SC
Insider
Steven Leonard Chapman
CEO AND PRESIDENTSteven Leonard Chapman (CEO AND PRESIDENT) filed 17 Form 4 reports in the trailing twelve months (0 purchases, 17 sales), most often in Natera, Inc. (NTRA). The largest single filing was $32.1M of NTRA (160,703 sh across 3 lots, as filed), executed Nov 3 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
17
0 buys · 17 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$93.6M
shares × price, as filed
Last traded
Sep 1
Filed Sep 3
Median ADV $454.8M across their filed names
Open performance→Volume by month
Buys $0
Sells $134.5M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
17 filings
Sector per market data · by filing · past 12 months
Most traded names
NTRARecent filings
NTRASALE
Natera, Inc.
View filing →
$545K1,698 sh × $320.99
Exec Sep 1
Filed Sep 3 · 9:05 PM ET NTRASALE Natera, Inc. View filing → $659K
2,470 sh across 3 lots
Exec Aug 3
Filed Aug 5 · 9:35 PM ET NTRASALE Natera, Inc. View filing → $1.5M
5,770 sh across 2 lots
Exec Jul 27
Filed Jul 29 · 9:35 PM ET NTRASALE Natera, Inc. View filing → $9.1M
41,124 sh across 14 lots
Exec Jun 4
Filed Jun 5 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $186K
902 sh × $206.16
Exec May 1
Filed May 5 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $1.2M
5,838 sh across 2 lots
Exec Apr 27
Filed Apr 29 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $1.1M
5,623 sh × $204.13
Exec Mar 10
Filed Mar 11 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $717K
3,585 sh across 2 lots
Exec Mar 2
Filed Mar 3 · 5:30 PM ET More filings →