Figures computed from official regulatory filings — .
Ownershipinsiders 1.48% · institutions 54.63%
In EUR · as of Oct 5, 2026
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Gaztransport & Technigaz SA, a technology and engineering company, provides cryogenic membrane containment systems for the maritime transportation and storage of liquefied gases in South Korea, China, and internationally. It operates through the Core Business and Hydrogen segments. The. company offers onshore membrane storage tank solutions for the storage of LNG (Liquefied Natural Gas); LNG floating storage solution; solutions for the transportation and storage of other liquefied gases such as ethane, ethylene, propane, butane, and propylene; solutions for the offshore LNG industry, including floating storage and regasification units (FSRUs), floating storage and unloading units (FLNGs), and floating storage units (FSUs); and consultancy services, engineering studies, operational support, and maintenance and repairs of GTT membrane systems. It also sells decision-making support tools for ship-owners and operators, including data analysis and vessel performance optimization; designs and assembles electrolysers to produce green hydrogen from renewable energy; and adapts containment technology for LNG-fuelled vessels. It serves ship-owners, gas companies, terminal operators, and shipyards. Gaztransport & Technigaz SA was founded in 1963 and is headquartered in Saint-Rémy-lès-Chevreuse, France.
Market information source · Oct 5, 2026
Open-market timeline · full history
11 buys20 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| David Colson | Sell | $364.6K | AMF |
| Anouar Kiassi | Sell | $52.3K | AMF |
| Jean-Baptiste BOUTILLIER | Sell | $50.7K | AMF |
| Anouar Kiassi | Sell | $294.9K | AMF |
| karim chapot | Sell | $331.4K | AMF |
| Lélia Ghilini | Sell | $315K | AMF |
| David Colson | Sell | $323.6K | AMF |
| Jean-Baptiste BOUTILLIER | Sell | $39.6K | AMF |
| karim chapot | Sell | $195.2K | Unusual size | AMF |
| Ghilini Lelia | Sell | $328.5K | AMF |
| David Colson | Sell | $335.4K | AMF |
| karim chapot | Sell | $339.8K | AMF |
| Christian Germa | Buy | $1M | conv 50First in 12mo | AMF |
| Philippe Berterottière | Buy | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | conv 66First in 12mo | AMF |
| Philippe Berterottière | Buy | $2M | conv 66First in 12mo | AMF |
| pierre guiollottrack record | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | AMF |
| pierre guiollottrack record | Sell | $13.9K | AMF |
| pierre guiollottrack record | Buy | $13.9K | conv 23 | AMF |
| pierre guiollottrack record | Buy | $4.2K | conv 34 | AMF |
| pierre guiollottrack record | Buy | $6.1K | conv 49First in 12mo | AMF |
| pierre guiollottrack record | Sell | $13.3K | AMF |
| pierre guiollottrack record | Buy | $7.8K | conv 29 | AMF |
| pierre guiollottrack record | Sell | $32.1K | Unusual size | AMF |
| pierre guiollottrack record | Buy | $24.9K | conv 51Unusual size | AMF |
| pierre guiollottrack record | Buy | $12.5K | conv 59Unusual size | AMF |