It is very clear from reading the 14D9 that Sigma Tau is not supportive of the deal at $57. Their representative on the BOD of GENT abstained from all the necessary votes.
ST has 17.4% of the stock.
Ball is in their court.
And GENT stock continues to trade above the JAZZ offer price.
I see no reason to tender GENT shares until there is no choice.
How amazing are the deeds of the LORD! All who delight in Him should ponder them. Ps 111:2