OPTIMER PHARMACEUTICALS INC

CUSIP: 68401H104 Class: CMN

SUSQUEHANNA INTERNATIONAL GROUP, LLP's Holding History (CIK: 0001446194)

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

Q3 2013
Shares 566,565 Value ($000) $7,139 Avg Close — Range —
Q2 2013
Shares 295,876 Value ($000) $4,281 Avg Close — Range —