Figures computed from official regulatory filings — .
Ownershipinsiders 31.25% · institutions 47.4%
In EUR · as of Oct 5, 2026
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Exosens, together with its subsidiaries, develops, manufactures, and sells electro-optical technologies in France, Europe, North America, Asia, and internationally. It operates in two segments, Amplification and Detection and Imaging. The company offers image intensifier tubes; cameras, sensors, modules and cores, and imaging systems and solutions, including UV missile warning solution, atmospheric sounder, and spectroradiometer; and detection and imaging products for ions and electrons, photons, and neutrons, as well as micro pore optics and components, such as phosphor screens, resistive glass products, microchannel plates, and electron generator arrays. It also provides bare and energy compensated Geiger- Müller tubes; gamma and neutron detectors; mineral insulated extensions; and silicon photodiodes, as well as methane airborne detection solutions. The company sells its products under the Exosens, Photonis, Xenics, Telops, El-Mul, and Noxant brand names. It serves defense and surveillance, life sciences and environment, industrial control, and nuclear markets. The company was founded in 1937 and is headquartered in Mérignac, France.
Market information source · Oct 5, 2026
Open-market timeline · full history
1 buy34 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| IPHG Holding Société à responsabilité limitée | Sell | $36.6M | AMF |
| HLD Europe SCA | Sell | $133.4M | Unusual size | AMF |
| PEBBLE STREET SAS | Sell | $814.5K | Unusual size | AMF |
| Jerome CERISIER | Sell | $4.9M | AMF |
| Quynh-Boi Demey | Sell | $1.2M | AMF |
| HLD Europe SCA de droit luxembourgeois | Sell | $245.8M | AMF |
| IPHG Holding Société à responsabilité de droit luxembourgeois | Sell | $67.4M | AMF |
| IPHG Holding Société à responsabilité de droit luxembourgeois | Buy | $174.3M | conv 23First in 12mo | AMF |
| Invest Gamma Société à responsabilité limitée de droit luxembourgeois | Other | $72.8M | AMF |
| Invest Prince Henri Société en commandite par actions de droit luxembourgeois | Other | $101.5M | AMF |
| Jerome CERISIER | Sell | $2M | AMF |
| Invest Gamma Société à responsabilité limitée luxembourgeoise | Sell | $28.1M | AMF |
| Invest Prince Henri Société en commandite par actions Luxembourgeoise | Sell | $39.1M | AMF |
| HLD Europe société en commandite par actions Luxembourgeoise | Sell | $245.1M | AMF |
| PEBBLE STREET SAS | Sell | $205.8K | AMF |
| PEBBLE STREET SAS | Sell | $255.8K | AMF |
| PEBBLE STREET SAS | Sell | $254.9K | AMF |
| PEBBLE STREET SAS | Sell | $255K | AMF |
| Jerome CERISIER | Sell | $3M | AMF |
| HLD Europe SCA | Sell | $89.8M | AMF |
| Invest Gamma | Sell | $10.3M | AMF |
| Quynh-Boi Demey | Sell | $4M | AMF |
| Invest Prince Henri | Sell | $14.3M | AMF |
| Jerome CERISIER | Sell | $4.5M | AMF |
| PEBBLE STREET SAS | Sell | $246.3K | AMF |