Bank of Marin, a bank holding company, completed the merger with American River Bankshares, a community bank, in a $135m deal. “This merger brings together two exceptional institutions that share complementary values and disciplined fundamentals. Bank of Marin will be able to expand its franchise by delivering the same legendary service that is the hallmark of a community bank on a regional scale," Russell A. Colombo, Bank of Marin President and Chief Executive Officer.