ZS PHARMA INC

CUSIP: 98979G105 Class: Cmn

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q3 2015
Shares 44,852 Value ($000) $2,945 Avg Close — Range —
Q2 2015
Shares 26,002 Value ($000) $1,363 Avg Close — Range —
Q1 2015
Shares 10,100 Value ($000) $426 Avg Close — Range —
Q4 2014
Shares 10,100 Value ($000) $420 Avg Close — Range —