Blue Lion Capital said Johnny Guerry, who was sparred with other community banks, will assist in efforts to pressure the Seattle bank to improve its performance or sell itself.
The company will pay $64 million jn cash and stock for First Beeville Financial.
It's the latest expansion step in commercial services there by the Atlanta bank, which has no retail branches in Texas.
The Mississippi bank will pay up to $100 million to expand in southwest Alabama and Dallas.
The proposed merger of two family-owned institutions would create a $5 billion-asset bank in Texas.
The agency says lenders lacked the risk appetite, while bankers point to concerns over turnaround times and strict loan terms.
Ballinger National Bank would be renamed Keystone Bank and its headquarters would move to an Austin suburb.
The company agreed to buy Mainland Bank for nearly $20 million in stock.
Hanmi alleges that SWNB's directors actively advised the Houston bank's investors to reject the merger.
Hanmi Financial wants SWNB in Houston to pay a termination fee, citing "material breaches" of covenants tied to their now-defunct merger agreement.
