

On 11 February 2024, the shareholder Hedwig Grumbach died at the age of 88.
Change in the shareholder structure
Simon Gerd Konstantinidis (Master of Science Physics) becomes a shareholder through the purchase of Julia Lengfeld ‘s shares in the company. This means that a family member from the 4th generation is joining the company.On 23 July 2019, shareholder Rita Günther died unexpectedly at the age of 64.
