As of December 31, 2014, the number of convertible preferred shares outstanding is as follows:

 

		December 31, 2014
Series A convertible preferred stock			2,483,692
Series B convertible preferred stock			8,073,508
Series C convertible preferred stock			3,351,156
Series D convertible preferred stock			19,557,392
Total preferred shares			33,465,748

As of December 31, 2014 and 2013, the number of convertible preferred shares outstanding is as follows:

 

 

		Year Ended December 31,
		2014				2013
Series A convertible preferred stock			2,483,692				2,483,692
Series B convertible preferred stock			8,073,508				8,073,508
Series C convertible preferred stock			3,351,156				3,351,156
Series D convertible preferred stock			19,557,392				19,557,392
Total preferred shares			33,465,748				33,465,748