CASTELLE \CA\

Q: Mar 31 2007

FY: Dec 31 2006

FY: Dec 31 2006

Q: Sep 30 2006

Q: Jun 30 2006

Q: Mar 31 2006

FY: Dec 31 2005

Q: Sep 30 2005

Q: Sep 30 2005

Q: Jun 30 2005

Q: Mar 31 2005

Q: Sep 30 2004

Q: Sep 30 2004

Q: Jun 30 2004

Q: Mar 31 2004

FY: Dec 31 2004

FY: Mar 31 2005

Q: Sep 30 2004

Q: Jun 30 2004

Q: Mar 31 2004

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

2.02,9.01

2.02,9.01

8.01,9.01

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

2.02,9.01

Results of Operations and Financial Condition

2.02,9.01

Results of Operations and Financial Condition

2.02,9.01

2.02,9.01

4.02

2.02,9.01

4.01,9.01

12,7

ITEM INFORMATION: Financial statements and exhibits

ITEM INFORMATION: Financial statements and exhibits

12,7

12,7

Certification of termination of registration of a class of securities (Section 12(g))

Notification of removal from listing and/or registration on a national securities exchange

Written communication about a business combination transaction (Rule 425)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus filed under Rule 424(b)(1)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

No description available

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

No description available

No description available

No description available

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

No description available

BARCLAYS GLOBAL INVESTORS NA /CA/

CHEN ERIC C

CHENG PAUL

BARCLAYS GLOBAL INVESTORS NA /CA/

ZEFF DANIEL

PETROVICH MICHAEL

ZEFF DANIEL

Zeff Capital Partners I, L.P.;Zeff Holding Company, LLC;ZEFF DANIEL

Zeff Holding Company, LLC;ZEFF DANIEL;Zeff Capital Partners I, L.P.

Zeff Capital Partners I, L.P.;Zeff Holding Company, LLC;ZEFF DANIEL

Zeff Holding Company, LLC; ZEFF DANIEL; Zeff Capital Partners I, L.P.

Zeff Capital Partners I, L.P.; Zeff Holding Company, LLC; ZEFF DANIEL

ZEFF DANIEL; Zeff Holding Company, LLC; Zeff Capital Partners I, L.P.

ZEFF DANIEL

Spectrum Galaxy Fund Ltd.;Zeff Capital Partners I, L.P.;Zeff Holding Company, LLC;ZEFF DANIEL

Spectrum Galaxy Fund Ltd.;Zeff Capital Partners I, L.P.;Zeff Holding Company, LLC;ZEFF DANIEL

Spectrum Galaxy Fund Ltd.; Zeff Capital Partners I, L.P.; Zeff Holding Company, LLC; ZEFF DANIEL

Spectrum Galaxy Fund Ltd.;Zeff Capital Partners I, L.P.;Zeff Holding Company, LLC;ZEFF DANIEL

Spectrum Galaxy Fund Ltd.;Zeff Capital Partners I, L.P.;Zeff Holding Company, LLC;ZEFF DANIEL

ZEFF DANIEL;Zeff Capital Partners I, L.P.;Zeff Holding Company, LLC;Spectrum Galaxy Fund Ltd.