Biopharma happenings, including deals and partnerships, grants, preclinical data and other news in brief: Checkmate, Constellation, Exevir, Generate, Gentibio, Forge, Halucenex, J&J, Kuros, Lexaria, Mithra, Morphosys, Pharmenable, Puma, Red Light Holland, Rubius, Sana, Xoma.