No insider purchase over the last 90 days. The latest, by 王绍勇, was filed 23 Aug 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
25 of 41 declarations
KINGSEMI Co., Ltd. (芯源微), a Chinese technology company valued at CNY 55.7 billion and 29.9% held by its insiders, has one of the fullest records of this batch: 41 filings published from May 20, 2021 to September 22, 2026, from 12 people, mostly 核心技术人员 (core technical personnel). Amounts are average, though: 36 sales worth EUR 7.6 million (median EUR 101,833) and 5 purchases worth EUR 252,912 (median EUR 11,174).
The largest amount is EUR 2,203,314, sold by 王绍勇 on October 20, 2022, followed by EUR 660,822 from the same filer the next day, then EUR 605,650 for 宗润福 (董事,高级管理人员,核心技术人员) on March 17, 2023. 王绍勇 and 张怀东 total 9 filings each, with 2 purchases and 7 sales apiece. 张怀东's purchases are from February 21, 2024 (EUR 114,312) and February 20, 2024 (EUR 111,932).
Annual volume is 13 filings in 2022, 10 in 2021 and 7 in 2026; those 7 are also the last twelve months, and all sales. Purchases represent 12% of open-market trades.