| Filed On | Filing |
|---|---|
| 21 May 2015 |
Form 3: Zucco James L Jr, Director
Holds 0 shares of Common Stock |
| 03 Sep 2014 |
Form 3: Hamm Patricia A., Ex VP - Human Resources
Holds 0 shares of Common Stock |
| 24 Jul 2014 |
Form 3: Walton Mercedes, Director
Holds 0 shares of Common Stock |
| 21 Feb 2013 |
Form 3: Westenfield Denise, VP, Controller, Chief Acct Off
Holds 46,348 shares of Common Stock |
| 13 Nov 2012 |
Form 3: Leslie James D, EVP, Strategy & Business Devel
Holds 103,400 shares of Common Stock |
| 17 Jan 2012 |
Form 3: Clary Karen E., Exec VP Human Resources
Holds 0 shares of Common Stock |
| 18 Dec 2009 |
Form 3: O Grady Michael Shawn, EVP Strategy & Operations
Holds 0 shares of Common Stock |
| 14 Feb 2007 |
Form 3: Beyer Robert R, VP of Field Operations
Holds 0 shares of Common Stock |
| 17 Aug 2006 |
Form 3: O'Halloran Patrick, Director
Holds 0 shares of Common Stock |
| 04 Apr 2006 |
Form 3: Blackey Brent G, Director
Holds 0 shares of Common Stock |
| 10 Jan 2006 |
Form 3: Westenfield Denise, Acting Chief Financial Officer
Holds 2,500 shares of Common Stock |
| 10 Jan 2006 |
Form 3: Barnum Gregory T, Director
Holds 0 shares of Common Stock |
| 10 Dec 2004 |
Form 3: Needham Management Partners L P, 10% owner and 1 other
Holds 1,143,100 shares of Common Stock, par value $0.001 per share |
| 12 Aug 1998 | Form 3 |
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