OM GROUP INC

CUSIP: 670872100 Class: COM

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

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

Q3 2015
Shares 192,550 Value ($000) $6,333 Avg Close — Range —
Q2 2015
Shares 184,860 Value ($000) $6,211 Avg Close — Range —
Q1 2015
Shares 332,579 Value ($000) $9,987 Avg Close — Range —
Q4 2014
Shares 329,569 Value ($000) $9,821 Avg Close — Range —
Q3 2014
Shares 333,010 Value ($000) $8,642 Avg Close — Range —
Q2 2014
Shares 641,480 Value ($000) $20,802 Avg Close — Range —
Q1 2014
Shares 591,344 Value ($000) $19,644 Avg Close — Range —
Q4 2013
Shares 589,716 Value ($000) $21,472 Avg Close — Range —
Q3 2013
Shares 685,374 Value ($000) $23,152 Avg Close — Range —
Q2 2013
Shares 649,741 Value ($000) $20,090 Avg Close — Range —