Fairfax Financial is the largest stockholder in the company. I assume this means that BB would go private (like Dell) and Fairfax Financial would sell BB in parts to various buyers hoping to make a profit from the deal.
https://broadband.forum/blackberry-announces-decision-sell-group-led-fairfax-financial-46524/
https://broadband.forum/blackberry-announces-decision-sell-group-led-fairfax-financial-46524/