Hughes Owen
Director · Officer · XOMA, CCCC, ANAB
As of 2026-09-16, Hughes Owen has 23 Form 4 transactions on record across 3 companies — 19 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2025-12-04 | XOMA | Purchase | 100,000 @ $25.05 | $2.5M | +5000.0% of holding | 102,000 | Form 4 |
| 2025-05-20 | XOMA | Sale | 25,637 @ $25.38 | $651K | −29.0% of holding | 62,701 | Form 4 |
21 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-07-14 | XOMA | Disposition | 75,000 | 0 | Form 4 |
| 2026-07-14 | XOMA | Disposition | 100,000 | 0 | Form 4 |
| 2026-07-14 | XOMA | Disposition | 132,714 | 0 | Form 4 |
| 2026-07-14 | XOMA | Disposition | 116,245 | 0 | Form 4 |
| 2026-07-14 | XOMA | Disposition | 102,000 | 0 | Form 4 |
| 2026-07-14 | XOMA | Other acquisition | 752 | 0 | Form 4 |
| 2026-07-14 | XOMA | Other acquisition | 191,264 | 0 | Form 4 |
| 2026-07-14 | XOMA | Disposition | 102,000 | 0 | Form 4 |
| 2026-07-14 | XOMA | Other acquisition | 752 | 0 | Form 4 |
| 2026-07-14 | XOMA | Other acquisition | 191,264 | 0 | Form 4 |
| 2026-06-24 | CCCC | Award / grant | 62,000 | 62,000 | Form 4 |
| 2026-05-11 | ANAB | Award / grant | 11,250 | 11,250 | Form 4 |
| 2026-04-20 | XOMA | Option exercise | 10,568 | 191,264 | Form 4 |
| 2026-04-20 | XOMA | Option exercise | 10,568 | 116,245 | Form 4 |
| 2026-03-16 | XOMA | Award / grant | 126,813 | 126,813 | Form 4 |
| 2026-03-16 | XOMA | Award / grant | 82,428 | 180,696 | Form 4 |
| 2025-09-19 | XOMA | Option exercise | 35,567 | 132,714 | Form 4 |
| 2025-09-19 | XOMA | Option exercise | 35,567 | 98,268 | Form 4 |
| 2025-06-18 | CCCC | Award / grant | 35,500 | 35,500 | Form 4 |
| 2025-05-19 | XOMA | Option exercise | 53,359 | 88,338 | Form 4 |
| 2025-05-19 | XOMA | Option exercise | 53,359 | 168,281 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.