"If LFB has converted its preferred shares in order to facilitate a deal, which is the most plausible explanation"
All the signs seem to point to a deal to be announced soon. The question is whether the deal is with LFB or another entity. Is LFB capable of handling the sales and marketing of ATryn in the US? I seem to recall that you once negated that idea on the basis that LFB does not have a sales force in the US...