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Insider

George Bickerstaff

Director

George Bickerstaff (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in CareDx, Inc. (CDNA). The largest single filing was $926K of CDNA (20,000 sh × $46.28, as filed), executed Aug 5.

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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
1
0 buys · 1 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$926K
shares × price, as filed
Last traded
Aug 5
Filed Aug 6

Median ADV $47.9M across their filed names

Open performance
Volume by month
$926K$463K$0Oct 2024Apr 2025Oct 2025Apr 2026Mar 2025 · sells $367KAug 2026 · sells $926K
Buys $0 Sells $1.3M

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

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
CDNA CareDx, Inc. CDNA · 0 buys · 2 sells 2 filings
Recent filings
CDNASALE CareDx, Inc. View filing → $926K
20,000 sh × $46.28
Exec Aug 5
Filed Aug 6 · 4:10 PM ET
CDNASALE CareDx, Inc. View filing → $367K
20,000 sh × $18.36
Exec Mar 10 2025
Filed Mar 12 2025 · 5:30 PM ET