Insiders who have reported open-market trades at the same companies as Joseph M. Limber. 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
Owen Hughes - $655K in XOMA purchases and sales on record
Thomas M. Burns - $448K in XOMA purchases and sales on record
Bradley Sitko - $51K in XOMA purchases and sales on record
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Joseph M. Limber is a corporate insider 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 Joseph M. Limber 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 Joseph M. Limber been buying or selling stock?
Recorded transactions: 5 open-market purchases ($760K) and 0 open-market sales across all tracked filings.
Joseph M. Limber files SEC Form 4 reports at XOMA Royalty Corp (XOMA). 5 SEC Form 4 filings on record going back to 2025, most recently on 15 July 2026. Most recent open-market trade: bought $134K of XOMA on 7 April 2025. Lifetime open-market purchases: $760K.
Recent transactions
10
The latest 10 SEC Form 4 transactions reported by Joseph M. Limber.
InsiderAlpha's records for Joseph M. Limber go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. The typical open-market purchase is $152K (5 buys totaling $760K). The largest single buy on record is $417K of XOMA in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
