Use Options For a Chance To Buy CLDX at a 47% Discount By: Market News Video May 11, 2015 at 11:43 AM EDT Looking back to 75 days ago, Celldex Therapeutics, Inc. (CLDX) priced a 7,250,000 share secondary stock offering at $24.00 per share.. Read More >> Related Stocks: Biotechnology Index NYSE ETF Celldex Therapeutics