 WHY: NEW YORK, Dec. 31, 2022 GLOBE NEWSWIRE Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Eiger BioPharmaceuticals, Inc. NASDAQ: EIGR between March 10, 2021 and October 4, 2022, both dates inclusive the Class Period, of the important January 9, 2023 lead plaintiff deadline. SO WHAT: If ... The post ROSEN, A LEADING AND LONGSTANDING FIRM, Encourages Eiger BioPharmaceuticals, Inc. Investors to Secure Counsel Before Important January 9 Deadline... 