WEISS PECK & GREER LLC
SC 13G, 1997-02-11
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                                UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                 SCHEDULE 13G
                   Under the Securities Exchange Act of 1934
                             (Amendment No. __)*

                     COLLABORATIVE CLINICAL RESEARCH, INC.
      -------------------------------------------------------------------
                               (Name of Issuer)

                                  COMMON STOCK
      -------------------------------------------------------------------
                        (Title of Class of Securities)

                                    194190104
      -------------------------------------------------------------------
                                (CUSIP Number)

Check the following box if a fee is being paid with this statement / /. (A fee
is not required only if the filing person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7).

*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 the
disclosures provided in a cover page.

The information required in 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).

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CUSIP No. 194190104            SCHEDULE 13G                  Page 2 of 5 Pages

1.   Name of Reporting Person
     S.S. or I.R.S. Identification No. of Above Person
     WEISS, PECK & GREER, L.L.C.


2.   Check the Appropriate Box if a Member of a Group*        (a) / /
                                                              (b) /x/

3.   SEC Use Only

4.   Citizenship or Place of Organization
     DELAWARE


                         5.   Sole Voting Power
                              -0-

Number of Shares
                         6.   Shared Voting Power
 Beneficially                 381,100

 Owned by Each
                         7.   Sole Dispositive Power
Reporting Person              -0-

     With
                         8.   Shared Dispositive Power
                              381,100


9.   Aggregate Amount Beneficially Owned by Each Reporting Person
     381,100


10.  Check Box if the Aggregate Amount in Row (9)
         Excludes Certain Shares*                                 /xxx/


11.  Percent of Class Represented by Amount in Row 9
     6.04%

12.  Type of Reporting Person*
     BD,IA,PN

                     * SEE INSTRUCTIONS BEFORE FILLING OUT!

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Cusip No. 194190104               13G                              Page 3 of 5



Item 1(a).     Name of Issuer:  Collaborative Clinical Research, Inc.

Item 1(b).     Address of Issuer's Principal Executive Office:

               20600 Chagrin Blvd. - Suite 1050
               Cleveland, OH 44122

Item 2(a).     Name of Person Filing:  Weiss, Peck & Greer, L.L.C. ("WPG")

Item 2(b).     Address of Principal Business Office, or if None, Residence:

               One New York Plaza
               New York, NY 10004

Item 2(c).     Citizenship:  WPG is a limited liability company, organized
               under the laws of the State of Delaware

Item 2(d).     Title of Class of Securities:  Common Stock

Item 2(e).     CUSIP Number: 194190104

Item 3.        If this statement is Filed Pursuant to Rules 13d-1(b)
               or 13d-2(b), Check Whether the Person Filing is a:

               (a)   ( X )   Broker or Dealer registered under Section 15 of the
                             Securities Exchange Act of 1934 (the "Act")
               (b)   (   )   Bank as defined in Section 3(a) (6) of the Act
               (c)   (   )   Insurance Company as defined in Section 3(a) (19)
                             of the Act
               (d)   (   )   Investment Company registered under Section 8 of
                             the Investment Company Act of 1940
               (e)   ( X )   Investment Adviser registered under Section 203 of
                             the Investment Advisers Act of 1940
               (f)   (   )   Employee Benefit Plan, Pension Fund which is
                             subject to the provisions of the Employee
                             Retirement Income Security Act of 1974 or Endowment
                             Fund; see Sec. 240.13d-1(b) (1) (ii)(F)
               (g)   (   )   Parent Holding Company, in accordance with
                             Sec. 240.13d-1(b) (ii)(G)(Note: See Item 7)
               (h)   (   )   Group, in accordance with paragraph 240.13d-1(b) 
                             (1) (ii) (H)

                             
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Cusip No. 194190104                         13G                      Page 4 of 5




Item 4.        Ownership:


               (a)   Amount Beneficially Owned: 381,100 as of December 31, 1996.

               (b)   Percent of Class: 6.04% (based on the 6,310,000 shares of 
                     common stock reported to be outstanding in the Form 10-Q
                     filed for the period ending September 30, 1996).

               (c)   Number of shares as to which such person has:

                    (i)     sole power to vote:     -0-

                    (ii)    shared power to vote or to direct the vote:  381,100

                    (iii)   sole power to dispose or to direct the disposition
                              of:     -0-

                    (iv)    shared power to dispose or to direct the 
                              disposition of: 381,100

Item 5.        Ownership of Five Percent or Less of a Class:

               Not applicable.

Item 6.        Ownership of More Than Five Percent on Behalf of Another Person:

This Statement on Schedule 13G ("Schedule 13G") is filed by WPG, a Delaware
limited liability company which is registered as a broker-dealer under Section
15 of the Act, and as an investment adviser under Section 203 of the Investment
Advisers Act of 1940, as amended.

This Schedule 13G is being filed with respect to 381,100 shares of common stock
of Collaborative Clinical Research, Inc. (the "Common Stock") held by WPG at
December 31, 1996 for the discretionary accounts of certain clients. By reason
of Rule 13d-3 under the Act, WPG may be deemed to be a "beneficial owner" of
such Common Stock. WPG expressly disclaims beneficial ownership of the Common
Stock. Each client has the right to receive or the power to direct the receipt
of dividends from, or the proceeds from the sale of, such Common Stock purchased
for his account. To the knowledge of WPG, no person has the right to receive or
the power to direct the receipt of dividends from, or the proceeds from the sale
of, such Common Stock which represents more than 5% of the outstanding shares of
the Common Stock referred to in Item 4(b) hereof.

This Schedule 13G is not being filed with respect to the shares of Common Stock
which may be owned by principals of WPG, or by their respective spouses, or as
custodian or trustee for their respective family members or by their respective
family foundations, since WPG does not possess or share voting or investment 
power with respect to such 

<PAGE>


Cusip No. 194190104                         13G                     Page 5 of 5

Common Stock. Each of such principals disclaims, pursuant to Rule 13d-4, that
he or she is the beneficial owner, within the meaning of Rule 13d-3, of the
shares of Common Stock owned by the various parties referred to in this Schedule
13G, other than such shares as the respective principal owns of record.

Item 7.        Identification and Classification of the Subsidiary Which
               Acquired the Security Being Reported on By the Parent
               Holding Company:

               Not applicable.

Item 8.        Identification and Classification of Members of the Group:

               Not applicable.

Item 9.        Notice of Dissolution of the Group:

               Not applicable.

Item 10.       Certification:

By signing below, Richard S. Pollack, General Counsel of WPG, certifies that, to
the best of his knowledge and belief, securities referred to above as being held
or owned beneficially by WPG were acquired in the ordinary course of business
and were not acquired for the purpose of and do not have the effect of changing
or influencing the control of the issuer of such securities and were not
acquired in connection with or as a participant in any transaction having such
purpose or effect.

                                    SIGNATURE

After reasonable inquiry and to the best of his knowledge and belief, the
undersigned certifies that the information set forth in this statement is true,
complete and correct.

Dated: February 5, 1997


WEISS, PECK & GREER, L.L.C.


By:
     ----------------------------
     Richard S. Pollack
     General Counsel


         Attention: Intentional misstatements or omissions of fact constitute
Federal criminal violations (see 18 U.S.C. 1001).



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