| Bradley Sitko |
XOMA |
Common Stock |
Award |
299.7% |
|
|
59,402 |
79,224 |
11 Mar 2026 |
Direct |
| Bradley Sitko |
XOMA |
Performance Stock Units |
Award |
|
|
|
44,849 |
44,849 |
11 Mar 2026 |
Direct |
| Jeffrey Trigilio |
XOMA |
Common Stock |
Award |
|
|
|
90,000 |
90,000 |
11 Mar 2026 |
Direct |
| Jeffrey Trigilio |
XOMA |
Performance Stock Units |
Award |
|
|
|
138,462 |
138,462 |
11 Mar 2026 |
Direct |
| Maricel Perea Montano |
XOMA |
Common Stock |
Award |
216.7% |
|
|
26,289 |
38,423 |
11 Mar 2026 |
Direct |
| Maricel Perea Montano |
XOMA |
Performance Stock Units |
Award |
|
|
|
40,444 |
40,444 |
11 Mar 2026 |
Direct |
| Jeffrey Trigilio |
XOMA |
Performance Stock Units |
Award |
|
|
|
30,000 |
30,000 |
12 Jan 2026 |
Direct |
| Owen Hughes |
XOMA |
Depositary Shares - 8.375% B Cumulative Stock |
Purchase |
5000% |
$2,505,000 |
$25.05 |
100,000 |
102,000 |
04 Dec 2025 |
Direct |
| Thomas M. Burns |
XOMA |
Common Stock |
Sale |
-12.6% |
$155,820 |
$35.99 |
-4,330 |
30,079 |
22 Sep 2025 |
Direct |
| Bradley Sitko |
XOMA |
Common Stock |
Options Exercise |
51.2% |
|
|
6,712 |
19,822 |
19 Sep 2025 |
Direct |
| Bradley Sitko |
XOMA |
Performance Stock Units |
Options Exercise |
-22.2% |
|
|
-6,712 |
23,488 |
19 Sep 2025 |
Direct |
| Owen Hughes |
XOMA |
Common Stock |
Options Exercise |
56.7% |
|
|
35,567 |
98,268 |
19 Sep 2025 |
Direct |
| Owen Hughes |
XOMA |
Performance Stock Units |
Options Exercise |
-21.1% |
|
|
-35,567 |
132,714 |
19 Sep 2025 |
Direct |
| Thomas M. Burns |
XOMA |
Common Stock |
Options Exercise |
52.5% |
|
|
11,846 |
34,409 |
19 Sep 2025 |
Direct |
| Thomas M. Burns |
XOMA |
Performance Stock Units |
Options Exercise |
-21.1% |
|
|
-11,846 |
44,208 |
19 Sep 2025 |
Direct |
| Maricel Perea Montano |
XOMA |
Common Stock |
Options Exercise |
33.3% |
|
|
3,033 |
12,134 |
19 Sep 2025 |
Direct |
| Maricel Perea Montano |
XOMA |
Performance Stock Units |
Options Exercise |
-21.1% |
|
|
-3,033 |
11,316 |
19 Sep 2025 |
Direct |
| Maricel Perea Montano |
XOMA |
Common Stock |
Options Exercise |
|
|
|
9,101 |
9,101 |
10 Sep 2025 |
Direct |
| Maricel Perea Montano |
XOMA |
Performance Stock Units |
Options Exercise |
-38.8% |
|
|
-9,101 |
14,349 |
10 Sep 2025 |
Direct |
| Maricel Perea Montano |
XOMA |
Performance Stock Units |
Award |
|
|
|
23,450 |
23,450 |
12 Aug 2025 |
Direct |
| Bradley Sitko |
XOMA |
Depositary Shares - 8.375% Series B Cumulative Stock |
Purchase |
39.6% |
$50,780 |
$25.39 |
2,000 |
7,045 |
30 Jun 2025 |
Direct |
| Barbara Kosacz |
XOMA |
Common Stock |
Award |
|
|
|
5,971 |
5,971 |
21 May 2025 |
Direct |
| Jack L. Wyszomierski |
XOMA |
Common Stock |
Award |
47.6% |
|
|
5,971 |
18,504 |
21 May 2025 |
Direct |
| Joseph M. Limber |
XOMA |
Non-Qualified Share Option (right to buy) |
Award |
|
|
|
9,936 |
9,936 |
21 May 2025 |
Direct |
| Matthew D. Perry |
XOMA |
Common Stock |
Award |
33.4% |
|
|
5,971 |
23,840 |
21 May 2025 |
Direct |
| Natasha Hernday |
XOMA |
Common Stock |
Award |
196.7% |
|
|
5,971 |
9,006 |
21 May 2025 |
Direct |
| Heather L. Franklin |
XOMA |
Common Stock |
Award |
|
|
|
5,971 |
5,971 |
21 May 2025 |
Direct |
| Barbara Kosacz |
XOMA |
Common Stock |
Award |
|
|
|
5,971 |
5,971 |
21 May 2025 |
Direct |
| Owen Hughes |
XOMA |
Common Stock |
Sale |
-29% |
$650,667 |
$25.38 |
-25,637 |
62,701 |
20 May 2025 |
Direct |
| Thomas M. Burns |
XOMA |
Common Stock |
Sale |
-31.7% |
$266,033 |
$25.38 |
-10,482 |
22,563 |
20 May 2025 |
Direct |
| Owen Hughes |
XOMA |
Common Stock |
Options Exercise |
152.6% |
|
|
53,359 |
88,338 |
19 May 2025 |
Direct |
| Owen Hughes |
XOMA |
Performance Stock Units |
Options Exercise |
-24.1% |
|
|
-53,359 |
168,281 |
19 May 2025 |
Direct |
| Thomas M. Burns |
XOMA |
Common Stock |
Options Exercise |
116.4% |
|
|
17,773 |
33,045 |
19 May 2025 |
Direct |
| Thomas M. Burns |
XOMA |
Performance Stock Units |
Options Exercise |
-24.1% |
|
|
-17,773 |
56,054 |
19 May 2025 |
Direct |
| Bvf Partners L P/Il |
XOMA |
Common Stock, $0.0075 par value per share |
Sale |
-23.6% |
$10,642,793 |
$27.10 |
-392,723 |
1,267,545 |
16 May 2025 |
Direct |
| Bradley Sitko |
XOMA |
Depositary Shares - 8.375% Series B Cumulative Stock |
Purchase |
65.7% |
$49,400 |
$24.70 |
2,000 |
5,045 |
07 Apr 2025 |
Direct |
| Joseph M. Limber |
XOMA |
8.625% Series A Cumulative Perpetual Preferred Stock |
Purchase |
110.2% |
$134,221 |
$25.60 |
5,243 |
10,000 |
07 Apr 2025 |
Direct |
| Joseph M. Limber |
XOMA |
8.625% Series A Cumulative Perpetual Preferred Stock |
Purchase |
237.1% |
$85,524 |
$25.56 |
3,346 |
4,757 |
04 Apr 2025 |
Direct |
| Joseph M. Limber |
XOMA |
Depositary Shares - 8.375% Series B Cumulative Stock |
Purchase |
21% |
$87,769 |
$25.25 |
3,476 |
20,000 |
04 Apr 2025 |
Direct |
| Joseph M. Limber |
XOMA |
8.625% Series A Cumulative Perpetual Preferred Stock |
Purchase |
|
$35,896 |
$25.44 |
1,411 |
1,411 |
03 Apr 2025 |
Direct |
| Joseph M. Limber |
XOMA |
Depositary Shares - 8.375% Series B Cumulative Stock |
Purchase |
|
$416,735 |
$25.22 |
16,524 |
16,524 |
03 Apr 2025 |
Direct |
| Thomas M. Burns |
XOMA |
Depositary Shares - 8.375% B Cumulative Stock |
Purchase |
100% |
$25,460 |
$25.46 |
1,000 |
2,000 |
01 Apr 2025 |
Direct |
| Bradley Sitko |
XOMA |
Depositary Shares - 8.375% Series B Perpetual Preferred |
Purchase |
8.75% |
$6,221 |
$25.39 |
245 |
3,045 |
31 Mar 2025 |
Direct |
| Bradley Sitko |
XOMA |
Common Stock |
Purchase |
9.54% |
$19,980 |
$19.98 |
1,000 |
11,484 |
31 Mar 2025 |
Direct |
| Bradley Sitko |
XOMA |
Depositary Shares - 8.375% B Cumulative Stock |
Purchase |
|
$71,204 |
$25.43 |
2,800 |
2,800 |
21 Mar 2025 |
Direct |
| Bradley Sitko |
XOMA |
Common Stock |
Purchase |
14.6% |
$27,547 |
$20.65 |
1,334 |
10,484 |
21 Mar 2025 |
Direct |
| Bvf Partners L P/Il |
XOMA |
Common Stock, $0.0075 par value per share |
Sale |
-100% |
$3,914,348 |
$26.10 |
-149,975 |
0 |
24 Jan 2025 |
See footnote |
| Bvf Partners L P/Il |
XOMA |
Common Stock, $0.0075 par value per share |
Sale |
-100% |
$13,069,366 |
$26.10 |
-500,742 |
0 |
24 Jan 2025 |
Direct |
| Bradley Sitko |
XOMA |
Common Stock |
Purchase |
|
$3,862 |
$25.75 |
150 |
75 |
08 Jan 2025 |
By child |
| Bradley Sitko |
XOMA |
8.625% Series A Cumulative Perpetual Preferred Stock |
Purchase |
|
$2,099 |
$25.60 |
82 |
82 |
08 Jan 2025 |
By spouse |