| SC 13G/A | 2012-02-13 | PRICE T ROWE ASSOCIATES INC /MD/ | GIBRALTAR INDUSTRIES, INC. | 3,020,805 | 9.9% | EDGAR |
| SC 13G/A | 2012-02-10 | BlackRock Inc. | GIBRALTAR INDUSTRIES, INC. | 2,473,288 | 8.1% | EDGAR |
| SC 13G | 2012-02-10 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | GIBRALTAR INDUSTRIES, INC. | 2,443,132 | 8.0% | EDGAR |
| SC 13G/A | 2012-02-07 | FRANKLIN RESOURCES INC | GIBRALTAR INDUSTRIES, INC. | 3,519,882 | 11.6% | EDGAR |
| SC 13G/A | 2011-02-11 | DIMENSIONAL FUND ADVISORS LP | GIBRALTAR INDUSTRIES, INC. | 2,324,552 | 7.7% | EDGAR |
| SC 13G | 2011-02-11 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | GIBRALTAR INDUSTRIES, INC. | 1,719,094 | 5.7% | EDGAR |
| SC 13G/A | 2011-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | GIBRALTAR INDUSTRIES, INC. | 3,022,353 | 9.9% | EDGAR |
| SC 13G/A | 2011-02-09 | FRANKLIN RESOURCES INC | GIBRALTAR INDUSTRIES, INC. | 3,641,421 | 12.0% | EDGAR |
| SC 13G/A | 2011-02-04 | BlackRock Inc. | GIBRALTAR INDUSTRIES, INC. | 2,614,796 | 8.6% | EDGAR |
| SC 13G/A | 2010-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | GIBRALTAR INDUSTRIES, INC. | 2,995,023 | 9.9% | EDGAR |
| SC 13G/A | 2010-02-08 | DIMENSIONAL FUND ADVISORS LP | GIBRALTAR INDUSTRIES, INC. | 2,494,865 | 8.3% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | GIBRALTAR INDUSTRIES, INC. | 2,304,356 | 7.6% | EDGAR |
| SC 13G/A | 2010-01-27 | FRANKLIN RESOURCES INC | GIBRALTAR INDUSTRIES, INC. | 3,239,849 | 10.7% | EDGAR |
| SC 13G/A | 2009-11-10 | NWQ INVESTMENT MANAGEMENT CO LLC | GIBRALTAR INDUSTRIES, INC. | 1,168,569 | 3.9% | EDGAR |
| SC 13G/A | 2009-03-10 | PRICE T ROWE ASSOCIATES INC /MD/ | GIBRALTAR INDUSTRIES, INC. | 2,998,423 | 10.0% | EDGAR |
| SC 13G/A | 2009-02-17 | NWQ INVESTMENT MANAGEMENT CO LLC | GIBRALTAR INDUSTRIES, INC. | 2,440,336 | 8.1% | EDGAR |
| SC 13G/A | 2009-02-13 | PRICE T ROWE ASSOCIATES INC /MD/ | GIBRALTAR INDUSTRIES, INC. | 2,997,923 | 9.9% | EDGAR |
| SC 13G/A | 2009-02-09 | DIMENSIONAL FUND ADVISORS INC | GIBRALTAR INDUSTRIES, INC. | 2,494,686 | 8.3% | EDGAR |
| SC 13G/A | 2009-02-06 | FRANKLIN RESOURCES INC | GIBRALTAR INDUSTRIES, INC. | 3,759,699 | 12.5% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | GIBRALTAR INDUSTRIES, INC. | 708,015 | 2.4% | EDGAR |