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 | 07/12/2010 | | 3 | | Initial statement of beneficial ownership of securities | | INFRASTRUX HOLDINGS, LLC | |  | |  | |  | |  | |
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| 07/12/2010 | | 3 | | Initial statement of beneficial ownership of securities | | LONERGAN DANIEL E | | | | | | | | | |
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| 07/12/2010 | | 3 | | Initial statement of beneficial ownership of securities | | LEVANDE ALAN B | | | | | | | | | |
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| 07/12/2010 | | 3 | | Initial statement of beneficial ownership of securities | | LEVANDE ALAN B | | | | | | | | | |
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| 07/12/2010 | | 3 | | Initial statement of beneficial ownership of securities | | LONERGAN DANIEL E | | | | | | | | | |
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| 07/12/2010 | | 3 | | Initial statement of beneficial ownership of securities | | INFRASTRUX HOLDINGS, LLC | | | | | | | | | |
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| 07/09/2010 | | 3 | | Initial statement of beneficial ownership of securities | | LENNON MICHAEL T | | | | | | | | | |
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| 06/01/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | DIPAOLO E J JED | | | | | | | | | |
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| 06/01/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | BAYER MICHAEL J | | | | | | | | | |
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| 06/01/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | BERRY WILLIAM B | | | | | | | | | |
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| 06/01/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | WILLIAMS S MILLER | | | | | | | | | |
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| 06/01/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | SLUDER ROBERT L | | | | | | | | | |
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| 06/01/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | MCNABB JOHN T | | | | | | | | | |
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| 05/12/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | COWARD JERRIT M | | | | | | | | | |
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| 05/12/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | GIBSON JAMES L | | | | | | | | | |
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| 05/12/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | WELCH VAN A | | | | | | | | | |
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| 05/05/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | ARBOUR PETER W | | | | | | | | | |
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| 05/05/2010 | | 3 | | Initial statement of beneficial ownership of securities | | ARBOUR PETER W | | | | | | | | | |
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| 04/07/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | HARL ROBERT R | | | | | | | | | |
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| 04/07/2010 | | 4 | | Statement of changes in beneficial ownership of securities | | WELCH VAN A | | | | | | | | | |
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