DMTX / RGNX:
Yeah its basically RGNX getting their stuff back :-). They helped spin off DMTX I believe some of the candidates were theirs in addition to the license (royalties) they held equity in DMTX (last time I looked anyway).
It makes sense for RGNX. Don't this is a start for RGNX but I though one of the more successful GT companies (ONCE, AVXS) or someone wanting a larger foothold in GT would buy up some of these smaller cheaper (at/below cash) and get a basket on the cheap with some additional assets (mfg, IP, know how, etc.).