XOMA Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Net Income (Loss) Per Share Attributable to Common Stockholders

Net Income (Loss) Per Share Attributable to Common Stockholders

12 Months Ended

Dec. 31, 2020

Net Income (Loss) Per Share Attributable to Common Stockholders

Net Income (Loss) Per Share Attributable to Common Stockholders

11. Net Income (Loss) Per Share Attributable to Common Stockholders

Potentially dilutive securities are excluded from the calculation of diluted net income (loss) per share attributable to common stockholders if their inclusion is anti-dilutive.

The following table shows the weighted-average outstanding securities considered anti-dilutive and therefore excluded from the computation of diluted net income (loss) per share attributable to common stockholders (in thousands):


	Year Ended December 31,
	2020	2019
Convertible preferred stock	—	6,256
Common stock options	616	924
Warrants for common stock	6	9
Total	622	7,189

The following is a reconciliation of the numerator (net income or loss) and denominator (number of shares) used in the calculation of basic and diluted net income (loss) per share attributable to common stockholders (in thousands):


	Year Ended December 31,
	2020		2019
Numerator
Net income (loss)	$	13,298	$	(1,982)
Less: Series A accumulated dividends		(88)		—
Less: Allocation of undistributed earnings to participating securities		(4,417)		—
Net income (loss) available to common stockholders, basic		8,793		(1,982)
Add: Adjustments to undistributed earnings allocated to participating securities		217		—
Net income (loss) available to common stockholders, diluted	$	9,010	$	(1,982)

Denominator
Weighted average shares used in computing basic net income (loss) per share available to common stockholders		10,674		8,763
Effect of dilutive stock options		824		—
Effect of dilutive warrants		5		—
Weighted average shares used in computing diluted net income (loss) per share available to common stockholders		11,503		8,763
Basic net income (loss) per share of common stock	$	0.82	$	(0.23)
Diluted net income (loss) per share of common stock	$	0.78	$	(0.23)