| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +30K sh | $5.20 | +$156K | 30,000 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | U | −30K sh | $7.50 | −$225K | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +45K sh | $5.20 | +$234K | 45,000 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | U | −45K sh | $7.50 | −$338K | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +37.5K sh | $5.20 | +$195K | 37,500 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | U | −37.5K sh | $7.50 | −$281K | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +150K sh | $5.20 | +$780K | 150,000 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | U | −150K sh | $7.50 | −$1.13M | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +150K sh | $5.20 | +$780K | 150,000 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | U | −150K sh | $7.50 | −$1.13M | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | X | −30K sh | $5.20 | −$156K | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | X | −45K sh | $5.20 | −$234K | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | X | −37.5K sh | $5.20 | −$195K | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | X | −150K sh | $5.20 | −$780K | 0 |
| 2010-06-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | X | −150K sh | $5.20 | −$780K | 0 |
| 2010-06-17 | NORTH AMERICAN GALVANIZING & COATINGS INC | U | −124K sh | $7.50 | −$932K | 26,666 |
| 2010-06-15 | NORTH AMERICAN GALVANIZING & COATINGS INC | J | −124K sh | — | — | 0 |
| 2010-06-15 | NORTH AMERICAN GALVANIZING & COATINGS INC | J | +124K sh | — | — | 124,302 |
| 2010-06-14 | NORTH AMERICAN GALVANIZING & COATINGS INC | U | −1.86M sh | $7.50 | −$14M | 26,666 |
| 2010-04-01 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +4,529 sh | — | — | 124,302 |
| 2010-01-04 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +5,198 sh | — | — | 119,773 |
| 2009-10-01 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +3,785 sh | — | — | 114,575 |
| 2009-08-31 | NORTH AMERICAN GALVANIZING & COATINGS INC | S | ▼−60K sh | $5.72 | ▼−$343K | 2,086,824 |
| 2009-08-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | I | +150K sh | $5.20 | +$780K | 150,000 |
| 2009-08-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | I | +37.5K sh | $5.20 | +$195K | 37,500 |
| 2009-08-12 | NORTH AMERICAN GALVANIZING & COATINGS INC | S | ▼−37.1K sh | $5.12 | ▼−$190K | 0 |
| 2009-07-01 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +2,591 sh | — | — | 110,790 |
| 2009-04-01 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +5,262 sh | — | — | 108,199 |
| 2009-01-20 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +13.3K sh | — | — | 2,146,824 |
| 2009-01-02 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +4,150 sh | — | — | 102,937 |
| 2008-01-02 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +2,466 sh | — | — | 67,526 |
| 2007-10-01 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +2,359 sh | — | — | 65,060 |
| 2007-07-02 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +1,663 sh | — | — | 62,701 |
| 2007-05-24 | NORTH AMERICAN GALVANIZING & COATINGS INC | S | ▼−20K sh | $15.81 | ▼−$316K | 1,044,179 |
| 2007-05-23 | NORTH AMERICAN GALVANIZING & COATINGS INC | S | ▼−140K sh | $16.91 | ▼−$2.37M | 1,064,179 |
| 2006-10-02 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +2,939 sh | — | — | 1,943,587 |
| 2006-07-03 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +3,388 sh | — | — | 32,057 |
| 2006-07-03 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +3,388 sh | — | — | 1,892,826 |
| 2006-05-16 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +5,000 sh | $3.38 | +$16.9K | 2,018,483 |
| 2006-05-16 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +5,000 sh | $1.31 | +$6,565 | 2,023,483 |
| 2006-05-16 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +5,000 sh | $1.05 | +$5,250 | 2,028,483 |
| 2006-05-16 | NORTH AMERICAN GALVANIZING & COATINGS INC | X | −5,000 sh | $3.38 | −$16.9K | 45,000 |
| 2006-05-16 | NORTH AMERICAN GALVANIZING & COATINGS INC | X | −5,000 sh | $1.31 | −$6,565 | 40,000 |
| 2006-05-16 | NORTH AMERICAN GALVANIZING & COATINGS INC | X | −5,000 sh | $1.05 | −$5,250 | 35,000 |
| 2006-05-03 | NORTH AMERICAN GALVANIZING & COATINGS INC | P | ▲+4,500 sh | $5.29 | ▲+$23.8K | 2,013,483 |
| 2006-05-02 | NORTH AMERICAN GALVANIZING & COATINGS INC | P | ▲+500 sh | $5.33 | ▲+$2,665 | 2,008,983 |
| 2005-05-19 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +15K sh | $1.97 | +$29.6K | 1,949,947 |
| 2004-10-15 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +2,272 sh | $2.20 | +$4,998.4 | 1,924,047 |
| 2004-10-15 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +5,000 sh | $2.15 | +$10.8K | 1,929,047 |
| 2004-09-21 | NORTH AMERICAN GALVANIZING & COATINGS INC | A | +5,000 sh | $1.98 | +$9,900 | 45,000 |