Summary
Updated Aug 31, 2026
Sam L. Barker is Director of LEXICON PHARMACEUTICALS, INC. (LXRX). 4 SEC Form 4 filings on record going back to 2025, most recently on 4 June 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Sam L. Barker has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Sam L. Barker go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Sam L. Barker 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.
- Invus Global Management, LLC - $2.00M of LXRX open-market activity in the last 12 months
- Raymond Debbane - $723K of LXRX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Sam L. Barker?
Sam L. Barker is a corporate insider, tracked as Director of LEXICON PHARMACEUTICALS, INC. (LXRX). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Sam L. Barker submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Sam L. Barker's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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