Use Options For a Chance To Buy SLCA at a 41% Discount By: Market News Video April 02, 2014 at 11:59 AM EDT Looking back to 145 days ago, US Silica Holdings, Inc. (SLCA) priced a 11,500,000 share secondary stock offering at $31.50 per share.. Read More >> Related Stocks: S&P Metals & Mining SPDR U.S. Silica Holdings Inc