XOMA LTD /DE/ (XOMA) is a publicly traded company in the Unknown sector. Across all available filings, 40 corporate insiders have executed 698 transactions totaling $144.3M, demonstrating a bearish sentiment with -$31.1M in net insider flow. The most recent transaction on Jan 12, 2026 involved a transaction of 30,000 shares valued at $0.
No significant insider buying has been recorded for XOMA in the recent period.
No significant insider selling has been recorded for XOMA in the recent period.
Based on recent SEC filings, insider sentiment for XOMA is bearish with an Insider Alignment Score of 39/100 and a net flow of -$31.1M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at XOMA LTD /DE/ (XOMA) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 40 insiders are actively trading XOMA stock, having executed 698 transactions in the past 90 days. The most active insider is Bros. Advisors Lp Baker (Executive), who has made 30 transactions totaling $30.9M.
Get notified when executives and directors at XOMA file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 12, 2026 | Trigilio Jeffrey | Chief Financial Officer | Award | 30,000 | $N/A | $0 | C-Suite |
| Dec 4, 2025 | Hughes Owen | Executive | Purchase | 100,000 | $25.05 | $2.5M | Large |
| Sep 22, 2025 | M. Burns Thomas | Executive | Sale | 15 | $36.93 | $554 | |
| Sep 22, 2025 | M. Burns Thomas | Executive | Sale | 4,300 | $35.98 | $154.7K | |
| Sep 22, 2025 | M. Burns Thomas | Executive | Sale | 15 | $36.81 | $552 | |
| Sep 19, 2025 | Perea Montano Maricel | Executive | Option Exercise | 3,033 | $N/A | $0 | |
| Sep 19, 2025 | M. Burns Thomas | Executive | Option Exercise | 11,846 | $N/A | $0 | |
| Sep 19, 2025 | Hughes Owen | Executive | Option Exercise | 35,567 | $N/A | $0 | |
| Sep 19, 2025 | Sitko Bradley | Executive | Option Exercise | 6,712 | $N/A | $0 | |
| Sep 10, 2025 | Perea Montano Maricel | Executive | Option Exercise | 9,101 | $N/A | $0 | |
| Jun 30, 2025 | Sitko Bradley | Executive | Purchase | 2,000 | $25.39 | $50.8K | |
| May 15, 2024 | D. Perry Matthew | Executive | Award | 6,070 | $N/A | $0 | |
| May 15, 2024 | L. Wyszomierski Jack | Executive | Award | 6,070 | $N/A | $0 | |
| May 15, 2024 | Hernday Natasha | Executive | Award | 3,035 | $N/A | $0 | |
| Oct 3, 2023 | Sitko Bradley | Executive | Purchase | 250 | $13.89 | $3.5K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 239 | $87.7M | 44.9% |
Purchase(P) | 100 | $56.6M | 29.0% |
Conversion(C) | 2 | $16.3M | 8.3% |
Award(A) | 67 | $10.8M | 5.5% |
Other(J) | 66 | $10.5M | 5.4% |
Exercise (Options)(X) | 6 | $10.4M | 5.3% |
Exercise(M) | 188 | $2.3M | 1.2% |
Disposition(D) | 25 | $761.3K | 0.4% |
Small Acquisition(L) | 1 | $2.0K | 0.0% |
Gift(G) | 4 | $0 | 0.0% |
Insider selling pressure at XOMA LTD /DE/ has increased, with 40 insiders executing 698 transactions across all time. Total sales of $87.7M significantly outpace purchases of $56.6M, resulting in a net outflow of $31.1M. This selling activity appears largely discretionary, which may warrant closer attention from investors.