Jack L. Wyszomierski
Insider
IndividualSelling only4 10b5-1 trades
- 2025
- Jul 15, 2026
- 11
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jack L. Wyszomierski files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Dana Aftab - $7.70M in EXEL purchases and sales in the last 12 months
- Patrick J. Haley - $7.60M in EXEL purchases and sales in the last 12 months
- Julie Smith - $4.69M in EXEL purchases and sales in the last 12 months
- Christopher J. Senner - $4.56M in EXEL purchases and sales in the last 12 months
- Stelios Papadopoulos - $4.36M in EXEL purchases and sales in the last 12 months
- George Poste - $2.74M in EXEL purchases and sales in the last 12 months
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Frequently asked questions
Who is Jack L. Wyszomierski?
Jack L. Wyszomierski is a corporate insider of XOMA Royalty Corp (XOMA). InsiderAlpha holds 11 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jack L. Wyszomierski last file a Form 4?
The most recent primary Form 4 on record is dated 15 July 2026, one of 11 filings going back to 2025.
Has Jack L. Wyszomierski been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($4.91M) across all tracked filings.
