NEW YORK--(BUSINESS WIRE)--Halper Sadeh LLC, an investor rights law firm, is investigating the sale of Esperion Therapeutics, Inc. (NASDAQ: ESPR) to funds managed by ARCHIMED for $3.16 per share in cash and the right to participate in contingent milestone payments. Halper Sadeh encourages Esperion 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@halpersadeh.com or zhalper@halpersadeh.com. ESPR Stock Al ...