Old Line Bank was Washington Savings Bank's only suitor

Ever wonder how a merger or acquisition came together? Who approached whom? How many bidders were there? Thanks to details buried in a securities filing released Tuesday, we can now answer those questions for Bowie-based Old Line Bancshares Inc.'s acquisition WSB Holdings Inc.

Old Line (NASDAQ: OLBK) approached WSB (NASDAQ: WSB) back in April of last year. Throughout the following five months until the deal was announced, Old Line was the only bidder.

WSB is the holding company for The Washington…