NEW YORK–(BUSINESS WIRE)–Halper Sadeh LLC, an investor rights law firm, is investigating the merger of Third Coast Bancshares, Inc. (NYSE: TCBX) and Great Plains Bancshares, Inc. Upon completion of the proposed transaction, Third Coast shareholders are expected to own 78% of the combined company.Halper Sadeh encourages Third Coast shareholders to click here to learn more about their rights and options or contact Daniel Sadeh or Zachary Halper free of charge at (212) 763-0060 or sadeh@halpersad