Stock-Based Compensation

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation

Stock-Based Compensation

We recognized total stock-based compensation expense in our Condensed Consolidated Statements of Operations as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2020		2019		2020		2019
Cost of goods sold	$	664	$	1,086	$	1,424	$	2,089
Research and development	14,161		15,430		29,614		31,870
General and administrative	8,546		8,006		16,544		15,948
Impairment of assets and other costs for terminated program	—		—		1,025		—
Total stock-based compensation	$	23,371	$	24,522	$	48,607	$	49,907

The stock-based compensation expense reported in impairment of assets and other costs for terminated program results from executive severance, which we accounted for as a liability award. Upon issuance of the award in the three months ended June 30, 2020, we reclassified the award into equity.

We issued stock-based awards and resulting shares of our common stock as follows (shares in thousands):

	Three months ended June 30,				Six months ended June 30,
	2020		2019		2020		2019
Options granted	—		95		49		115
Weighted-average grant-date fair value of options granted	$	—	$	17.00	$	11.88	$	18.51
RSUs granted	275		263		520		396
Weighted-average grant-date fair value of RSUs granted	$	21.65	$	31.76	$	20.36	$	34.85
Shares issued under equity compensation plans	947		738		2,305		1,436

On June 17, 2020, the Stockholders of Nektar approved an amendment to the Amended and Restated 2017 Performance Incentive Plan to increase the aggregate number of shares of Common Stock authorized for issuance thereunder by 10,000,000 shares, and an amendment and restatement of the Amended and Restated Employee Stock Purchase Plan to increase the aggregate number of shares of Common Stock authorized for issuance under the plan by 1,000,000 shares.