THRESHOLD PHARMACEUTICAL INC

CUSIP: 885807206 Class: CMN

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

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

Q3 2014
Shares 320,768 Value ($000) $1,158 Avg Close — Range —
Q2 2014
Shares 424,981 Value ($000) $1,683 Avg Close — Range —
Q1 2014
Shares 474,960 Value ($000) $2,261 Avg Close — Range —
Q4 2013
Shares 127,823 Value ($000) $597 Avg Close — Range —