The additional shares were issued to cover and allow for the recent investment made last year by Adam Webb and Mark Green. and reported last September.
(see link https://www.cambridge-united.co.uk/news/2020/september/cufc-new-investors/
It also allows for the conversion of loans into shares by Paul Barry and some further housekeeping to bring records up to date
Ian Mather spoke on Radio Cambridgeshire. His interview can be heard from 35 minutes into the programme via https://www.bbc.co.uk/sounds/play/p096bzrq