Nuformix PLC on Tuesday said Executive Chair Alastair Riddell has resigned with immediate effect.

Riddell joined the London-based pharmaceutical development company as non-executive chair in May last year. He was promoted to executive chair in December.

Nuformix said that Riddell is taking up a full-time executive role with another company. Riddell has been part of Nuformix as chair for a year since 2021.

Non-Executive Director Julian Gilbert said: ‘The management requirements for the business will be considered and further updates provided in due course.’

Shares in Nuformix were down 2.0% to 0.50 pence each in London on Tuesday morning.

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