Insiders who reported open-market trades in the last 12 months at the companies Brian Elsbernd 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.
Molly Harper - $622K in CPRX purchases and sales in the last 12 months
Carmen Jeffrey del - $256K in CPRX purchases and sales in the last 12 months
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Brian Elsbernd is a corporate insider, tracked as Chief Legal Officer of CATALYST PHARMACEUTICALS, INC. (CPRX). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Brian Elsbernd last file a Form 4?
The most recent primary Form 4 on record is dated 17 July 2026, one of 9 filings going back to 2024.
Has Brian Elsbernd been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($2.79M) across all tracked filings.
Brian Elsbernd is Chief Legal Officer of CATALYST PHARMACEUTICALS, INC. (CPRX). 9 SEC Form 4 filings on record going back to 2024, most recently on 17 July 2026. Most recent open-market trade: sold $908K of CPRX on 14 November 2025. Lifetime open-market sales: $2.79M.
Recent transactions
18
The latest 18 SEC Form 4 transactions reported by Brian Elsbernd.
InsiderAlpha's records for Brian Elsbernd go back to 2024: 9 primary Form 4 filings, an average of 3.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
