Chapman Steven Leonard
CEO AND PRESIDENT
Chapman Steven Leonard has filed 20 SEC Form 4 filings (71 transaction rows) across 1 company, with disclosures dating back to 2025. 17 of those filings fall inside the rolling window. Most recent filing: Oct 3, 2026.
On the most recent filing, Chapman Steven Leonard is listed as CEO AND PRESIDENT at Natera, Inc. Inside the rolling window, Chapman Steven Leonard reported no open-market purchases and 21 open-market sales totaling $90.4M in NTRA. The largest disclosed transaction in the window is a sale of 160,703 NTRA shares on Nov 3, 2025, worth $32.1M.
Companies traded
Other insiders at NTRA
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$90.4M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| NTRA | CEO AND PRESIDENT | Sale | 1,273 | $526K | Oct 3 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 1,698 | $545K | Sep 4 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 3,076 | $819K | Aug 6 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 2,190 | $570K | Jul 30 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 3,580 | $910K | Jul 30 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 41,124 | $9.1M | Jun 6 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 902 | $186K | May 6 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 5,838 | $1.2M | Apr 30 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 5,623 | $1.1M | Mar 11 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 3,950 | $790K | Mar 3 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 85,299 | $19.7M | Feb 4 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 4,725 | $1.1M | Feb 4 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 2,322 | $559K | Jan 29 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 3,648 | $867K | Jan 29 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 71,932 | $16.9M | Jan 22 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 1,590 | $374K | Jan 22 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 3,848 | $881K | Jan 6 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 4,400 | $1.0M | Dec 3 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 160,703 | $32.1M | Nov 3 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 2,335 | $449K | Oct 29 | SEC ↗ | |
| NTRA | CEO AND PRESIDENT | Sale | 3,680 | $705K | Oct 29 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Oct 21, 2025 | NTRA | Sale | $301K |
| Oct 1, 2025 | NTRA | Sale | $76K |
| Oct 1, 2025 | NTRA | Sale | $638K |
| Oct 1, 2025 | NTRA | Sale | $1.4M |
| Oct 1, 2025 | NTRA | Sale | $101K |
| Sep 30, 2025 | NTRA | Sale | $1.5M |
| Sep 2, 2025 | NTRA | Sale | $320K |
| Sep 2, 2025 | NTRA | Sale | $245K |
| Sep 2, 2025 | NTRA | Sale | $281K |
Frequently asked questions
How many SEC Form 4 filings has Chapman Steven Leonard made?
Chapman Steven Leonard has filed 20 SEC Form 4 filings (71 transaction rows) across 1 company since 2025.
Which companies does Chapman Steven Leonard trade?
Chapman Steven Leonard has filed SEC Form 4 disclosures for 1 company, including NTRA.
When was Chapman Steven Leonard's most recent SEC Form 4 filing?
Chapman Steven Leonard's most recent SEC Form 4 filing on Tracefour is dated Oct 3, 2026.
What is Chapman Steven Leonard's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Chapman Steven Leonard is listed as CEO AND PRESIDENT.
What is Chapman Steven Leonard's total buy and sell value in the current window?
Inside the rolling retention window, Chapman Steven Leonard bought $0 and sold $90.4M based on SEC Form 4 filings.
What was Chapman Steven Leonard's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 160,703 NTRA shares on 2025-11-03, worth $32.1M, per SEC Form 4 filings.