GRINM Semiconductor Materials Co., Ltd. Stock: price and insider trades · China
有研硅
GRINM Semiconductor Materials Co., Ltd.: what insiders have been doing
Only a handful of insider records exist for GRINM Semiconductor Materials Co., Ltd., the last one from 25 February 2026, too few to describe a trend. This summary is built from SSE / SZSE (CSRC) disclosures alone and does not predict where the share price will go.
Who traded when
BuySaleThis 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.
Financial data
as of FY 2025FY ended December 2025 · cache
- 115,008 shares100.0% of flowA股XSHGSSE:273000000212501730
1 of 1 declaration
About GRINM Semiconductor Materials Co., Ltd.
Youyan Silicon is a company specializing in semiconductor material technology in China. It focuses on the research and development of silicon and related products.
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