CYTOMX THERAPEUTICS INC

Ticker: CTMX CUSIP: 23284F105 Class: COM

Casdin Capital, LLC's Holding History (CIK: 0001534261)

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

Q3 2018

Shares 207,500 Value ($000) $3,839 Avg Close $22.78 Range $17.61 - $27.20

Q2 2018

Shares 207,500 Value ($000) $4,743 Avg Close $25.54 Range $19.86 - $30.73

Q1 2018

Shares 207,500 Value ($000) $5,903 Avg Close $28.54 Range $20.52 - $35.00

Q4 2017

Shares 177,500 Value ($000) $3,747 Avg Close $20.73 Range $18.10 - $24.67

Q3 2017

Shares 177,500 Value ($000) $3,225 Avg Close $15.60 Range $13.09 - $18.31

Q2 2017

Shares 177,500 Value ($000) $2,751 Avg Close $15.07 Range $13.00 - $18.01

Q1 2017

Shares 177,500 Value ($000) $3,065 Avg Close $13.16 Range $10.40 - $20.02

Q4 2016

Shares 127,500 Value ($000) $1,401 Avg Close $12.12 Range $9.85 - $16.25

Q3 2016

Shares 127,500 Value ($000) $1,999 Avg Close $12.10 Range $9.54 - $17.79

Q2 2016

Shares 234,179 Value ($000) $2,392 Avg Close $11.41 Range $9.10 - $14.00

Q1 2016

Shares 321,023 Value ($000) $4,141 Avg Close $13.89 Range $11.18 - $20.94

Q4 2015

Shares 321,023 Value ($000) $6,700 Avg Close $15.82 Range $9.01 - $24.68

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	207,500	$3,839	$22.78	$17.61 - $27.20
Q2 2018	207,500	$4,743	$25.54	$19.86 - $30.73
Q1 2018	207,500	$5,903	$28.54	$20.52 - $35.00
Q4 2017	177,500	$3,747	$20.73	$18.10 - $24.67
Q3 2017	177,500	$3,225	$15.60	$13.09 - $18.31
Q2 2017	177,500	$2,751	$15.07	$13.00 - $18.01
Q1 2017	177,500	$3,065	$13.16	$10.40 - $20.02
Q4 2016	127,500	$1,401	$12.12	$9.85 - $16.25
Q3 2016	127,500	$1,999	$12.10	$9.54 - $17.79
Q2 2016	234,179	$2,392	$11.41	$9.10 - $14.00
Q1 2016	321,023	$4,141	$13.89	$11.18 - $20.94
Q4 2015	321,023	$6,700	$15.82	$9.01 - $24.68