IDERA PHARMACEUTICALS INC

CUSIP: 45168K306 Class: CMN

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

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

Q2 2018
Shares 22,776 Value ($000) $30 Avg Close — Range —
Q1 2018
Shares 19,421 Value ($000) $36 Avg Close — Range —
Q4 2017
Shares 16,914 Value ($000) $36 Avg Close — Range —
Q3 2017
Shares 16,914 Value ($000) $38 Avg Close — Range —
Q2 2017
Shares 18,571 Value ($000) $32 Avg Close — Range —
Q1 2017
Shares 18,571 Value ($000) $46 Avg Close — Range —
Q4 2016
Shares 18,571 Value ($000) $28 Avg Close — Range —
Q3 2016
Shares 15,790 Value ($000) $40 Avg Close — Range —
Q2 2016
Shares 14,485 Value ($000) $22 Avg Close — Range —
Q1 2016
Shares 14,485 Value ($000) $29 Avg Close — Range —
Q4 2015
Shares 14,485 Value ($000) $45 Avg Close — Range —
Q3 2015
Shares 14,485 Value ($000) $49 Avg Close — Range —