SYNTHETIC BIOLOGICS INC

CUSIP: 87164U102 Class: COM

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q1 2017
Shares 11,240 Value ($000) $7 Avg Close — Range —
Q4 2016
Shares 15,683 Value ($000) $12 Avg Close — Range —