InsiderCEO AND PRESIDENT

Steven Leonard Chapman Insider Trading Activity

Every SEC Form 4 transaction reported by Steven Leonard Chapman, sourced directly from SEC EDGAR and updated as new filings are accepted.

By · Insider-trading data from SEC EDGAR
Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

Quick Answer

Is Steven Leonard Chapman buying or selling?

Steven Leonard Chapman reported 0 open-market buys ($0) and 152 sells ($221.2M) across 152 Form 4 filings at 1 company — a net selling position of $221.2M.

Source: SEC EDGAR Form 4

What stands out

  • All 152 of Steven Leonard Chapman's Form 4 filings are for one company, Natera, Inc. (NTRA).
  • The most recent Form 4 was accepted on Oct 3, 2026 (16 days ago).
  • In the last 12 months: no open-market purchases and 16 sales ($58.6M).
  • The largest open-market sale in the last 12 months was $20.8M of Natera, Inc. (NTRA) on Feb 5, 2026. SEC ↗

Key Statistics (as of Oct 3, 2026)

Total Form 4 filings
152
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (152)
$221.2M

Insider sentiment

Net selling

Net insider flow of $221.2M in net selling, filed between Mar 28, 2018 – Oct 3, 2026.

Companies Steven Leonard Chapman files for

#CompanyForm 4 filings
1NTRANatera, Inc.152

Recent Steven Leonard Chapman transactions

DateTickerRoleTypeSharesValueFiling
Oct 3, 2026NTRACEO AND PRESIDENTSale1.3K$526.1KSEC ↗
Sep 4, 2026NTRACEO AND PRESIDENTSale1.7K$545.0KSEC ↗
Aug 6, 2026NTRACEO AND PRESIDENTSale3.1K$819.4KSEC ↗
Jul 30, 2026NTRACEO AND PRESIDENTSale5.8K$1.5MSEC ↗
Jun 6, 2026NTRACEO AND PRESIDENTSale41.1K$9.1MSEC ↗
May 6, 2026NTRACEO AND PRESIDENTSale902$186.0KSEC ↗
Apr 30, 2026NTRACEO AND PRESIDENTSale5.8K$1.2MSEC ↗
Mar 12, 2026NTRACEO AND PRESIDENTSale5.6K$1.1MSEC ↗
Mar 4, 2026NTRACEO AND PRESIDENTSale4.0K$790.1KSEC ↗
Feb 5, 2026NTRACEO AND PRESIDENTSale90.0K$20.8MSEC ↗
Jan 30, 2026NTRACEO AND PRESIDENTSale6.0K$1.4MSEC ↗
Jan 23, 2026NTRACEO AND PRESIDENTSale73.5K$17.3MSEC ↗
Jan 7, 2026NTRACEO AND PRESIDENTSale3.8K$881.5KSEC ↗
Dec 4, 2025NTRACEO AND PRESIDENTSale4.4K$1.0MSEC ↗
Oct 30, 2025NTRACEO AND PRESIDENTSale6.0K$1.2MSEC ↗
Oct 23, 2025NTRACEO AND PRESIDENTSale1.6K$301.3KSEC ↗
Oct 2, 2025NTRACEO AND PRESIDENTSale23.2K$3.7MSEC ↗
Sep 6, 2025NTRACEO AND PRESIDENTSale5.1K$845.8KSEC ↗
Aug 6, 2025NTRACEO AND PRESIDENTSale5.8K$771.7KSEC ↗
Jul 31, 2025NTRACEO AND PRESIDENTSale6.1K$851.7KSEC ↗
Jul 23, 2025NTRACEO AND PRESIDENTSale1.6K$225.9KSEC ↗
Jul 4, 2025NTRACEO AND PRESIDENTSale5.3K$889.8KSEC ↗
Jun 5, 2025NTRACEO AND PRESIDENTSale6.1K$960.1KSEC ↗
May 3, 2025NTRACEO AND PRESIDENTSale7.0K$1.0MSEC ↗
May 1, 2025NTRACEO AND PRESIDENTSale6.2K$944.0KSEC ↗

Showing the 25 most recent filings of 152. Screen every filing.

Steven Leonard Chapman insider trading FAQ

Is Steven Leonard Chapman buying or selling?

Across 152 SEC Form 4 filings, Steven Leonard Chapman reported 0 open-market purchases totaling $0 and 152 sales totaling $221.2M — a net selling position of $221.2M.

Which companies does Steven Leonard Chapman file Form 4s for?

Steven Leonard Chapman has reported insider transactions at 1 company, most often Natera, Inc. (NTRA).

How far back does Steven Leonard Chapman's filing history go?

Trabud holds Steven Leonard Chapman's SEC Form 4 filings from Mar 28, 2018 – Oct 3, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Steven Leonard Chapman's insider trading data?

Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.

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