Insiders who reported open-market trades in the last 12 months at the companies William J.G. Griffith 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.
William J.G. Griffith is a corporate insider, tracked as Director, 10% Owner of Netskope Inc (NTSK). InsiderAlpha holds 25 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 William J.G. Griffith submitted recently?
4 primary Form 4 filings in the last 90 days, covering 2 companies.
Has William J.G. Griffith been buying or selling stock?
Recorded transactions: 3 open-market purchases ($10.98M) and 28 open-market sales ($60.90M) across all tracked filings.
William J.G. Griffith is Director, 10% Owner of Netskope Inc (NTSK). 25 SEC Form 4 filings on record going back to 2024, most recently on 24 September 2026. Most recent open-market trade: bought $805K of NTSK on 14 July 2026. Lifetime open-market purchases: $10.98M. Lifetime open-market sales: $60.90M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by William J.G. Griffith.
InsiderAlpha's records for William J.G. Griffith go back to 2024: 25 primary Form 4 filings, an average of 8.3 per year. The typical open-market purchase is $3.66M (3 buys totaling $10.98M). The largest single buy on record is $7.22M of NTSK in 2026. Sales side: 28 recorded sales totaling $60.90M, so the filing history runs sell-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
