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 →
$20.7M89,924 sh across 6 lots
Exec Feb 2
Filed Feb 4 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $1.4M
5,970 sh across 2 lots
Exec Jan 27
Filed Jan 29 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $17.3M
73,522 sh across 2 lots
Exec Jan 20
Filed Jan 22 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $881K
3,848 sh across 2 lots
Exec Jan 2
Filed Jan 6 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $1.0M
4,400 sh across 3 lots
Exec Dec 1 2025
Filed Dec 3 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $32.1M
160,703 sh across 3 lots
Exec Nov 3 2025
Filed Nov 3 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $1.2M
6,015 sh across 2 lots
Exec Oct 27 2025
Filed Oct 29 2025 · 5:30 PM ET NTRASALE Natera, Inc. View filing → $301K
1,603 sh × $187.95
Exec Oct 21 2025
Filed Oct 22 2025 · 5:30 PM ET More filings →