Summary
Updated Aug 31, 2026
John Downing is EVP, Worldwide Sales Ops of NETSCOUT SYSTEMS INC (NTCT). 20 SEC Form 4 filings on record going back to 2024, most recently on 13 August 2026. Most recent open-market trade: sold $307K of NTCT on 13 August 2026. Lifetime open-market sales: $1.18M.
Recent Transactions
20Every recent SEC Form 4 transaction John Downing has reported, most recent first.
Trading Pattern
InsiderAlpha's records for John Downing go back to 2024: 20 primary Form 4 filings, an average of 6.7 per year. 10 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies John Downing 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.
- Michael Szabados - $535K of NTCT open-market activity in the last 12 months
- Sanjay Munshi - $278K of NTCT open-market activity in the last 12 months
- Alfred Grasso - $203K of NTCT open-market activity in the last 12 months
- Joseph G. Hadzima Jr. - $80K of NTCT 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 John Downing?
John Downing is a corporate insider, tracked as EVP, Worldwide Sales Ops of NETSCOUT SYSTEMS INC (NTCT). InsiderAlpha holds 20 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has John Downing submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has John Downing been buying or selling stock?
Recorded transactions: 0 open-market purchases and 9 open-market sales ($1.18M) across all tracked filings.
Where can I see all of John Downing'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 John Downing 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