UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 1)
CASTELLE
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(Name of Issuer)
Common Stock, no par value
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(Title of Class of Securities)
147905103
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(CUSIP Number)
Bruce R. Deming, Esq.
Covington & Burling LLP
One Front Street, 35th Floor
San Francisco, CA 94111
Telephone: (415) 591-7051
Facsimile: (415) 955-6551
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(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)
July 28, 2006
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(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement on Schedule 13G to
report the acquisition that is the subject of this Schedule 13D, and is
filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check
the following box. [ ]
Note: Schedules filed in paper format shall include a signed original and
five copies of the schedule, including all exhibits. See Rule 13d-7 for other
parties to whom copies are to be sent.
* The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which
would alter disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section
of the Act but shall be subject to all other provisions of the Act (however,
see the Notes).
CUSIP No. 147905103
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1. Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
Daniel Zeff
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2. Check the Appropriate Box if a Member of a Group (See
Instructions)
(a) [X]
(b) [ ]
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3. SEC Use Only
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4. Source of Funds (See Instructions) N/A
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5. Check if Disclosure of Legal Proceedings Is Required Pursuant
to Items 2(d) or 2(e) [ ].
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6. Citizenship or Place of Organization United States
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Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With
7. Sole Voting Power 947,302
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8. Shared Voting Power None
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9. Sole Dispositive Power 947,302
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10. Shared Dispositive Power None
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11. Aggregate Amount Beneficially Owned by Each Reporting Person
947,302
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12. Check if the Aggregate Amount in Row (11) Excludes Certain
Shares (See Instructions) [ ]
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13. Percent of Class Represented by Amount in Row (11) 23.57%
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14. Type of Reporting Person (See Instructions)
IN
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CUSIP No. 147905103
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1. Names of Reporting Persons. I.R.S. Identification Nos. of
above persons (entities only).
Spectrum Galaxy Fund Ltd.
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2. Check the Appropriate Box if a Member of a Group (See
Instructions)
(a) [X]
(b) [ ]
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3. SEC Use Only
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4. Source of Funds (See Instructions) WC
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5. Check if Disclosure of Legal Proceedings Is Required Pursuant
to Items 2(d) or 2(e) [ ].
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6. Citizenship or Place of Organization British Virgin Islands
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Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With
7. Sole Voting Power 467,765
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8. Shared Voting Power None
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9. Sole Dispositive Power 467,765
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10. Shared Dispositive Power None
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11. Aggregate Amount Beneficially Owned by Each Reporting Person
467,765
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12. Check if the Aggregate Amount in Row (11) Excludes Certain
Shares (See Instructions) [ ]
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13. Percent of Class Represented by Amount in Row (11) 11.64%
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14. Type of Reporting Person (See Instructions) CO
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CUSIP No. 147905103
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1. Names of Reporting Persons. I.R.S. Identification Nos. of
above persons (entities only).
Zeff Capital Partners I, L.P.
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2. Check the Appropriate Box if a Member of a Group (See
Instructions)
(a) [X]
(b) [ ]
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3. SEC Use Only
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4. Source of Funds (See Instructions) WC
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5. Check if Disclosure of Legal Proceedings Is Required Pursuant
to Items 2(d) or 2(e) [ ].
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6. Citizenship or Place of Organization Delaware
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Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With
7. Sole Voting Power 479,537
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8. Shared Voting Power None
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9. Sole Dispositive Power 479,537
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10. Shared Dispositive Power None
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11. Aggregate Amount Beneficially Owned by Each Reporting Person
479,537
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12. Check if the Aggregate Amount in Row (11) Excludes Certain
Shares (See Instructions) [ ]
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13. Percent of Class Represented by Amount in Row (11) 11.93%
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14. Type of Reporting Person (See Instructions) PN
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CUSIP No. 147905103
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1. Names of Reporting Persons. I.R.S. Identification Nos. of
above persons (entities only).
Zeff Holding Company, LLC
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2. Check the Appropriate Box if a Member of a Group (See
Instructions)
(a) [X]
(b) [ ]
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3. SEC Use Only
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4. Source of Funds (See Instructions) N/A
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5. Check if Disclosure of Legal Proceedings Is Required Pursuant
to Items 2(d) or 2(e) [ ].
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6. Citizenship or Place of Organization Delaware
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Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With
7. Sole Voting Power 479,537
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8. Shared Voting Power None
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9. Sole Dispositive Power 479,537
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10. Shared Dispositive Power None
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11. Aggregate Amount Beneficially Owned by Each Reporting Person
479,537
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12. Check if the Aggregate Amount in Row (11) Excludes Certain
Shares (See Instructions) [ ]
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13. Percent of Class Represented by Amount in Row (11) 11.93%
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14. Type of Reporting Person (See Instructions) OO
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SCHEDULE 13D
This Amendment No. 1 amends and supplements that statement on Schedule
13D (the "Original Filing") originally filed with the Securities and Exchange
Commission on July 11, 2005, by Zeff Holding Company, LLC, a Delaware limited
liability company ("Holding"), Zeff Capital Partners, I, L.P. , a Delaware
limited partnership ("Capital"), Spectrum Galaxy Fund Ltd., a company
incorporated in the British Virgin Islands ("Spectrum") and Daniel Zeff, an
individual ("Zeff") (Holding, Capital, Spectrum and Zeff are hereinafter
collectively referred to as the "Reporting Persons") related to the common stock
(the "Common Stock") of Castelle (the "Company"), a Illinois corporation.
Item 3. Source and Amount of Funds or Other Consideration.
The aggregate amount of funds used to purchase the shares of Common
Stock purchased by the Reporting Persons during the past 60 days was
$327,493.52, which reflects the incurrence of brokerage commissions. The source
of funds used to purchase such shares was working capital of Capital.
Item 4. Purpose of Transaction.
Item 4 of the Original Filing is hereby amended and supplemented by
adding the following thereto:
The Reporting Persons acquired the shares of Common Stock reported
herein, and continue to hold such shares, for investment purposes, with no
intention to influence or change the management or other affairs of the Company.
The Reporting Persons may acquire additional Common Stock of the
Company or dispose of Common Stock of the Company at any time and from time to
time in the open market, in privately negotiated transactions or otherwise.
Although the foregoing represents the range of activities presently contemplated
by the Reporting Persons, the scope of possible activities is subject to change.
Except as set forth above, the Reporting Persons do not have any
present plans or proposals which relate to or would result in any of the action
described in paragraphs (a) through (j) of Item 4 of Schedule 13D.
Item 5. Interest in Securities of the Issuer.
(a) The aggregate percentage of the outstanding shares of Common Stock
reported owned by each Reporting Person is based upon 4,019,237 shares of Common
Stock outstanding as of April 28, 2006, as reported in the Company's Form 10-Q
for quarterly period ended March 31, 2006.
As of the close of business on July 31, 2006:
(i) Mr. Zeff beneficially owns 947,302 shares of Common Stock,
comprised of 467,765 shares of Common Stock held by Spectrum (Mr. Zeff
provides discretionary investment management services to Zeff Capital
Offshore Fund, a class of shares of Spectrum) and 479,537 shares of
Common Stock held by Capital (Mr. Zeff is the sole manager of
Capital's general partner), in total constituting approximately 23.57%
of the shares of Common Stock outstanding;
(ii) Spectrum beneficially owns 467,765 shares of Common Stock
constituting approximately 11.64% of the shares of Common Stock
outstanding;
(iii) Capital beneficially owns 479,537 shares of Common Stock
constituting approximately 11.93% of the shares of Common Stock
outstanding; and
(iv) Holding beneficially owns 479,537 shares of Common Stock held by
Capital, of which Holding is the general partner, constituting
approximately 11.93% of the shares of Common Stock outstanding.
(b) Spectrum has the sole power to vote or to direct the vote and to
dispose or to direct the disposition of the 467,765 shares of Common Stock
reported herein as being beneficially owned by it, which power is exercisable by
Mr. Zeff as investment manager. Capital has the sole power to vote or to direct
the vote and to dispose or to direct the disposition of the 479,537 shares of
Common Stock reported herein as being beneficially owned by it, which power is
exercisable by Mr. Zeff as the sole manager of Holding, Capital's general
partner.
(c) Set forth below is a description of all reportable transactions in
shares of Common Stock that have been effected by the Reporting Persons during
the past 60 days.
The following purchases were made by Capital:
Date Price per share Number of shares
06/07/06 $2.92 200
06/07/06 $2.95 100
06/07/06 $2.98 300
06/07/06 $3.00 500
06/07/06 $3.01 600
06/07/06 $3.04 500
06/07/06 $3.05 100
06/07/06 $3.06 300
06/07/06 $3.07 1,500
06/07/06 $3.09 2,000
06/15/06 $2.91 450
06/15/06 $2.96 1,145
06/15/06 $2.97 100
06/30/06 $2.99 100
06/30/06 $3.06 1,400
07/17/06 $2.66 100
07/17/06 $2.68 2,600
07/17/06 $2.69 7,500
07/17/06 $2.73 200
07/17/06 $2.74 100
07/17/06 $2.75 400
07/17/06 $2.77 300
07/17/06 $2.79 3,000
07/17/06 $2.86 300
07/17/06 $2.90 200
07/17/06 $2.91 400
07/26/06 $3.02 1,000
07/26/06 $3.03 500
07/26/06 $3.04 100
07/26/06 $3.05 6,300
07/26/06 $3.06 500
07/26/06 $3.07 600
07/26/06 $3.09 3,900
07/26/06 $3.10 8,500
07/26/06 $3.15 3,000
07/28/06 $2.53 100
07/28/06 $2.58 700
07/28/06 $2.59 100
07/28/06 $2.60 1,900
07/28/06 $2.63 300
07/28/06 $2.64 300
07/28/06 $2.65 1,370
07/28/06 $2.66 200
07/28/06 $2.67 2,500
07/28/06 $2.68 200
07/28/06 $2.69 2,000
07/28/06 $2.73 100
07/28/06 $2.74 2,400
07/28/06 $2.75 6,440
07/31/06 $2.59 1,900
07/31/06 $2.60 1,200
07/31/06 $2.62 100
07/31/06 $2.63 3,200
07/31/06 $2.64 500
07/31/06 $2.65 4,500
07/31/06 $2.66 8,900
07/31/06 $2.67 6,200
07/31/06 $2.68 3,000
07/31/06 $2.69 4,000
07/31/06 $2.71 5,000
07/31/06 $2.72 402
07/31/06 $2.73 4,800
07/31/06 $2.74 4,900
07/31/06 $2.75 698
(d) No other person has the right to receive or the power to direct
the receipt of dividends from, or the proceeds from the sale of, the Common
Stock.
Item 7. Material to be Filed as Exhibits.
Exhibit 1: Joint Filing Agreement, dated as of August _7_, 2006, by and
among the Reporting Persons.
SIGNATURES
After reasonable inquiry and to the best of their knowledge and behalf, the
undersigned certify that the information set forth in this statement is true,
complete and correct.
Dated: August _7_, 2006
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Daniel Zeff
ZEFF HOLDING COMPANY, LLC
By:_______________________________
Name: Daniel Zeff
Title: Manager
ZEFF CAPITAL PARTNERS I, L.P.
By: Zeff Holding Company, LLC,
as general partner
By:_______________________________
Name: Daniel Zeff
Title: Manager
SPECTRUM GALAXY FUND LTD.
By: _______________________________
Name: Dion R. Friedland
Title: Director
Exhibit 1
Joint Filing Agreement
In accordance with Rule 13d-1(k) under the Securities Exchange Act of
1934, as amended, the undersigned hereby agree to the joint filing on
behalf of each of them of a statement on Schedule 13D (including this
Amendment No. 1 thereto) with respect to the Common Stock of Castelle,
and that this Agreement be included as an Exhibit to such joint filing.
This Agreement may be executed in any number of counterparts all of
which taken together shall constitute one and the same instrument.
In witness hereof, the undersigned hereby executed this Agreement this
_7_ day of August, 2006.
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Daniel Zeff
ZEFF HOLDING COMPANY, LLC
By: _______________________________
Name: Daniel Zeff
Title: Manager
ZEFF CAPITAL PARTNERS I, L.P.
By: Zeff Holding Company, LLC,
as general partner
By: _______________________________
Name: Daniel Zeff
Title: Manager
SPECTRUM GALAXY FUND LTD.
By: _______________________________
Name: Dion R. Friedland
Title: Director