The ESKEN media release issued at 07.00 on 20 April gives full details. Look in the INVESTOR section of their website and the item on 20 April marked DISPOSAL.Notification of Class 2 transaction - Sale of Stobart Air and Carlisle Lake District Airport
"Esken, the aviation and energy infrastructure group, announces that it has signed an agreement for the sale of its entire shareholdings in Stobart Air Unlimited Company ('SA') (which operates regional flights under a franchise agreement for Aer Lingus) and Stobart Air (UK) Limited, the owner of Carlisle Lake District Airport ('CLDA') to Ettyl Limited (Ettyl). The sale is subject to certain change of control and bank facility consents and is expected to complete by early May 2021."
There is a lot more detail in the lengthy media release.