SEQUOIA CAPITAL V ET AL
SC 13G/A, 1998-02-17
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                                  SCHEDULE 13G

             INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (Amendment No. 1)*

                                  ARADIGM, INC.
                                  ------------
                                (Name of Issuer)

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

                                    038505103
                                    ---------
                                 (CUSIP Number)



*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 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)

                               Page 1 of 16 Pages
<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                Page 2 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              SEQUOIA CAPITAL V  94-3095978
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     -0-

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     -0-

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER
                                     -0-

- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                         Page 2 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 038505103                                                  13G                                Page 3 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              SEQUOIA PARTNERS (FR)  94-3096657
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     -0-
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     -0-

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

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

</TABLE>
                                                         Page 3 of 17 Pages
<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 038505103                                                  13G                                Page 4 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              SEQUOIA TECHNOLOGY PARTNERS V  94-3095977
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     -0-
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     -0-

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                         Page 4 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                Page 5 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              SEQUOIA XX11   95-4337758
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     -0-
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     -0-

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                         Page 5 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                Page 6 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              SEQUOIA XXIII 95-4400009
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     -0-
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     -0-

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     -0-
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                         Page 6 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                Page 7 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              SEQUOIA XXIV  95-4465970
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     8,915
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     -0-

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     8,915
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              8,915
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                         Page 7 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.                                                            13G                                Page 8 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              SEQUOIA 1995
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              UK
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     1,818
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     -0-
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     1,818
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              1,818
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                         Page 8 of 17 Pages
<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                Page 9 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              DONALD VALENTINE
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              US
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     10,733
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER


                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                         Page 9 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                 Page 10 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              GORDON RUSSELL
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              US
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             678 + 7,500 options
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     10,733
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     678 + 7,500 options
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              18,911
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                         Page 10 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                 Page 11 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              PIERRE LAMOND
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              US
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     10,733
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER


                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              Less than 1%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                        Page 11 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                 Page 12 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              THOMAS STEPHENSON
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              US
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     10,733
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER


                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                        Page 12 of 17 Pages

<PAGE>






<TABLE>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No.  038505103                                                 13G                                Page 13 of 17 Pages
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              MICHAEL MORITZ
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                               (a)     o
                                                                                              (b)     x
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              UK
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             -0-
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     10,733
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     -0-

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              10,733
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              -0-
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>
                                                        Page 13 of 17 Pages

<PAGE>


Item 1.

       (a)        Name of Issuer:          Aradigm, Inc.       

       (b)        Address of Issuer's Principal Executive Offices:
                                           26219 Eden Landing Road
                                           Hayward, CA 94545
Item 2.

       (a)        Name of Persons Filing:  Sequoia Capital V ("SC V")
                                           Sequoia Partners (FR) ("SP(FR)")
                                           Sequoia Technology Partners V
                                           Sequoia XXII
                                           Sequoia XXIII
                                           Sequoia XXIV
                                           Sequoia 1995
                                           Pierre Lamond ("PL")
                                           Donald T. Valentine ("DTV")
                                           Thomas F. Stephenson ("TFS")
                                           Gordon Russell ("GR")
                                           Michael Moritz ("MM")

       SP(FR)  is the  General  Partner  of SC V. PL,  DTV,  TFS,  GR AND MM are
General Partners of SP(FR) and STP V.

       (b)        Address of Principal Business Office or, if None, Residence:
                                            3000 Sand Hill Road
                                            Building 4, Suite 280
                                            Menlo Park, CA  94025

       (c)        Citizenship:
                                    SC V, SP(FR), STP V, Sequoia XXII, 
                                    Sequoia XXIII, Sequoia XXIV:  California
                                    PL, DTV, TFS, GR:  US; MM: UK

       (d)        Title of Class of Securities:
                                    Common Stock

       (e)        CUSIP Number:
                                    038505103

Item 3. If this statement is filed pursuant to Rules 13d-1(b),or 13d-2(b), check
whether the person filing is a:

Not applicable

Item 4.  Ownership

See Rows 5 through 11 of cover pages

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

       If this  statement  is being filed to report the fact that as of the date
hereof the reporting  person has ceased to be the beneficial  owner of more than
five percent of the class of securities, check the following. [x]

      Instruction. Dissolution of a group requires a response to this item.


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

Not applicable

                              Page 14 of 17 Pages
<PAGE>


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 Group

Not applicable

Item 10. Certification

       [The following  certification shall be included if the statement is filed
pursuant to Rule 13d-1(b):]

       By signing  below I certify that, to the best of my knowledge and belief,
the  securities  referred  to above  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.]


[EXHIBITS]

[A:    Joint Filing Statement]


                              Page 15 of 17 Pages
<PAGE>



                                    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: February 5, 1997

SEQUOIA CAPITAL V
By its General Partner,
Sequoia Partners (FR)

- --------------------------------
Pierre Lamond, General Partner

SEQUOIA TECHNOLOGY PARTNERS V

SEQUOIA XXII
SEQUOIA XXIII
SEQUOIA XXIV

- --------------------------------
Pierre Lamond


- --------------------------------
Donald T. Valentine


- --------------------------------
Thomas F. Stephenson


- --------------------------------
Gordon Russell


- --------------------------------
Michael Moritz



                              Page 16 of 17 Pages

<PAGE>


                                    EXHIBIT A

                             JOINT FILING STATEMENT

       Pursuant to Rule  13d-1(f)(1),  we, the  undersigned,  hereby express our
agreement that the attached Schedule 13G is filed on behalf of each of us.

Date:  February 5, 1997

SEQUOIA CAPITAL V
By its General Partner,
Sequoia Partners (FR)

SEQUOIA TECHNOLOGY PARTNERS V

SEQUOIA XXII
SEQUOIA XXIII
SEQUOIA XXIV
SEQUOIA 1995

- --------------------------------
Pierre Lamond, General Partner


- --------------------------------
Pierre Lamond


- --------------------------------
Donald T. Valentine


- --------------------------------
Thomas F. Stephenson


- -------------------------------
Gordon Russell


- -------------------------------
Michael Moritz









                              Page 17 of 17 Pages



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