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 →
$3.7M22,722 sh across 4 lots
Exec Sep 30 2025
Filed Oct 1 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $846K
5,079 sh across 3 lots
Exec Sep 2 2025
Filed Sep 5 2025 · 5:30 PM ET † NTRASALE Natera, Inc. View filing → $772K
5,807 sh across 2 lots
Exec Aug 1 2025
Filed Aug 5 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $852K
6,092 sh × $139.81
Exec Jul 28 2025
Filed Jul 30 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $226K
1,622 sh × $139.29
Exec Jul 21 2025
Filed Jul 22 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $807K
4,843 sh across 3 lots
Exec Jul 1 2025
Filed Jul 3 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $960K
6,111 sh across 3 lots
Exec Jun 2 2025
Filed Jun 4 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $1.0M
6,980 sh across 4 lots
Exec May 1 2025
Filed May 2 2025 · 5:30 PM ET More filings →