(Sharecast News) - Banknote authentication and security specialist Spectra Systems announced on Monday that its chief financial officer Colleen Hamill had resigned.

The AIM-traded firm said Hamill was departing in a bid to explore other career opportunities.

It added that she resigned on 21 April, after the publication of its 2022 annual results on 20 March, and the production of its annual report.

"The process to identify a successor is progressing well and a further announcement will be made as soon as possible," the Spectra board said in its statement.

"In the meantime, Liz Squires, financial controller of the company, will work alongside [chief executive officer Nabil] Lawandy to manage the company's financial needs."

At 1323 BST, shares in Spectra Systems Corporation were down 10.51% at 164.66p.

Reporting by Josh White for Sharecast.com.