Bradley Sitko
Chief Investment Officer · XOMA Royalty Corp
- 2025
- Jul 15, 2026
- 5
Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Bradley Sitko. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- BVF PARTNERS L P - $10.64M in XOMA purchases and sales on record
- Joseph M. Limber - $760K in XOMA purchases and sales on record
- Owen Hughes - $655K in XOMA purchases and sales on record
- Thomas M. Burns - $448K in XOMA purchases and sales on record
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Frequently asked questions
Who is Bradley Sitko?
Bradley Sitko is a corporate insider, tracked as Chief Investment Officer of XOMA Royalty Corp (XOMA). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Bradley Sitko last file a Form 4?
The most recent primary Form 4 on record is dated 15 July 2026, one of 5 filings going back to 2025.
Has Bradley Sitko been buying or selling stock?
Recorded transactions: 1 open-market purchase ($51K) and 0 open-market sales across all tracked filings.
