Figures computed from official regulatory filings — .
Ownershipinsiders 15.67% · institutions 45.85%
In EUR · as of Oct 19, 2026
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Soitec SA develops and manufactures semiconductor materials in Asia, Europe, and the United States. The company offers CONNECT Radio Frequency Silicon-on-Insulator for smartphone front-end modules; CONNECT FD SOI for AI applications; CONNECT Piezoelectric-on-Insulator RF filters for smartphones; photonics and optical sensing solution for the integration of silicon optical components in data centers; and CONNECT RF gallium nitride which increases the frequency system efficiency and power density of next generation sub 6GHz and mmWave-band cellular 5G infrastructures and mobile devices. It also provides Power-SOI products for the automotive and industrial power electronic devices; Auto Smartsic for cost optimization of electric vehicles and industrial applications; and Photonics SOI that integrates photonic components on a silicon-on-insulator (SOI) substrate to enhance optical communication capabilities, as well as AUTO FD-SOI for automotive radar and processors. In addition, the company offers Imager-SOI, a compact solution for high-resolution 3D images and small form factor; PD -SOI offers complex computation capabilities and functionalities in cloud computing and network equipment; FD-SOI technology which provides the optimal balance between digital performance, mixed signal/RF compatibility, and power consumption and cost; and MEMS-SOI, an insulating oxide layer, and a supporting handle layer. It serves mobile communication, automotive, industry, edge AI and Internet of Things, and cloud AI and network infrastructure market. Soitec SA was incorporated in 1992 and is headquartered in Bernin, France.
Market information source · Oct 19, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
Open-market timeline · full history
46 buys15 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Frédéric Lissalde | Buy | $176.2K | conv 50First in 12mo |
| AMF |
| Didier LANDRU | Sell | $216.7K | AMF |
| Fonds Stratégique de Participations SAStrack record | Sell | $14.6M | AMF |
| Fonds Stratégique de Participations SAStrack record | Sell | $8.1M | AMF |
| Fonds Stratégique de Participations SAStrack record | Sell | $14.1M | AMF |
| Pierre BARNABE | Buy | $23.1K | conv 61ClusterFirst in 12mo | AMF |
| Laurence Delpytrack record | Buy | $11.4K | conv 41 | AMF |
| Christophetrack record | Buy | $39.4K | conv 68Cluster | AMF |
| Laurence Delpytrack record | Buy | $20.8K | conv 37 | AMF |
| Christophetrack record | Buy | $26.2K | conv 47Cluster | AMF |
| Christophetrack record | Buy | $26.4K | conv 67Cluster | AMF |
| Laurence Delpytrack record | Buy | $23.3K | conv 61ClusterFirst in 12mo | AMF |
| Christophetrack record | Buy | $39K | conv 66Cluster | AMF |
| Frédéric Lissalde | Buy | $102K | conv 73ClusterFirst in 12mo | AMF |
| Christophetrack record | Buy | $23.5K | conv 62First in 12mo | AMF |
| Pierre BARNABE | Buy | $24.3K | conv 60 | AMF |
| NSIG Sunrise S.a.r.l. Private Limited Company | Sell | $75.6M | Unusual size | AMF |
| NSIG Sunrise S.a.r.l. Private Limited Company | Sell | $2M | AMF |
| NSIG Sunrise S.a.r.l. Private Limited Company | Sell | $1.1M | AMF |
| NSIG Sunrise S.a.r.l. Private Limited Company | Sell | $1.5M | AMF |
| NSIG Sunrise S.a.r.l. Private Limited Company | Sell | $1.5M | AMF |
| NSIG Sunrise S.a.r.l. Private Limited Company | Sell | $2M | AMF |
| NSIG Sunrise S.a.r.l. Private Limited Company | Sell | $3.9M | AMF |
| NSIG Sunrise S.a.r.l. Private Limited Company | Sell | $12M | AMF |
| Pierre BARNABE | Buy | $20.9K | conv 76First in 12mo | AMF |