George Bickerstaff

CDNA

George Bickerstaff serves as Director at CareDx, Inc (CDNA). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$264.3K

Total Sells

4 trades

$2.73M

Net Position

Net Seller

$2.46M

Companies Traded

CDNA, INVA

Active Period

May 2021 – Mar 2025

5 total trades

Most Recent

Sell CDNA

Mar 10, 2025 · $367.1K

George Bickerstaff's Insider Trading at CareDx, Inc (CDNA)

Buys

0 · $0.00

Sells

4 · $2.73M

Total Shares Bought

Total Shares Sold

65,000

CDNA Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value
Mar 10, 2025	Sell	20,000	$18.36	$367.1K
Feb 28, 2022	Sell	25,000	$39.11	$977.7K
May 21, 2021	Sell	10,000	$75.34	$753.4K
May 12, 2021	Sell	10,000	$63.07	$630.7K

George Bickerstaff's Insider Trading at Innoviva, Inc. (INVA)

Buys

1 · $264.3K

Sells

0 · $0.00

Total Shares Bought

20,000

Total Shares Sold

INVA Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
May 25, 2021	Buy	20,000	$13.21	$264.3K	124,560

Related Insiders

John Walter Hanna JR

President and CEO

CDNASell · Jun 8, 2026

TORRES ARTHUR A

director

CDNASell · May 18, 2026

Jeffrey Adam Novack

Secretary and General Counsel

CDNASell · May 6, 2026

Keith Kennedy

Chief Operating Officer

CDNASell · Feb 2, 2026

SMITH NATHAN

Chief Financial Officer

CDNASell · Feb 2, 2026

Jessica Meng

Chief Commercial Officer

CDNASell · Feb 2, 2026

Marianne Zhen

Chief Accounting Officer

INVASell · Nov 20, 2025

Stephen Basso

Chief Financial Officer

INVASell · Nov 20, 2025

Explore More Insider Trading Data

CDNA Insider Trading Activity

View all insider trades at CareDx, Inc

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity