(9) Stockholders’ Equity

In May 2016, the Company entered into an agreement with Cantor Fitzgerald & Co. (“Cantor”) to allow the Company to issue and sell shares of its common stock having an aggregate offering price of up to $60.0 million from time to time through Cantor, acting as agent. In November 2017, the Company filed a prospectus supplement registering the offer and sale of shares of common stock of up to an additional $75.0 million under the agreement with Cantor. During the three months ended March 31, 2019, the Company issued 883,569 shares of common stock under this controlled equity offering sales agreement with Cantor resulting in net proceeds of $4.2 million after deducting commission and offering expenses. At March 31, 2019, the Company had $33.3 million remaining in aggregate gross offering price available under the Cantor agreement. In April 2019, the Company issued 924,167 shares of its common stock resulting in net proceeds to the Company of $4.1 million.

The changes in Stockholders’ Equity during the three months ended March 31, 2019 and 2018 are summarized below:


				Accumulated
	Common	Common	Additional	Other		Total
	Stock	Stock Par	Paid-In	Comprehensive	Accumulated	Stockholders’
	Shares	Value	Capital	Income	Deficit	Equity
	(In thousands, except share amounts)
Consolidated Balance at December 31, 2017	9,234,693	9	1,046,313	2,564	(812,517)	236,369
Shares Issued under Stock Option and Employee Stock Purchase Plans	9,453	—	374	—	—	374
Shares Issued in Connection with Cantor Agreement	312,802	—	11,689	—	—	11,689
Shares Issued in Connection with Kolltan Severance	971	—	38	—	—	38
Share-Based Compensation	—	—	2,488	—	—	2,488
Unrealized Loss on Marketable Securities	—	—	—	(5)	—	(5)
Adoption of ASC 606	—	—	—	—	1,261	1,261
Net Loss	—	—	—	—	(118,132)	(118,132)
Consolidated Balance at March 31, 2018	9,557,919	9	1,060,902	2,559	(929,388)	134,082

				Accumulated
	Common	Common	Additional	Other		Total
	Stock	Stock Par	Paid-In	Comprehensive	Accumulated	Stockholders’
	Shares	Value	Capital	Income	Deficit	Equity
	(In thousands, except share amounts)

Consolidated Balance at December 31, 2018	11,957,635	12	1,083,903	2,583	(962,438)	124,060
Shares Issued under Stock Option and Employee Stock Purchase Plans	3,507	—	9	—	—	9
Shares Issued in Connection with Cantor Agreement	883,569	1	4,150	—	—	4,151
Share-Based Compensation	—	—	1,693	—	—	1,693
Unrealized Gain on Marketable Securities	—	—	—	19	—	19
Net Loss	—	—	—	—	(17,239)	(17,239)
Consolidated Balance at March 31, 2019	12,844,711	13	1,089,755	2,602	(979,677)	112,693