SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D
                                 Amendment No. 4

                    Under the Securities Exchange Act of 1934

                            Flamel Technologies S.A.
                         ------------------------------
                                (Name of Issuer)

                                Ordinary Shares
                         ------------------------------
                         (Title of Class of Securities)

                                   338488 10 9
                         ------------------------------
                                 (CUSIP Number)

                                  Hilary Strain
                       One Embarcadero Center, Suite 4050
                             San Francisco, CA 94111
                                 (415) 362-4022
                         ------------------------------
           (Name, Address and Telephone Number of Person Authorized to
                       Receive Notices and Communications)

                                 April 30, 2003
                         ------------------------------
             (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  which is the subject of this  Schedule  13D,  and is
filing this schedule  because of Rule  13d-1(b)(3)  or (4),  check the following
box: [ ].

         Check the following box if a fee is being paid with this  statement:  .
(A fee  is not  required  only  if the  reporting  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).

         Note: Six copies of this statement,  including all exhibits,  should be
filed with the  Commission.  See Rule  13d-1(a) 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 the 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,  as  amended  (the  "Exchange  Act") or  otherwise  subject  to the
liabilities  of that  section  of the  Exchange  Act but shall be subject to all
other provisions of the Exchange Act.

                        (Continued on following page(s))

                               Page 1 of 18 Pages



CUSIP No. 0338488 10 9            SCHEDULE 13D/A              Page 2 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Alta Partners
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      WC
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      California
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 1
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 1
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 1
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


Footnote  1:  Includes  1,625,000  shares of  ordinary  shares and  Warrants  to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).


CUSIP No. 0338488 10 9            SCHEDULE 13D/A              Page 3 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Alta BioPharma Partners, L.P.
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      WC
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      Delaware
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 2
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 2
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 2
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      PN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  2:  Includes  1,625,000  shares of  ordinary  shares and  Warrants  to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).


CUSIP No. 0338488 10 9            SCHEDULE 13D/A              Page 4 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Alta Embarcadero BioPharma, LLC
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      WC
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      California
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 3
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 3
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 3
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  3:  Includes  1,625,000  shares of  ordinary  shares and  Warrants  to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).


CUSIP No. 0338488 10 9            SCHEDULE 13D/A              Page 5 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Flamel Chase Parnters (Alta Bio), LLC
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      WC
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      Delaware
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 4
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 4
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 4
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

 Footnote  4:  Includes  1,625,000  shares of  ordinary  shares and  Warrants to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).


CUSIP No. 0338488 10 9            SCHEDULE 13D/A              Page 6 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Alta BioPharma Managment, LLC
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      WC
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      Delaware
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 5
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 5
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 5
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  5:  Includes  1,625,000  shares of  ordinary  shares and  Warrants  to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).


CUSIP No. 0338488 10 9            SCHEDULE 13D/A              Page 7 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Alta/Chase BioPharma Management, LLC
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      WC
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      Delaware
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 6
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 6
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 6
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      CO
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  6:  Includes  1,625,000  shares of  ordinary  shares and  Warrants  to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).



CUSIP No. 0338488 10 9            SCHEDULE 13D/A              Page 8 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Jean Deleage
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      AF
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      U.S.A.
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        1
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 7
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               1
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 7
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,001         Please see Footnote 7 and 7a
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      IN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  7:  Includes  1,625,000  shares of  ordinary  shares and  Warrants  to
purchase  1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).

Footnote 7a: In addition Jean Deleage owns 1 share of Flamel Ordinary Shares.


CUSIP No. 0338488 10 9            SCHEDULE 13D/A              Page 9 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Garrett Gruener
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      AF
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      U.S.A.
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 8
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 8
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 8
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      IN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  8:  Includes  1,625,000  shares of  ordinary  shares and  Warrants  to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).


CUSIP No. 0338488 10 9            SCHEDULE 13D/A             Page 10 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Daniel Janney
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      AF
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      U.S.A.
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 9
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 9
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 9
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      IN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  9:  Includes  1,625,000  shares of  ordinary  shares and  Warrants  to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).


CUSIP No. 0338488 10 9            SCHEDULE 13D/A             Page 11 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Alix Marduel
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      AF
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      U.S.A.
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 10
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 10
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 10
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      IN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  10:  Includes  1,625,000  shares of  ordinary  shares and  Warrants to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).



CUSIP No. 0338488 10 9            SCHEDULE 13D/A             Page 12 of 18 Pages
- --------------------------------------------------------------------------------
1     NAMES OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

      Guy Nohra
- --------------------------------------------------------------------------------
2     CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                        (a)  |_|
                                                                        (b)  |X|
- --------------------------------------------------------------------------------
3     SEC USE ONLY


- --------------------------------------------------------------------------------
4     SOURCE OF FUNDS*

      AF
- --------------------------------------------------------------------------------
5     CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
      TO ITEM 2(d) or 2(e)                                                   |_|

- --------------------------------------------------------------------------------
6     CITIZENSHIP OR PLACE OF ORGANIZATION

      U.S.A.
- --------------------------------------------------------------------------------
                  7     SOLE VOTING POWER

                        -0-
                        --------------------------------------------------------
  NUMBER OF       8     SHARED VOTING POWER
   SHARES
BENEFICIALLY            3,050,000                          See Footnote 11
  OWNED BY              --------------------------------------------------------
    EACH          9     SOLE DISPOSITIVE POWER
  REPORTING
   PERSON               -0-
    WITH                --------------------------------------------------------
                  10    SHARED DISPOSITIVE POWER

                        3,050,000                          See Footnote 11
- --------------------------------------------------------------------------------
11    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      3,050,000         Please see Footnote 11
- --------------------------------------------------------------------------------
12    CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
      CERTAIN SHARES*                                                        |_|


- --------------------------------------------------------------------------------
13    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

      18.02%
- --------------------------------------------------------------------------------
14    TYPE OF REPORTING PERSON*

      IN
- --------------------------------------------------------------------------------

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

Footnote  11:  Includes  1,625,000  shares of  ordinary  shares and  Warrants to
purchase 1,050,000 shares of Class A (BSA) and 375,000 shares of Class B (BSA).


CUSIP No. 0338488 10 9            SCHEDULE 13D/A             Page 13 of 18 Pages
- --------------------------------------------------------------------------------

Item 1.  Security and Issuer.

                  This  Statement on Schedule D relates to the Ordinary  Shares,
$0.080 French franc par value per share (the "Shares"),  of Flamel Technologies,
S.A.,  a French  Societe  Anonyme  organized  under the laws of The  Republic of
France  (the  "Company").  The  principal  executive  offices of the Company are
located  at Parc  Club Du  Moulin  a  Vent,  33,  avenue  de Dr.  Georges  Levy,
Venissieux, Cedex 69693, France.


Item 2. Identity and Background.

                  (a) This Statement is filed by Alta BioPharma Partners,  L.P.,
a Delaware limited partnership ("Alta BioPharma"),  Alta Embarcadero  BioPharma,
LLC, a California  limited  liability  company  ("Embarcadero  LLC"), and Flamel
Chase Partners (Alta Bio), LLC, a Delaware  limited  liability  company ("Flamel
Alta Bio") by virtue of their direct  beneficial  ownership  of shares,  by Alta
BioPharma Management Partners,  LLC, a Delaware limited liability company ("Alta
Management"),  by virtue of being the sole general partner of Alta BioPharma, by
Alta/Chase  BioPharma  Management  LLC, a  Delaware  limited  liability  company
(Alta/Chase  Management)  by virtue of being the sole managing  member of Flamel
Chase Partners (Alta Bio),  LLC and by Alta Partners,  a California  corporation
("Alta Partners"),  by virtue of being the management  advisory company of these
entities.  Alta BioPharma,  Embarcadero  LLC, Flamel Alta Bio, Alta  Management,
Alta/Chase  Management  and Alta  Partners are  collectively  referred to as the
"Reporting Persons." Jean Deleage, Garrett Gruener, Daniel Janney, Alix Marduel,
and Guy Nohra (the "Managing  Directors") are the managing directors and members
of Alta  Management,  Alta/Chase  Management and officers of Alta  Partners.  By
virtue of the relationships  described above and their roles with Alta Partners,
each of the  Managing  Directors  and  members  may be  deemed to  control  Alta
Partners,  Alta/Chase Management, Alta Management, and, therefore, may be deemed
to possess  indirect  beneficial  ownership  of the shares held by each  entity.
However, none of the Managing Directors,  acting alone, has voting or investment
power with respect to the shares directly beneficially held by the entities and,
as a result, the Managing Directors disclaim beneficial  ownership of the shares
beneficially  owned by each  entity,  except to the  extent  of their  pecuniary
interest  in each  entity.  Embarcadero  LLC is a side  company  that  makes all
investments pro rata to the capital of Alta BioPharma with all allocations  made
to its members based on paid-in capital.  Certain Managing Directors are members
of Embarcadero LLC and certain members of Embarcadero LLC are affiliates of Alta
Partners.

                  (b)  The  principal   executive  offices  of  Alta  BioPharma,
Embarcadero LLC, Flamel Chase Alta Bio, Alta Management,  Alta/Chase  Management
and Alta Partners,  and the business address of each Partner, are located at One
Embarcadero Center, Suite 4050, San Francisco, California 94111.

                  (c) Alta Partners  provides  investment  advisory  services to
venture  capital firms.  Alta  BioPharma,  Flamel Chase Alta Bio and Embarcadero
LLC's  principal  business  is acting as venture  capital  investment  vehicles.
Alta/Chase  Management  and Alta  Management's  principal  business is acting as
managing  director of Flamel  Chase Alta Bio and Alta  BioPharma,  respectively.
Each of the Directors'  principal  business is acting as a managing  director of
Alta Management and Alta/Chase Management and as a director of Alta Partners.

                  (d) None of the Reporting  Persons or, to the knowledge of the
Reporting  Persons,  any of the  Managing  Directors,  has been  convicted  in a
criminal  proceeding  in the past five years  (excluding  traffic  violations or
similar misdemeanors).

                  (e) During the past five years,  none of the Reporting Persons
or,  to the  knowledge  of the  Reporting  Persons,  and  none  of the  Managing
Directors,  was a party to a civil  proceeding  of a judicial or  administrative
body of  competent  jurisdiction  as a result  of which  such  person  was or is
subject to a judgment,  decree or final order enjoining future violations of, or
prohibiting or mandating activities subject to, federal or state securities laws
of finding any violation with respect to such laws.




CUSIP No. 0338488 10 9            SCHEDULE 13D/A             Page 14 of 18 Pages
- --------------------------------------------------------------------------------

                  (f) Alta Partners is a California corporation.  Alta BioPharma
is a Delaware  limited  partnership.  Embarcadero  LLC is a  California  limited
liability  corporation.  Flamel Chase Alta Bio is a Delaware  limited  liability
company.   Alta  Management  and  Alta/Chase  Management  are  Delaware  limited
liability  companies.  Each of the Managing Directors is a citizen of the United
States.

                  (g) Jean Deleage resigned his position as a Director of Flamel
Technologies on August 13, 2001. Mr. Deleage owns one share of Ordinary Stock of
Flamel  Technologies  stock.  He is a  managing  director  of  Alta  Management,
Alta/Chase  Management and a managing member of  Embarcadero,  LLC. By virtue of
his  roles  with  Alta  Partners,  he may be  deemed  to share  control  of Alta
Partners,  Alta/Chase Management, Alta Management, and, therefore, may be deemed
to possess  indirect  beneficial  ownership  of the Shares held by each  entity.
However,  he is not acting alone, he has voting or investment power with respect
to the shares directly  beneficially  held by the entities and, as a result,  he
disclaims beneficial ownership of the shares directly beneficially owned by each
entity, except to the extent of their pecuniary interest in each entity.

Item 3. Source and Amount of Funds or Other Consideration.

                  N/A

Item 4. Purpose of Transaction.

                  From April 21, 2003 to April 24,  2003,  the funds  affiliated
with Alta Partners sold an aggregate of 536,000 shares of Ordinary Stock for the
aggregate  purchase  price of  $4,866,146.26.  The  shares  were  sold in broker
transactions on the NASDAQ exchange.  The list below provides the information in
connection with the sales:

Fund Date of Sale # of Shares Sold Average Per Share Sale Price ---- ------------ ---------------- ---------------------------- Alta BioPharma Partners, L.P. 4/21/03 12,431 $8.4862 4/22/03 252,985 $9.0363 4/23/03 6,215 $9.5000 4/24/03 61,542 $9.6028 ------ Total 333,173 Fund Date of Sale # of Shares Sold Average Per Share Sale Price ---- ------------ ---------------- ---------------------------- Flamel Chase Partners (Alta Bio), LLC. 4/21/03 7,099 $8.4862 4/22/03 144,478 $9.0363 4/23/03 3,549 $9.5000 4/24/03 35,149 $9.6028 ------ Total 190,275 Alta Embarcadero BioPharma Partners, LLC. 4/21/03 470 $8.4862 4/22/03 9,537 $9.0363 4/23/03 236 $9.5000 4/24/03 2,309 $9.6028 ----- Total 12,552
On April 22, 2003, Mr. Garrett Gruener sold 1,000 shares of Common Stock at $9.13 per share that were held in his BEDCO Pension and Profit Sharing. As a result of this sale he no longer directly owns any shares. The shares were sold in broker transactions on the NASDAQ exchange. Mr. Gruener is a managing director of Alta Management, Alta/Chase Management (the general partner of Alta BioPharma and the CUSIP No. 0338488 10 9 SCHEDULE 13D/A Page 15 of 18 Pages - -------------------------------------------------------------------------------- managing member of Flamel Chase Alta Bio) and a member of Embarcadero LLC. As a managing director and member, he may be deemed to share voting and investment powers of the shares held by the funds. He disclaims beneficial ownership of all such funds held by the aforementioned funds, except to the extent of his proportionate pecuniary interest therein. On April 22, 2003, Mr. Guy Nohra sold 1,000 shares of Common Stock at $9.17 per share that were held in his BEDCO Pension and Profit Sharing. As a result of this sale he no longer directly owns any shares. The shares were sold in broker transactions on the NASDAQ exchange. Mr. Nohra is a managing director of Alta Management, Alta/Chase Management (the general partner of Alta BioPharma and the managing member of Flamel Chase Alta Bio) and a member of Embarcadero LLC. As a managing director and member, he may be deemed to share voting and investment powers of the shares held by the funds. He disclaims beneficial ownership of all such funds held by the aforementioned funds, except to the extent of his proportionate pecuniary interest therein. Item 5. Interest in Securities of the Issuer. (a) Alta BioPharma is the direct beneficial owner of 1,895,842 shares(12) of Ordinary Stock or approximately 11.1% of the shares deemed outstanding by the Company (17,083,352(13)) as of April 30, 2003. Flamel Chase Alta Bio is the direct beneficial owner of 576,848(14) shares of Ordinary Stock or approximately 6.5% of the shares deemed outstanding by the Company (16,703,442)(15) as of April 30, 2003. Embarcadero LLC is the direct beneficial owner of 71,458(16) shares of Ordinary Stock or approximately 0.4% of the shares deemed outstanding by the Company (16,230,976)(17) as of April 30, 2003. (b) Each entity has the power to direct the disposition of and vote the stock held by it. By virtue of the relationships previously reported under Item 2 of this Statement, Alta Management, Alta/Chase Management and Alta Partners may be deemed to have indirect beneficial ownership of the shares owned by such entities. (c) Alta BioPharma, Flamel Chase Alta Bio and Embarcadero LLC each have the right to receive dividends and proceeds from the sale of Ordinary Shares held by it. By virtue of the relationships reported in Item 2 of this Statement, Alta Management, Alta/Chase Management and Alta Partners may be deemed to have the power to direct the receipt of dividends and the proceeds from the sale of the Ordinary Shares held by each entity. Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer. n/a - --------------- 12 Alta BioPharma: Includes 1,010,080 shares of Ordinary Stock and Warrants to purchase 652,666 of Class A (BSA) and 233,096 shares of Class B (BSA). 13 Includes 16,197,500 shares of outstanding Ordinary Stock and Warrants to purchase 885,762 shares of Class A and B (BSA). 14 Flamel Chase Alta Bio: Includes 576,848 shares of Ordinary Stock and Warrants to purchase 372,734 shares of Class A (BSA) and 133,118 shares of Class B (BSA). 15 Includes 16,197,590 shares of outstanding Ordinary Stock and Warrants to purchase 505,852 shares of Class A and B (BSA). 16 Embarcadero LLC: Includes 38,078 shares of Ordinary Stock and Warrants to purchase 24,600 shares of Class A (BSA) and 8,786 shares of Class B (BSA). 17 Includes 16,197,590 shares of outstanding Ordinary Stock and Warrants to purchase 33,386 shares of Class A and B (BSA). CUSIP No. 0338488 10 9 SCHEDULE 13D/A Page 16 of 18 Pages - -------------------------------------------------------------------------------- Item 7. Material to be Filed as Exhibits. Exhibit A: Joint Filing Statement. CUSIP No. 0338488 10 9 SCHEDULE 13D/A Page 17 of 18 Pages - -------------------------------------------------------------------------------- Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: April 30, 2003
Alta Partners Alta BioPharma Partners, L.P. By: /s/ Jean Deleage By: Alta BioPharma Management, LLC -------------------------------------------- Its General Partner Jean Deleage, President Alta BioPharma Management, LLC By: /s/ Jean Deleage -------------------------------------------- Jean Deleage, Managing Director By: /s/ Jean Deleage Flamel Chase Partners (Alta Bio), LLC -------------------------------------------- Jean Deleage, Managing Director By: Alta/Chase BioPharma Management, LLC Alta/Chase BioPharma Management, LLC Its Managing Member By: /s/ Jean Deleage By: /s/ Jean Deleage -------------------------------------------- -------------------------------------------- Jean Deleage, Member Jean Deleage, Member Alta Embarcadero BioPharma, LLC By: /s/ Jean Deleage -------------------------------------------- Jean Deleage, Member /s/ Jean Deleage /s/ Guy Nohra - ----------------------------------------------------- ----------------------------------------------------- Jean Deleage Guy Nohra /s/ Garrett Gruener /s/ Alix Marduel - ----------------------------------------------------- ----------------------------------------------------- Garrett Gruener Alix Marduel /s/ Daniel Janney - ----------------------------------------------------- Daniel Janney
CUSIP No. 0338488 10 9 SCHEDULE 13D/A Page 18 of 18 Pages - -------------------------------------------------------------------------------- EXHIBIT A Joint Filing Statement We, the undersigned, hereby express our agreement that the attached Schedule 13D is filed on behalf of each of us. Date: April 30, 2003
Alta Partners Alta BioPharma Partners, L.P. By: /s/ Jean Deleage By: Alta BioPharma Management, LLC -------------------------------------------- Its General Partner Jean Deleage, President Alta BioPharma Management, LLC By: /s/ Jean Deleage -------------------------------------------- Jean Deleage, Managing Director By: /s/ Jean Deleage Flamel Chase Partners (Alta Bio), LLC -------------------------------------------- Jean Deleage, Managing Director By: Alta/Chase BioPharma Management, LLC Alta/Chase BioPharma Management, LLC Its Managing Member By: /s/ Jean Deleage By: /s/ Jean Deleage -------------------------------------------- -------------------------------------------- Jean Deleage, Member Jean Deleage, Member Alta Embarcadero BioPharma, LLC By: /s/ Jean Deleage -------------------------------------------- Jean Deleage, Member /s/ Jean Deleage /s/ Guy Nohra - ----------------------------------------------------- ----------------------------------------------------- Jean Deleage Guy Nohra /s/ Garrett Gruener /s/ Alix Marduel - ----------------------------------------------------- ----------------------------------------------------- Garrett Gruener Alix Marduel /s/ Daniel Janney - ----------------------------------------------------- Daniel Janney