Summary
Updated Aug 31, 2026
Mark Andrew Wilson is Chief Legal Officer of Septerna, Inc. (SEPN). 6 SEC Form 4 filings on record going back to 2024, most recently on 11 February 2026. Most recent open-market trade: sold $34K of NKTR on 25 November 2025. Lifetime open-market sales: $103K.
Recent Transactions
7Every recent SEC Form 4 transaction Mark Andrew Wilson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Mark Andrew Wilson go back to 2024: 6 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 Mark Andrew Wilson 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.
- RA CAPITAL MANAGEMENT, L.P. - $63.45M of SEPN open-market activity in the last 12 months
- Third Rock Ventures V, L.P. - $7.40M of SEPN open-market activity in the last 12 months
- Samira Shaikhly - $2.80M of SEPN open-market activity in the last 12 months
- Howard W. Robin - $2.21M of NKTR open-market activity in the last 12 months
- Elizabeth Bhatt - $1.45M of SEPN open-market activity in the last 12 months
- Jonathan Zalevsky - $1.05M of NKTR 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 Mark Andrew Wilson?
Mark Andrew Wilson is a corporate insider, tracked as Chief Legal Officer of Septerna, Inc. (SEPN). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Mark Andrew Wilson last file a Form 4?
The most recent primary Form 4 on record is dated 11 February 2026, one of 6 filings going back to 2024.
Has Mark Andrew Wilson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($103K) across all tracked filings.
Where can I see all of Mark Andrew Wilson'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.
Learn More
Follow Mark Andrew Wilson and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial