 New York, New York--Newsfile Corp. - September 16, 2021 - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Spectrum Pharmaceuticals, Inc. NASDAQ: SPPI between December 27, 2018 and August 5, 2021, inclusive the Class Period, of the important November 1, 2021 lead plaintiff deadline.SO WHAT: If you purchased Spectrum Pharmaceuticals securities during the Class Period you may be entitled to compensation without payment of any out of... 