Summary
Updated Aug 30, 2026
Stephen Andrew Welch has 2 SEC Form 4 filings on record, most recently on 12 November 2025.
Trading Pattern
InsiderAlpha's records for Stephen Andrew Welch 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.
Most Active Insiders Right Now
Stephen Andrew Welch has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Chitung Liu - $294.29M of UMC open-market activity in the last 90 days
- Peter Beck - $286.41M of RKLB open-market activity in the last 90 days
- SLTA V (GP), L.L.C. - $275.19M of FA open-market activity in the last 90 days
- Ignition Acquisition Holdings LP - $274.88M of OPLN open-market activity in the last 90 days
- Participations S.A R.L. Artal - $270.90M of CAVA open-market activity in the last 90 days
- Robert M. Williams Jr. - $268.34M of AVAH open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Stephen Andrew Welch?
Stephen Andrew Welch is a corporate insider, tracked as EVP & Head of Spec Generics. InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Stephen Andrew Welch last file a Form 4?
The most recent primary Form 4 on record is dated 12 November 2025, one of 2 filings going back to 2025.
Where can I see all of Stephen Andrew Welch'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
No Form 4 transactions on record for Stephen Andrew Welch yet.
Filings appear here automatically as they arrive from SEC EDGAR.
Follow Stephen Andrew Welch 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