Paydirt
SC
Insider

Steven Leonard Chapman

CEO AND PRESIDENT · Natera

Steven Leonard Chapman (CEO AND PRESIDENT) filed 16 Form 4 reports in the trailing twelve months (0 purchases, 16 sales), most often in Natera, Inc. (NTRA). The largest single filing was $20.7M of NTRA (89,924 sh across 6 lots, as filed), executed Feb 2. Data as of Nov 8 2026.

Add to watchlist
Return, 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
16
0 buys · 16 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$60.8M
shares × price, as filed
Last traded
Nov 2
Filed Nov 4

Median ADV $454.8M across their filed names

Open performance→
Volume by month
$32.1M$16.1M$0Dec 2024Jun 2025Dec 2025Jun 2026Jan 2025 · sells $15.2MMar 2025 · sells $13.5MApr 2025 · sells $4.7MMay 2025 · sells $1.0MJun 2025 · sells $960KJul 2025 · sells $1.9MAug 2025 · sells $772KSep 2025 · sells $846KOct 2025 · sells $5.1MNov 2025 · sells $32.1MDec 2025 · sells $1.0MJan 2026 · sells $19.6MFeb 2026 · sells $20.7MMar 2026 · sells $1.9MApr 2026 · sells $1.2MMay 2026 · sells $186KJun 2026 · sells $9.1MJul 2026 · sells $1.5MAug 2026 · sells $659KSep 2026 · sells $545KOct 2026 · sells $2.9MNov 2026 · sells $1.6M
Buys $0 Sells $137.0M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 16 filings

Sector per market data · by filing · past 12 months

Most traded names
NTRA Natera, Inc. NTRA · 0 buys · 35 sells 35 filings
Recent filings
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
NTRASALE Natera, Inc. View filing → $20.7M
89,924 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
More filings →