Summary
Updated Aug 30, 2026
Lisa Ellen Porter is Chief Medical Officer of Vivani Medical, Inc. (VANI). 2 SEC Form 4 filings on record going back to 2025, most recently on 31 July 2026.
Trading Pattern
InsiderAlpha's records for Lisa Ellen Porter go back to 2025: 2 primary Form 4 filings, an average of 1.0 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 Lisa Ellen Porter 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.
- Gregg Williams - $29.00M of VANI open-market activity in the last 12 months
- Aaron Mendelsohn - $25K of VANI 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 Lisa Ellen Porter?
Lisa Ellen Porter is a corporate insider, tracked as Chief Medical Officer of Vivani Medical, Inc. (VANI). InsiderAlpha holds 2 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 Lisa Ellen Porter submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Lisa Ellen Porter'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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