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 →
$944K6,203 sh × $152.18
Exec Apr 28 2025
Filed Apr 30 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $239K
1,643 sh × $145.54
Exec Apr 21 2025
Filed Apr 22 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $3.5M
25,209 sh across 5 lots
Exec Mar 31 2025
Filed Apr 1 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $979K
6,702 sh × $146.03
Exec Mar 17 2025
Filed Mar 19 2025 · 5:30 PM ET