HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q2 2015
Shares 1,757,272 Value ($000) $20,595 Avg Close — Range —
Q1 2015
Shares 1,814,130 Value ($000) $22,967 Avg Close — Range —
Q4 2014
Shares 1,411,795 Value ($000) $22,349 Avg Close — Range —
Q3 2014
Shares 1,126,656 Value ($000) $18,624 Avg Close — Range —
Q2 2014
Shares 1,217,540 Value ($000) $22,232 Avg Close — Range —
Q1 2014
Shares 1,382,271 Value ($000) $23,250 Avg Close — Range —
Q4 2013
Shares 1,404,236 Value ($000) $22,763 Avg Close — Range —
Q3 2013
Shares 773,187 Value ($000) $9,634 Avg Close — Range —