To that point, The day the deal with GILD and Fort

To that point, The day the deal with GILD and Forty Seven was announced, several class action law firms were advertising for share holders upset with the deal to contact them. Stating "....is concerned that Forty Seven's BOD oversaw an unfair process and ultimately agreed to an inadequate deal price. Accordingly, the firm is investigating all relevant aspects of the deal and is committed to securing the best result possible for Forty Seven stockholders."

So, it is possible that NP and the BOD have such a high price target that once BP started sniffing around, they said "no thanks". However, once the BLA is filed and approved, stellar cancer results continue, and if by chance we get BTD, BP's interest may perk up again.