Use Options For a Chance To Buy ENPH at a 31% Discount By: Market News Video October 24, 2014 at 12:00 PM EDT Looking back to 71 days ago, Enphase Energy Inc. (ENPH) priced a 3,216,540 share secondary stock offering at $10.50 per share.. Read More >> Related Stocks: Enphase Energy Inc Nasdaq Smart Grid Infrastructure ETF