Warrants issued to AMGEN at $1.25. So this should be their entry point into the capital of UNIS for a 10% of the outstanding shares
http://www.sec.gov/Archives/edgar/data/1476170/000119312516470855/d145799d424b5.htm#suptoc145799_2
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DESCRIPTION OF SECURITIES WE ARE OFFERING
We are offering one or more warrants, which we refer to collectively as the Warrants, to purchase 16,739,805 shares of common stock and 16,739,805 shares of our common stock, par value $0.01 per share, underlying the Warrants. The Warrants have an exercise price of $1.25 per share, subject to adjustment, and may be exercised at any time and from time to time until February 22, 2026."