OPTIMER PHARMACEUTICALS INC

CUSIP: 68401H104 Class: CMN

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2013
Shares 90,900 Value ($000) $1,145 Avg Close — Range —
Q2 2013
Shares 3,465,016 Value ($000) $50,139 Avg Close — Range —