No insider purchase over the last 90 days. The latest, by 潘磊, was filed 29 Aug 2023.
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
25 of 27 declarations
三孚新科 (Guangzhou Sanfu New Materials Technology Co.,Ltd), a Chinese chemicals and materials company listed on the Shanghai stock exchange, has an almost entirely sell-side record: 26 sales worth EUR 30,970,517 (median EUR 181,816) and a single purchase, of EUR 19,318, by a supervisory board member on August 29, 2023. Purchases are only 4% of open-market trades.
One sale dominates, EUR 22,452,369, filed by a director on November 7, 2024. Next come EUR 1,272,795 for a core technical staff member on June 24, 2025, and EUR 1,069,498 for a director who is also core technical staff on November 6, 2023. The most active filer, a core technical staff member, files 14 filings, all sales; another files 6, a third 4.
The 27 filings run from 8 in 2022 to 1 in 2024, then 9 in 2026. The company is valued at CNY 7.8 billion, with 6 insiders who hold 43.6% of the capital. Over twelve months: 9 filings, all sales. The median publication delay is 0 days, meaning the same day.