Peter Hecht, the co-founder and CEO of embattled biotech Cyclerion Therapeutics Inc. (Nasdaq: CYCN), is heading up a new startup that's effectively a life raft for Cyclerion's research. Elsewhere in the Petri Dish: a $1 billion deal for Pfizer gene therapies, a succession plan for a founder-led biotech organization, and a new Longwood Fund spinout with assets from GSK.