Tronic's Microsystems SA (EPA:ALTRO)
5.56
+0.06 (1.09%)
Last updated: Nov 10, 2025, 9:48 AM CET
Tronic's Microsystems Company Description
Tronic's Microsystems SA manufactures and sells inertial micro-electro-mechanical-system (MEMS) sensor solutions for motion sensing, positioning, and navigation and condition monitoring of assets in France and internationally.
The company offers digital closed-loop inertial MEMS sensor components; acceleration sensors; angular rate sensors; and custom inertial MEMS foundry services for railway, VTOL and aerospace, energy and mining, marine and subsea, and asset monitoring industries.
It also operates MAGELAN, an open MEMS foundry platform. The company was founded in 1997 and is headquartered in Crolles, France.
Tronic's Microsystems SA is a subsidiary of TDK Electronics AG.
Tronic's Microsystems SA

| Country | France |
| Founded | 1997 |
| Industry | Semiconductor Equipment & Materials |
| Sector | Technology |
| Employees | 84 |
| CEO | Julien Bon |
Contact Details
Address: 98 Rue du Pré de l’Horme Crolles, Auvergne 38926 France | |
| Phone | 33 4 76 97 29 50 |
| Website | tronics.tdk.com |
Stock Details
| Ticker Symbol | ALTRO |
| Exchange | Euronext Paris |
| Stock Type | Common Stock |
| Fiscal Year | April - March |
| Reporting Currency | EUR |
| ISIN Number | FR0004175099 |
| SIC Code | 3674 |
Key Executives
| Name | Position |
|---|---|
| Julien Bon | President of Executive Board and Chief Executive Officer |
| Dr. Antoine Filipe | Chief Technology Officer and Member of Executive Board |
| Quentin Vincent | Chief Financial Officer |
| Ariel Diego Cao | Director of Business Development |
| Vincent Gaff | Director of Marketing and Business Development |