CYTOMX THERAPEUTICS INC

Ticker: CTMX CUSIP: 23284F105 Class: COM

SECTORAL ASSET MANAGEMENT INC's Holding History (CIK: 0001274413)

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

Q2 2019

Shares 10,058 Value ($000) $113 Avg Close $10.48 Range $8.94 - $11.69

Q1 2019

Shares 10,058 Value ($000) $108 Avg Close $14.78 Range $9.38 - $19.75

Q4 2018

Shares 10,058 Value ($000) $152 Avg Close $14.84 Range $12.51 - $18.66

Q3 2018

Shares 10,058 Value ($000) $186 Avg Close $22.78 Range $17.61 - $27.20

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	10,058	$113	$10.48	$8.94 - $11.69
Q1 2019	10,058	$108	$14.78	$9.38 - $19.75
Q4 2018	10,058	$152	$14.84	$12.51 - $18.66
Q3 2018	10,058	$186	$22.78	$17.61 - $27.20