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Mersen — Investor Relations & Filings

Ticker · MRN ISIN · FR0000039620 LEI · OQXDLNM5DTBULYMF5U27 PA Manufacturing
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Filings indexed 1,060 across all filing types
Latest filing 2026-04-03 Declaration of Voting R…
Country FR France
Listing PA MRN

About Mersen

https://www.mersen.co.uk/

Mersen is a global expert in advanced materials and electrical power. The company designs and manufactures innovative solutions for high-tech industries. Its Advanced Materials segment specializes in graphite-based products, including specialty graphite components, anti-corrosion equipment such as impervious graphite heat exchangers, and high-temperature insulation materials. The Electrical Power segment provides a range of solutions encompassing electrical protection and control, power management, and power transfer technologies. Mersen serves diverse markets, including energy, transportation, aerospace, and semiconductors, by developing customized solutions to meet specific client needs.

Recent filings

Filing Released Lang Actions
Mersen: Number of shares and voting rights as of March 31, 2026
Declaration of Voting Results & Voting Rights Announcements Classification · 1% confidence The document is a mandated disclosure of the total number of shares and voting rights as of a specific date under AMF regulations, not an annual or interim financial report, not an issuance or buyback, nor AGM materials or vote results. It fits under “Declaration of Voting Results & Voting Rights Announcements” (DVA), which covers official announcements of voting rights schedules.
2026-04-03 English
Mersen: Disclosure of trading own shares
Transaction in Own Shares Classification · 1% confidence The document is a disclosure of Mersen’s purchase of its own shares under its approved buyback program, listing daily volumes and prices. This is a report of transactions in the company’s own shares (share repurchase). According to Filing Definitions, this falls under “Transaction in Own Shares” (Code: POS).
2026-04-02 French
Mersen : Déclaration des transactions sur actions propres
Transaction in Own Shares Classification · 1% confidence The document is a formal declaration of the company’s own share purchases under its approved buyback program, including detailed transaction data by date and market. This matches the definition of a Transaction in Own Shares report.
2026-04-02 French
Mersen : Mise à disposition du DEU 2025
Report Publication Announcement Classification · 1% confidence The document is a press release (‘COMMUNIQUE DE PRESSE’) announcing that Mersen has filed its 2025 Universal Registration Document (DEU) with the AMF and that it is available on the company and AMF websites. It does not contain the full report itself but merely announces the publication and availability of the annual report, sustainability report, governance report, and share buyback program details. According to the “menu vs meal” rule, this is an announcement that a report is available, fitting the Report Publication Announcement category (RPA).
2026-03-31 French
Mersen: Filing of the 2025 Universal Registration Document (URD)
Report Publication Announcement Classification · 1% confidence The document is a brief press release announcing that Mersen’s 2025 Universal Registration Document (URD) has been released in French, filed in ESEF with the AMF, and is available on the company’s and AMF’s websites. It does not contain the full annual report itself but rather notifies stakeholders of its publication and availability. Per the “menu vs meal” rule, this is an announcement of report publication rather than the report content, matching the Report Publication Announcement (RPA) category.
2026-03-31 English
Document d'enregistrement universel 2025
Annual Report (ESEF)
2026-03-31 French

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