open-market trades.
The year 2024 holds 13 filings, 2025 a single one, which is the last purchase. The last twelve months hold no filings. Filing follows the trade without delay in median. Only one person appears among the 14 filings.