PROTEON THERAPEUTICS INC

CUSIP: 74371L109 Class: COM

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

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

Q3 2016
Shares 184,400 Value ($000) $1,720 Avg Close — Range —
Q2 2016
Shares 185,649 Value ($000) $1,491 Avg Close — Range —
Q1 2016
Shares 189,149 Value ($000) $1,464 Avg Close — Range —
Q4 2015
Shares 190,446 Value ($000) $2,954 Avg Close — Range —
Q3 2015
Shares 182,698 Value ($000) $2,542 Avg Close — Range —
Q2 2015
Shares 180,217 Value ($000) $3,219 Avg Close — Range —
Q1 2015
Shares 168,100 Value ($000) $1,956 Avg Close — Range —
Q4 2014
Shares 167,200 Value ($000) $1,739 Avg Close — Range —