[matthewmcg]

It's unusual because a non-profit doesn't really have an owner (stockholders). But it is still a corporation and many states in the U.S. (non-profit and for profit corporations are created under state law) allow a non-profit corporation merge with a for-profit entity. The transaction is treated like the non-profit sold its assets to the for-profit buyer and then wound down by donating the proceeds to other non-profits.