WYSZOMIERSKI JACK L (CIK 1023225) reported 12 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-06-03). Recent activity: Sell EXEL (3,925 shares), Buy EXEL (8,367 shares), Buy SITE (1,186 shares), Buy XOMA (3,026 shares), Buy EXEL (20,634 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-03 | EXELIXIS, INC. (EXEL) | Director | Sell | 3,925 | $198,409 |
| 2026-05-29 | EXELIXIS, INC. (EXEL) | Director | Buy | 8,367 | $0 |
| 2026-05-14 | SiteOne Landscape Supply, Inc. (SITE) | Director | Buy | 1,186 | $0 |
| 2026-03-26 | XOMA Royalty Corp (XOMA) | Director | Buy | 3,026 | $33,891 |
| 2026-02-20 | EXELIXIS, INC. (EXEL) | Director | Buy | 20,634 | $407,934 |
| 2026-02-20 | EXELIXIS, INC. (EXEL) | Director | Sell | 99,574 | $4.4M |
| 2025-06-04 | EXELIXIS, INC. (EXEL) | Director | Sell | 7,535 | $324,683 |
| 2025-05-30 | EXELIXIS, INC. (EXEL) | Director | Buy | 9,812 | $0 |
| 2025-05-23 | XOMA Royalty Corp (XOMA) | Director | Buy | 5,971 | $0 |
| 2025-05-16 | SiteOne Landscape Supply, Inc. (SITE) | Director | Buy | 1,125 | $0 |
| 2025-02-28 | EXELIXIS, INC. (EXEL) | Director | Buy | 15,874 | $325,417 |
| 2025-02-28 | EXELIXIS, INC. (EXEL) | Director | Sell | 8,768 | $331,430 |
Source: SEC Form 4 filings · as of 2026-06-03