OM GROUP INC

CUSIP: 670872100 Class: COM

HEARTLAND ADVISORS INC's Holding History (CIK: 0000937394)

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

Q1 2015
Shares 46,523 Value ($000) $1,397 Avg Close — Range —
Q4 2014
Shares 1,049,967 Value ($000) $31,289 Avg Close — Range —
Q3 2014
Shares 926,547 Value ($000) $24,044 Avg Close — Range —
Q2 2014
Shares 442,300 Value ($000) $14,344 Avg Close — Range —