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

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Compensation and Other Benefit Plans - Stock Option Activity (Details)

v3.20.4

Compensation and Other Benefit Plans - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Share-based compensation
Number of shares, Outstanding at beginning of period	1,839,623
Number of shares, Granted	218,311
Number of shares, Exercised	(211,373)
Number of shares, Forfeited, expired or cancelled	(18,655)
Number of shares, Outstanding at end of period	1,827,906	1,839,623
Number of shares, Exercisable at end of period	1,516,104
Weighted Average Exercise Price Per Share, Outstanding at beginning of period	$ 20.42
Weighted Average Exercise Price Per Share, Granted	23.99
Weighted Average Exercise Price Per Share, Exercised	11.39
Weighted Average Exercise Price Per Share, Forfeited, expired or cancelled	141.47
Weighted Average Exercise Price Per Share, Outstanding at end of period	20.66	$ 20.42
Weighted Average Exercise Price Per Share, Exercisable at end of period	$ 20.70
Weighted Average Contractual Term, Outstanding	6 years 3 months 21 days	6 years 10 months 17 days
Weighted Average Contractual Term, Exercisable	5 years 9 months 18 days
Aggregate Intrinsic Value, Outstanding	$ 51,401	$ 26,829
Aggregate Intrinsic Value, Exercisable	44,020
Options exercised, aggregate intrinsic value	$ 5,400	$ 700
Weighted-average grant-date fair value (in dollars per share)	$ 18.41	$ 11.72
Unrecognized compensation expense related to stock options (in dollars)	$ 3,600
Stock Options
Share-based compensation
Weighted average period of unrecognized compensation expense expected to be recognized	1 year 8 months 1 day

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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