Bickerstaff George

SEC Form 4 insider trading activity

Bickerstaff George has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2025. 2 of those filings fall inside the rolling window. Most recent filing: Aug 6, 2026.

On the most recent filing, Bickerstaff George is listed as Director at CareDx, Inc. Inside the rolling window, Bickerstaff George reported no open-market purchases and 1 open-market sale totaling $926K in CDNA.

Companies traded

Other insiders at CDNA

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$926K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
CDNASale$926KAug 6SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Bickerstaff George made?

Bickerstaff George has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company since 2025.

Which companies does Bickerstaff George trade?

Bickerstaff George has filed SEC Form 4 disclosures for 1 company, including CDNA.

When was Bickerstaff George's most recent SEC Form 4 filing?

Bickerstaff George's most recent SEC Form 4 filing on Tracefour is dated Aug 6, 2026.

What is Bickerstaff George's total buy and sell value in the current window?

Inside the rolling retention window, Bickerstaff George bought $0 and sold $926K based on SEC Form 4 filings.

What was Bickerstaff George's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 20,000 CDNA shares on 2026-08-05, worth $926K, per SEC Form 4 filings.