CAREDX INC

Ticker: CDNA CUSIP: 14167L103 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

Note: Option positions (PUT/CALL) are excluded.

Q4 2020

Shares 741 Value ($000) $54 Avg Close $57.94 Range $38.59 - $79.92

Q1 2019

Shares 4,377 Value ($000) $138 Avg Close $29.13 Range $21.46 - $39.38

Q3 2018

Shares 3,102 Value ($000) $89 Avg Close $18.71 Range $11.85 - $29.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	741	$54	$57.94	$38.59 - $79.92
Q1 2019	4,377	$138	$29.13	$21.46 - $39.38
Q3 2018	3,102	$89	$18.71	$11.85 - $29.60