 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the merger of Nicolet Bankshares, Inc. NASDAQ: NCBS and Mackinac Financial Corporation is fair to Nicolet shareholders. Halper Sadeh encourages Nicolet shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Zachary Halper at 212 763-0060 or or The investigation concerns whether Nicolet and it 