No insider purchase over the last 90 days. The latest, by 师强, was filed 05 Feb 2024.
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
20 of 20 declarations
Sichuan Em Technology Co., Ltd. (东材科技), a Chinese chemicals and materials company valued at CNY 41.5 billion and 31.6% held by its insiders, has 20 filings published between September 16, 2021 and September 16, 2026, from 9 filers. Sales carry most of the weight: 13 sales worth EUR 8.5 million (median EUR 263,447) against 7 purchases worth EUR 310,270 (median EUR 25,804), or 35% purchases.
Almost all the weight comes from 唐安斌 (董事), who totals 5 filings, 1 purchase and 4 sales. The sale of September 16, 2026 reaches EUR 5,206,694, that of November 24, 2021 EUR 1,108,359, and that of September 7, 2026 EUR 597,750. The same 唐安斌 had bought EUR 144,399 on January 24, 2024, the first purchase episode: between January 24, 2024 and February 5, 2024, 6 filers bought EUR 310,270 worth, which is all the purchases in the record; 师强 (监事) bought EUR 56,664 there on February 2, 2024.
The 4 filings of the last twelve months are sales. The year 2024 totals 7 filings. 李刚 (董事,高级管理人员) and 李文权 (高级管理人员) have 3 sales each. The median publication delay is 0 days.