CYTOMX THERAPEUTICS INC

Ticker: CTMX CUSIP: 23284F105 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 16,834 Value ($000) $110 Avg Close $7.14 Range $6.40 - $8.00

Q3 2020

Shares 19,835 Value ($000) $132 Avg Close $7.42 Range $6.25 - $9.29

Q2 2020

Shares 19,206 Value ($000) $160 Avg Close $9.29 Range $7.01 - $15.44

Q1 2020

Shares 10,767 Value ($000) $83 Avg Close $6.97 Range $3.60 - $8.63

Q3 2019

Shares 10,678 Value ($000) $79 Avg Close $9.86 Range $7.34 - $12.63

Q2 2019

Shares 6,272 Value ($000) $70 Avg Close $10.48 Range $8.94 - $11.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	16,834	$110	$7.14	$6.40 - $8.00
Q3 2020	19,835	$132	$7.42	$6.25 - $9.29
Q2 2020	19,206	$160	$9.29	$7.01 - $15.44
Q1 2020	10,767	$83	$6.97	$3.60 - $8.63
Q3 2019	10,678	$79	$9.86	$7.34 - $12.63
Q2 2019	6,272	$70	$10.48	$8.94 - $11.69