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

Quarterly report pursuant to Section 13 or 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

Stock Based Compensation - Performance Stock Unit Awards (Details)

v3.23.3

Stock Based Compensation - Performance Stock Unit Awards (Details) - Performance Stock Unit Awards	1 Months Ended	9 Months Ended
	May 31, 2023 item D shares	Sep. 30, 2023 shares
Performance Stock Unit Awards
Granted (in shares)	430,400	430,400
Number of hurdles \| item	4
Vesting period	3 years
Number of consecutive calendar days used to calculate volume-weighted average stock price \| D	30
Share-Based Payment Arrangement, Tranche One
Performance Stock Unit Awards
Vesting (as a percent)	33.30%
Share-Based Payment Arrangement, Tranche Two
Performance Stock Unit Awards
Vesting period	2 years
Vesting (as a percent)	33.30%
Share-Based Payment Arrangement, Tranche Three
Performance Stock Unit Awards
Vesting period	3 years
Vesting (as a percent)	33.30%
2010 Plan
Performance Stock Unit Awards
Granted (in shares)	430,400

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