ACHAOGEN INC

CUSIP: 004449104 Class: COM

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2015
Shares 156,100 Value ($000) $1,524 Avg Close — Range —
Q4 2014
Shares 154,700 Value ($000) $2,019 Avg Close — Range —
Q3 2014
Shares 150,000 Value ($000) $1,344 Avg Close — Range —
Q2 2014
Shares 150,000 Value ($000) $2,094 Avg Close — Range —
Q1 2014
Shares 150,000 Value ($000) $2,319 Avg Close — Range —