Probably what happened here is that Chapin agreed to stay on after the acquisition long enough to steward the merger of the former R&H Organization properties into the greater Concord catalogue. And, once that was done, which it certainly sounds like it is, there was no longer a role for him within the Concord organization. Or not a role that he was interested in.
It's the end of an era.
I hope that the nameless Concord execs who will be taking over do so with as much care and attention as Chapin lavished on these properties over the years. Although, I suppose that people invested in ALL the properties that Concord now controls would wish the same for all of them as well.