XOMA Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:XOMA Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
03 Oct 23	BuyUS$24,848	Brad Sitko	Individual	1,750	US$14.25
02 Oct 23	BuyUS$13,830	Owen Hughes	Individual	1,000	US$13.83
26 Sep 23	BuyUS$36,075	Owen Hughes	Individual	2,500	US$14.65
31 May 23	BuyUS$25,700	Brad Sitko	Individual	1,500	US$17.20
23 May 23	BuyUS$16,150	Brad Sitko	Individual	850	US$19.00
19 May 23	BuyUS$19,500	Brad Sitko	Individual	1,000	US$19.50
15 May 23	BuyUS$37,985	Brad Sitko	Individual	2,000	US$19.00

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top 25 shareholders own 64.12% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
31.2%	BVF Partners L.P.	3,633,743	US$92.1m	0%	2.31%
9.93%	FMR LLC	1,155,033	US$29.3m	-2.45%	no data
4.2%	BlackRock, Inc.	488,485	US$12.4m	6.78%	no data
3.62%	The Vanguard Group, Inc.	421,474	US$10.7m	1.65%	no data
2.15%	Opaleye Management Inc.	250,000	US$6.3m	-8.93%	1.66%
2.15%	Stonepine Capital Management LLC	250,000	US$6.3m	-42.7%	3.07%
1.38%	Geode Capital Management, LLC	160,936	US$4.1m	2.68%	no data
1.18%	Acuitas Investments, LLC	137,132	US$3.5m	0%	1.27%
1.07%	State Street Global Advisors, Inc.	124,423	US$3.2m	1.63%	no data
1.04%	TLS Advisors LLC	120,465	US$3.1m	-0.17%	11.15%
1.02%	HighVista Strategies LLC	118,899	US$3.0m	0%	1.15%
0.81%	Eversept Partners, L.P.	93,727	US$2.4m	4.2%	0.2%
0.75%	Northern Trust Global Investments	86,968	US$2.2m	-0.28%	no data
0.52%	BNY Mellon Asset Management	60,688	US$1.5m	-3.04%	no data
0.47%	CM Management, LLC	55,000	US$1.4m	0%	1.32%
0.47%	Pacific Life Fund Advisors LLC	54,175	US$1.4m	16.3%	0.01%
0.43%	Woodline Partners LP	50,559	US$1.3m	0%	0.01%
0.28%	RBF Capital LLC	33,005	US$836.3k	-5.12%	0.05%
0.24%	Millennium Management LLC	28,301	US$717.1k	0.98%	no data
0.23%	Bridgeway Capital Management, LLC	26,600	US$674.0k	0%	0.01%
0.23%	Citadel Advisors LLC	26,537	US$672.5k	-5.61%	no data
0.22%	Dimensional Fund Advisors LP	25,516	US$646.6k	-10.1%	no data
0.17%	Knott Partners Management, LLC	19,722	US$499.8k	0%	0.18%
0.17%	Charles Schwab Investment Management, Inc.	19,560	US$495.6k	0%	no data
0.16%	American Century Investment Management Inc	18,917	US$479.4k	0%	no data