Insiders / Wyszomierski Jack L
Wyszomierski Jack L
CIK 1023225personinsider
Companies
3
First seen
Feb 20, 2026
Last activity
Jun 3, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Exelixis, Inc. · EXEL | 284,384 | — |
| XOMA Royalty Corp · XOMA | 25,116 | — |
| SiteOne Landscape Supply, Inc. · SITE | 19,120 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Exelixis, Inc. | Common Stock | 284,384 |
| SiteOne Landscape Supply, Inc. | Common Stock | 19,120 |
| XOMA Royalty Corp | Common Stock | 25,116 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 18, 2026 | Sell | EXEL Exelixis, Inc. Common Stock | $4.38M | -100K -26.24% | 279,942 0.11% of shares | medium |
| Feb 18, 2026 | Exercise | EXEL Exelixis, Inc. Common Stock | $407.9K | +21K +5.75% | 379,516 0.15% of shares | low |
| Jun 1, 2026 | Sell | EXEL Exelixis, Inc. Common Stock | $198.4K | -4K -1.36% | 284,384 0.11% of shares | medium |
| Mar 24, 2026 | Exercise | XOMA XOMA Royalty Corp Common Stock | $33.9K | +3K +16.35% | 21,530 0.17% of shares | low |
| May 27, 2026 | Grant | EXEL Exelixis, Inc. Common Stock | $0 | +8K +2.99% | 288,309 0.12% of shares | low |
| May 21, 2026 | Grant | XOMA XOMA Royalty Corp Common Stock | $0 | +4K +16.66% | 25,116 0.20% of shares | low |
| May 13, 2026 | Grant | SITE SiteOne Landscape Supply, Inc. Common Stock | $0 | +1K +6.61% | 19,120 0.04% of shares | low |
| Mar 24, 2026 | Exercise | XOMA XOMA Royalty Corp Stock Option (Right to Buy) | — | -3K -100.00% | 0 0.00% of shares | low |
| Feb 18, 2026 | Exercise | EXEL Exelixis, Inc. Option (right to buy) | — | -21K -100.00% | 0 0.00% of shares | low |