Stockholders' Equity

6 Months Ended

Jun. 30, 2012

Equity [Abstract]

Stockholders' Equity

Stockholders’ Equity

In March 2012, we completed an underwritten public offering of 13.5 million shares of common stock, resulting in net proceeds to Amylin of $206.9 million.

In March 2012, we contributed approximately 0.8 million newly issued shares of our common stock, valued at $16.02 per share, to our ESOP for amounts earned by participants during the year ended December 31, 2011.

In February 2012, we contributed approximately 0.2 million newly issued shares of our common stock, valued at $15.53 per share, to our 401(k) plan for amounts earned by participants during the year ended December 31, 2011.