Theres nothing deliberate about the spread, the spread is due to only 3 MM covering the stock with a NMS of 3000 shares. Also note before Covid volumes where pitiful a few thousand shares a day. Thats the reason the company wanted to delist from AIM. Due to Covid volumes have increased 1000 fold. On many days there was zero trades. Hopefully with the AIM listing staying more MMs will make a market and the spreads will close.
Preliminary analysis of the Phase 2 portion of the trial demonstrated that Kevzara rapidly lowered C-reactive protein, a key marker of inflammation, meeting the primary endpoint (see table below).