XOMA Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Stock-based Compensation

Weighted Average Assumptions


		Three Months Ended March 31,
		2021		2020
Dividend yield		0	%	0	%
Expected volatility		98	%	100	%
Risk-free interest rate		0.71	%	0.90	%
Expected term		5.61 years		5.57 years

Stock Option Activity


				Weighted			Weighted		Aggregate
				Average			Average		Intrinsic
				Exercise			Contractual		Value
		Number of		Price			Term		(in
		shares		Per Share			(in years)		thousands)
Outstanding at January 1, 2021		1,827,906		$	20.66		6.31		$	51,401
Granted		142,823			39.02
Exercised		(24,193)			16.08
Forfeited, expired or cancelled		(53,449)			70.43
Outstanding at March 31, 2021		1,893,087		$	20.70		6.23		$	45,176
Exercisable at March 31, 2021		1,527,042		$	19.13		5.56		$	40,186

Stock-based Compensation Expense

The following table shows total stock-based compensation expense for stock options and ESPP in the condensed consolidated statements of operations and comprehensive loss (in thousands):


		Three Months Ended March 31,
		2021			2020
Research and development		$	—		$	—
General and administrative			2,898			1,788
Total stock-based compensation expense		$	2,898		$	1,788