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Deals 04 Nov 2025 · Switzerland

CMS advises Ypsomed on the sale of Ypsotec AG to Callista Asset Management 32 GmbH

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Ypsomed (SIX: YPSN) has sold Ypsotec AG to Callista Asset Management 32 GmbH on 31 October 2025.

The sale concerns all shares in Ypsotec AG with locations in Switzerland and the Czech Republic and has already been completed. It is part of the strategic orientation of the Ypsomed Group with the aim of focusing on its core competencies in the field of medical technology solutions for self-injection and enabling additional investments in researching, developing and marketing innovative therapeutic solutions.

With Callista Asset Management 32 GmbH, Ypsotec AG is being acquired by an entrepreneurial investor specializing in transforming of industrial companies.

Ypsomed is a leading developer and manufacturer of injection systems for the self-administration of liquid medicines. For over 40 years, the company has been a reliable partner to the pharmaceutical and biotech industry – with solutions that are precisely tailored to the needs of its customers. Ypsomed has a proven track record and offers the most comprehensive and innovative platform portfolio for pens, auto-injectors and on-body devices. The solutions impress with the highest implementation quality and can be seamlessly integrated into digital health services. They support simpler therapy and thus contribute to a better quality of life for people with chronic diseases. Ypsomed is headquartered in Burgdorf (Switzerland) and operates a global network of production sites. More than 2,000 employees worldwide are committed every day to making self-treatment a matter of course.

A team of CMS led by Stefan Brunnschweiler (Partner) and Florian Jung (Senior Associate, both Corporate/M&A) advised Ypsomed Holding AG on all legal aspects of this transaction. The team also consisted of Raphael Hammer (Attorney Trainee, Corporate/M&A), Marquard Christen (Partner), Julia Haas (Senior Associate, both Competition Law), Kaspar Landolt (Partner, Banking & Finance) and Mark Cagienard (Partner, Tax Law) from CMS Switzerland as well as Helen Rodwell (Partner) and Lucia Luptakova (Senior Associate) from CMS Czech Republic.

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