Insiders who reported open-market trades in the last 12 months at the companies Steven Leonard Chapman 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.
Matthew Rabinowitz - $142.28M in NTRA purchases and sales in the last 12 months
Roelof Botha - $34.89M in NTRA purchases and sales in the last 12 months
Jonathan Sheena - $28.58M in NTRA purchases and sales in the last 12 months
Daniel Rabinowitz - $23.52M in NTRA purchases and sales in the last 12 months
Solomon Moshkevich - $22.91M in NTRA purchases and sales in the last 12 months
Steven Leonard Chapman is a corporate insider, tracked as CEO AND PRESIDENT, Director of Natera, Inc. (NTRA). InsiderAlpha holds 27 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 Steven Leonard Chapman submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has Steven Leonard Chapman been buying or selling stock?
Recorded transactions: 0 open-market purchases and 78 open-market sales ($99.25M) across all tracked filings.
Steven Leonard Chapman is CEO AND PRESIDENT, Director of Natera, Inc. (NTRA). 27 SEC Form 4 filings on record going back to 2024, most recently on 3 October 2026. Most recent open-market trade: sold $526K of NTRA on 3 October 2026. Lifetime open-market sales: $99.25M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Steven Leonard Chapman.
InsiderAlpha's records for Steven Leonard Chapman go back to 2024: 27 primary Form 4 filings, an average of 9.0 per year. 79 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
