Last year NWBO paid Advent $14.9M to manufacture and run Specials. This does not include the payments for the SOWs. It has increased to that much because they now paying Advent t run ops in both London and Sawston.
One would normally expect that given NWBO pays Advent to do this, NWBO gets the revenue, Yet, the revenue was about $1.8M. Since Advent is already being paid nicely by NWBO for Specials, it makes no sense that Advent should also keep the revenue.
Related party transaction do not require conspiracies.