UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940 |
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Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. | SEC 1473 (7-02) | ||
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. |
1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security | 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
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Date Exercisable | Expiration Date | Title | Amount or Number of Shares |
Reporting Owner Name / Address | Relationships | |||
Director | 10% Owner | Officer | Other | |
MARXE AUSTIN W & GREENHOUSE DAVID M C/O SPECIAL SITUATIONS FUNDS 527 MADISON AVENUE, SUITE 2600 NEW YORK, NY 10022 |
 |  X |  |  |
Austin W. Marxe | 06/08/2006 | |
**Signature of Reporting Person | Date | |
David M. Greenhouse | 06/08/2006 | |
**Signature of Reporting Person | Date |
* | If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
** | Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) | This is a joint filing by Austin W. Marxe (Marxe) and David M. Greenhouse (Greenhouse). They share voting and investment control over all securities owned by Special Situations Fund III QP, L.P. (QP), Special Situations Cayman Fund, L.P. (CAY) and Special Situations Private Equity Fund, L.P. (PE), respectively . 3,785,700 shares of Common Stock are owned by QP, 1,066,616 shares of Common Stock are owned by CAY and 1,500,000 shares of Common Stock are owned by PE. The interest of Marxe and Greenhouse in the shares of Common Stock owned by QP, CAY and PE is limited to the extent of his pecuniary interest. |