Skip to main content
Tronics Microsystems logo

Tronics Microsystems — Investor Relations & Filings

Ticker · ALTRO ISIN · FR0004175099 LEI · 969500EH6WF68VORPO82 PA Manufacturing
Open in API
Filings indexed 176 across all filing types
Latest filing 2025-11-28 Delisting Announcement
Country FR France
Listing PA ALTRO

About Tronics Microsystems

https://www.tronics.tdk.com/

Tronics Microsystems, a TDK Group company, is a supplier of high-performance inertial MEMS (Micro-Electro-Mechanical Systems) sensors and provides MEMS foundry services. The company designs and produces tactical-grade accelerometers (Axo® series) and gyroscopes (Gypro® series) for applications requiring precise motion sensing, positioning, navigation, and condition monitoring. Its product portfolio includes standard and semi-custom sensors, such as high-temperature accelerometers and vibration sensors, tailored for demanding environments. Tronics also offers comprehensive MEMS foundry services, from design to high-volume production. The company serves critical applications in markets including avionics, advanced air mobility, energy, mining, marine, subsea, railway, and industrial asset monitoring. Tronics operates its own EN9100-certified MEMS wafer fab with integrated assembly, packaging, and testing facilities.

Recent filings

Filing Released Lang Actions
TDK announces the implementation of the mandatory squeeze-out of Tronic's Microsystems shares
Delisting Announcement Classification · 1% confidence The document is a press release announcing the implementation of a mandatory squeeze-out of shares for Tronic's Microsystems by TDK Corporation, which will lead to the delisting of Tronic's shares from Euronext Growth. While it mentions delisting, the primary nature of the document is an announcement regarding M&A activity (the final stage of a takeover/squeeze-out process). According to the provided definitions, documents related to merger proposals or takeover bids are classified as TAR.
2025-11-28 English
COMMUNIQUÉ RELATIF A LA MISE EN OEUVRE DU RETRAIT OBLIGATOIRE VISANT LES ACTIONS DE LA SOCIÉTÉ TRONICS
Delisting Announcement Classification · 1% confidence The document is a press release announcing the implementation of a mandatory squeeze-out (retrait obligatoire) following a public tender offer for Tronic's Microsystems shares by TDK Electronics AG. It details the price per share, the regulatory compliance with AMF (Autorité des marchés financiers) rules, and the subsequent delisting from Euronext Growth. While it mentions the delisting, the primary nature of the document is an announcement regarding M&A-related activity (the final stage of a takeover/squeeze-out). Therefore, it fits best under M&A Activity (TAR).
2025-11-28 French
TDK announces AMF approval of public tender offer, followed by a mandatory squeeze-out targeting the shares of Tronic's
M&A Activity Classification · 1% confidence The document is a press release announcing a public tender offer and a mandatory squeeze-out by TDK Corporation for the shares of Tronic's Microsystems S.A. This involves a merger/acquisition activity and a subsequent delisting process. According to the filing definitions, documents related to merger proposals or takeover bids are classified as M&A Activity (TAR).
2025-11-07 English
MISE À DISPOSITION DE LA NOTE D'INFORMATION ET DES INFORMATIONS RELATIVES AUX CARACTÉRISTIQUES, NOTAMMENT JURIDIQUES, FINANCIÈRES ET COMPTABLES DE LA SOCIÉTÉ TDK DANS LE CADRE DE L'OPR SUR TRONICS SUI
M&A Activity Classification · 1% confidence The document is a press release announcing the availability of an 'Information Note' (Note d'Information) and 'Other Information Document' regarding a public buyout offer (Offre publique de retrait) followed by a mandatory squeeze-out (retrait obligatoire) initiated by TDK Electronics AG. Since the document is a short announcement (under 5,000 characters) notifying the public that the formal offer documents have been filed with the AMF and are available for download, it falls under the category of a Report Publication Announcement (RPA).
2025-11-07 French
MISE À DISPOSITION DE LA NOTE EN RÉPONSE ET DES INFORMATIONS RELATIVES AUX CARACTÉRISTIQUES, NOTAMMENT JURIDIQUES, FINANCIÈRES ET COMPTABLES DE TRONIC'S MICROSYSTEMS DANS LE CADRE DE L'OPR SUIVIE D'UN
M&A Activity Classification · 1% confidence The document is a press release announcing the availability of a 'Note en Réponse' (Response Document) and 'Autres Informations' (Other Information) regarding a public buyout offer (Offre Publique de Retrait) followed by a mandatory squeeze-out (Retrait Obligatoire) initiated by TDK Electronics AG for Tronic's Microsystems. The document explicitly states that the relevant legal and financial information has been filed with the AMF and is now available to the public, and it provides links/locations to access these documents. This fits the definition of a Report Publication Announcement (RPA) as it serves to notify the market of the availability of formal regulatory documents.
2025-11-07 French
DEPÔT D'UN PROJET DE NOTE D'INFORMATION ETABLI PAR TRONIC'S MICROSYSTEMS EN REPONSE A L'OFFRE PUBLIQUE DE RETRAIT SUIVIE D'UN RETRAIT OBLIGATOIRE VISANT LES ACTIONS DE TRONIC'S INITIÉE PAR TDK ELECTRO
M&A Activity Classification · 1% confidence The document is a press release regarding a public tender offer (Offre Publique de Retrait) followed by a mandatory squeeze-out (Retrait Obligatoire) for the company Tronic's Microsystems, initiated by TDK Electronics AG. It details the offer price, the rationale for the transaction (simplification of capital structure, delisting), and the regulatory context under the AMF (Autorité des marchés financiers). This falls under M&A activity as it concerns a takeover bid and subsequent delisting process.
2025-10-01 French

Browse filings by year

11 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.