Figures computed from official regulatory filings — .
Ownershipinsiders 92.1% · institutions 0%
In EUR · as of Oct 19, 2026
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Groupe Tera SA, together with its subsidiaries, engages in the analysis of chemical air pollutants in France and internationally. It offers toxicology and environmental analysis laboratory services; measures chemical pollutants; develops, industrializes, and markets sensors to measure air quality in real-time; and develops applications for real-time analysis of air quality. The company also offers air and respiratory protection technologies and devices for the treatment of respiratory viruses. In addition, it provides TERA Sensors, and Atmotrack data solutions. Groupe Tera SA was founded in 2001 and is headquartered in Crolles, France.
Market information source · Oct 19, 2026
Open-market timeline · full history
2 buys3 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Pascal Kaluzny | Sell | $249.8K | AMF |
| Laurent LEQUIN | Sell | $230.9K | AMF |
| P2LV SAS | Sell | $4.5M | AMF |
| GROUPE TERA SA à conseil d'administration | Buy | $216.9K | conv 59First in 12mo | AMF |
| GROUPE TERA SA à conseil d'administration | Buy | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | conv 44First in 12mo | AMF |