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| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2011 | Horsehead Holding Corp | ZINC | 1,855,001 | 497,503 | 16,714,000 | 6,641,000 | $9.01 |
| 09/30/2011 | Horsehead Holding Corp | ZINC | 1,357,498 | 0 | 10,073,000 | -8,009,000 | $7.42 |
| 06/30/2011 | Horsehead Holding Corp | ZINC | 1,357,498 | 0 | 18,082,000 | -5,063,000 | $13.32 |
| 03/31/2011 | Horsehead Holding Corp | ZINC | 1,357,498 | 0 | 23,145,000 | 5,443,000 | $17.05 |
| 12/31/2010 | Horsehead Holding Corp | ZINC | 1,357,498 | -1,000 | 17,702,000 | 4,294,000 | $13.04 |
| 09/30/2010 | Horsehead Holding Corp | ZINC | 1,358,498 | 0 | 13,408,000 | 3,138,000 | $9.87 |
| 06/30/2010 | Horsehead Holding Corp | ZINC | 1,358,498 | 0 | 10,270,000 | -5,815,000 | $7.56 |
| 03/31/2010 | Horsehead Holding Corp | ZINC | 1,358,498 | 0 | 16,085,000 | -1,236,000 | $11.84 |
| 12/31/2009 | Horsehead Holding Corp | ZINC | 1,358,498 | -5,000 | 17,321,000 | 1,341,000 | $12.75 |
| 09/30/2009 | Horsehead Holding Corp | ZINC | 1,363,498 | 0 | 15,980,000 | 5,822,000 | $11.72 |
| 06/30/2009 | Horsehead Holding Corp | ZINC | 1,363,498 | -3,500 | 10,158,000 | 2,640,000 | $7.45 |
| 03/31/2009 | Horsehead Holding Corp | ZINC | 1,366,998 | -382,636 | 7,518,000 | -705,000 | $5.50 |
| 12/31/2008 | Horsehead Holding Corp | ZINC | 1,749,634 | -38,063 | 8,223,280 | 3,199,851 | $4.70 |
| 12/04/2008 | Horsehead Holding Corp | ZINC | 1,787,697 | 1,787,697 | 5,023,429 | 5,023,429 | $2.81 |
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