As of 19 March 2021, the number of securities in issue is 587,337,398. So far as the Company is aware, the percentage of securities not in public hands is 2.16%.  The Company does not have any shares held in treasury.

Shareholder Profile (as of 19 March 2021)

NameNumber of Ordinary Shares% of Issued Capital
Barclays PLC586302190.099823745601
Herald Investment Management Limited336512220.057294533116

Director Shareholdings (as of 19 March 2021)

NameNumber of Ordinary Shares% of Issued CapitalNumber of OptionsExpiry Date
Mark Slade62044440.0105636794471555555511-29-2028
Kelvin Harrison30104160.00512553092999999957777811-29-2028
David Rae11666670.001986365935733333311-29-2028
Benjamin Chilcott 2,291,6670.003901789683

Warrants (as of 19 March 2021)

Mike Staten (formerly held by Darwin Capital Limited) holds 5,583,522 share warrants at an exercise price of 16.92 pence per share. These warrants are exerciseable at 16.92 pence per share. For comparison the closing share price on 18 March 2021 was 0.42 pence per share.