CYTOMX THERAPEUTICS INC

Ticker: CTMX CUSIP: 23284F105 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2019

Shares 43,642 Value ($000) $363 Avg Close $6.75 Range $5.10 - $9.00

Q3 2019

Shares 122,572 Value ($000) $905 Avg Close $9.86 Range $7.34 - $12.63

Q3 2018

Shares 156,248 Value ($000) $2,891 Avg Close $22.78 Range $17.61 - $27.20

Q2 2018

Shares 155,317 Value ($000) $3,551 Avg Close $25.54 Range $19.86 - $30.73

Q1 2018

Shares 205,060 Value ($000) $5,834 Avg Close $28.54 Range $20.52 - $35.00

Q4 2017

Shares 307,818 Value ($000) $6,498 Avg Close $20.73 Range $18.10 - $24.67

Q3 2017

Shares 169,799 Value ($000) $3,085 Avg Close $15.60 Range $13.09 - $18.31

Q2 2017

Shares 59,516 Value ($000) $922 Avg Close $15.07 Range $13.00 - $18.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	43,642	$363	$6.75	$5.10 - $9.00
Q3 2019	122,572	$905	$9.86	$7.34 - $12.63
Q3 2018	156,248	$2,891	$22.78	$17.61 - $27.20
Q2 2018	155,317	$3,551	$25.54	$19.86 - $30.73
Q1 2018	205,060	$5,834	$28.54	$20.52 - $35.00
Q4 2017	307,818	$6,498	$20.73	$18.10 - $24.67
Q3 2017	169,799	$3,085	$15.60	$13.09 - $18.31
Q2 2017	59,516	$922	$15.07	$13.00 - $18.01