Royal DSM acquires KNSY for $38.50/sh in cash (a $360M valuation with a 33% premium): http://www.reuters.com/article/2012/05/03/dsm-kenseynash-idUSL5E8G30V020120503 Kensey Nash's medical devices and biomaterials are used in cardiology, spinal and general surgery. Its best-known product, AngioSeal, is used by doctors to close punctures made in arteries, for example after using a catheter for angioplasty. DSM acquired Martek Biosciences for $1.1B in late 2010 (#msg-57987049).