<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Gilead Sciences, Inc.
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
375558103
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(CUSIP Number)
December 31, 1999
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(Date of Event which Requires Filing of this Statement
Check the appropriate box to designate the rule
pursuant to which this Schedule is filed:
[ ] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[X] Rule 13d-1(d)
*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 ("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 11 Pages
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CUSIP No. 375558103 13G Page 2 of 11 Pages
- ------------------- ------------------
- ---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Warburg, Pincus Investors, L.P. I.D.# 13-3549187
- ---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [X]
- ---------- ---------------------------------------------------------------------
3 SEC USE ONLY
- ---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- -------------------- ------ ----------------------------------------------------
5 SOLE VOTING POWER
-0-
------ ----------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY -0-
OWNED BY
EACH ------ ----------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -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
-0-
- ---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
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CUSIP No. 375558103 13G Page 3 of 11 Pages
- ------------------- ------------------
- ---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Warburg, Pincus & Co. I.D.# 13-6358475
- ---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [X]
- ---------- ---------------------------------------------------------------------
3 SEC USE ONLY
- ---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- -------------------- ------ ----------------------------------------------------
5 SOLE VOTING POWER
-0-
------ ----------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY -0-
OWNED BY
EACH ------ ----------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -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
-0-
- ---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
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CUSIP No. 375558103 13G Page 4 of 11 Pages
- ------------------- ------------------
- ---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
E.M. Warburg, Pincus & Co., LLC I.D.# 13-3536050
- ---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [X]
- ---------- ---------------------------------------------------------------------
3 SEC USE ONLY
- ---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- -------------------- ------ ----------------------------------------------------
5 SOLE VOTING POWER
-0-
------ ----------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY -0-
OWNED BY
EACH ------ ----------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -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
-0-
- ---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
OO
- ---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
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CUSIP No. 375558103 13G Page 5 of 11 Pages
- ------------------- ------------------
- ---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Warburg, Pincus Capital Partners I.D.# 13-713041
Liquidating Trust
- ---------- ---------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) [ ]
(b) [X]
- ---------- ---------------------------------------------------------------------
3 SEC USE ONLY
- ---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
- -------------------- ------ ----------------------------------------------------
5 SOLE VOTING POWER
-0-
------ ----------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY -0-
OWNED BY
EACH ------ ----------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -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
-0-
- ---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
OO
- ---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
Item 1(a). Name of Issuer:
- --------- ---------------
Gilead Sciences, Inc. (the "Issuer")
Item 1(b). Address of Issuer's Principal Executive Offices:
- --------- ------------------------------------------------
333 Lakeside Drive
Foster City, CA 94404
Items 2(a) Name of Person Filing; Address of Principal
- ---------- -------------------------------------------
and (b). Business Office:
- ------- ----------------
This statement is filed by and on behalf of
(a) Warburg, Pincus Investors, L.P., a
Delaware limited partnership ("WPI"); (b)
Warburg, Pincus & Co., a New York general
partnership ("WP"); (c) E.M. Warburg, Pincus
& Co., LLC, a New York limited liability
company ("EMW LLC"), which manages WPI; and
(d) Warburg, Pincus Capital Partners
Liquidating Trust (as successor to Warburg,
Pincus Capital Partners, L.P.)("WPCP
Liquidating Trust"). WP, as the sole general
partner of WPI, has a 20% interest in the
profits of WPI. Lionel I. Pincus is the
managing partner of WP and the managing
member of EMW LLC and may be deemed to
control both WP and EMW LLC. The members of
EMW LLC are substantially the same as the
partners of WP. The business address of each
of the foregoing is 466 Lexington Avenue, New
York, New York 10017.
Item 2(c). Citizenship:
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Not Applicable
Item 2(d). Title of Class of Securities:
- --------- -----------------------------
Common Stock, par value $0.01 per share (the "Common Stock")
Item 2(e). CUSIP Number:
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375558103
Item 3. Not Applicable
- ------
Item 4. Ownership:
- ------ ----------
(a) -0- shares of Common Stock, as of
December 31, 1999.
(b) -0-%
Page 6 of 11 Pages
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(c) (i) -0-
(ii) -0-
(iii) -0-
(iv) -0-
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].
Item 6. Ownership of More than Five Percent on Behalf
- ------- ---------------------------------------------
of Another Person:
------------------
Not Applicable
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
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Members of the Group:
---------------------
Not Applicable
Item 9. Notice of Dissolution of Group:
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Not Applicable
Item 10. Certification:
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Not Applicable
Page 7 of 11 Pages
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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.
Dated: February 14, 2000
WARBURG, PINCUS INVESTORS, L.P.
By: Warburg, Pincus & Co., General Partner
By: /s/ Stephen Distler
------------------------------
Stephen Distler, Partner
WARBURG, PINCUS & CO.
By: /s/ Stephen Distler
------------------------------
Stephen Distler, Partner
E.M. WARBURG, PINCUS & CO., LLC
By: /s/ Stephen Distler
------------------------------
Stephen Distler, Member
WARBURG, PINCUS CAPITAL PARTNERS
LIQUIDATING TRUST
By: /s/ Stephen Distler
------------------------------
Stephen Distler, Trustee
Page 8 of 11 Pages
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EXHIBITS
Exhibit I Joint Filing Agreement, dated February 14, 2000, among the
signatories to this Schedule 13G.
Page 9 of 11 Pages
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Exhibit I
JOINT FILING AGREEMENT
PURSUANT TO RULE 13d-1(f)(1)
----------------------------
The undersigned acknowledge and agree that the foregoing statement on
Schedule 13G is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13G shall be filed on behalf
of each of the undersigned without the necessity of filing additional joint
filing agreements. The undersigned acknowledge that each shall be responsible
for the timely filing of such amendments, and for the completeness and accuracy
of the information concerning it contained therein, but shall not be responsible
for the completeness and accuracy of the information concerning the others,
except to the extent that it knows or has reason to believe that such
information is inaccurate. This Agreement may be executed in any number of
counterparts and all of such counterparts taken together shall constitute one
and the same instrument.
Dated: February 14, 2000
WARBURG, PINCUS INVESTORS, L.P.
By: Warburg, Pincus & Co., General Partner
By: /s/ Stephen Distler
------------------------------
Stephen Distler, Partner
WARBURG, PINCUS & CO.
By: /s/ Stephen Distler
------------------------------
Stephen Distler, Partner
E.M. WARBURG, PINCUS & CO., LLC
By: /s/ Stephen Distler
------------------------------
Stephen Distler, Member
Page 10 of 11 Pages
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WARBURG, PINCUS CAPITAL PARTNERS
LIQUIDATING TRUST
By: /s/ Stephen Distler
------------------------------
Stephen Distler, Trustee
Page 11 of 11 Pages
