SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

SHULTZ GEORGE P

(Last)

(First)

(Middle)

HOOVER MEMORIAL BUILDING #239

STANFORD UNIVERSITY

(Street)

STANFORD

94305-6010

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
GILEAD SCIENCES INC [ GILD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
05/04/2005

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/04/2005		M		200,000	A	$4	280,000⁽³⁾⁽⁵⁾	D
Common Stock	05/04/2005		M		8,000	A	$4.75	288,000	D
Common Stock	05/04/2005		S⁽⁴⁾		2,500	D	$38.55	285,500	D
Common Stock	05/04/2005		S		4,900	D	$38.56	280,600	D
Common Stock	05/04/2005		S		5,600	D	$38.57	275,000	D
Common Stock	05/04/2005		S		1,600	D	$38.59	273,400	D
Common Stock	05/04/2005		S		3,202	D	$38.64	270,198	D
Common Stock	05/04/2005		S		4,200	D	$38.65	265,998	D
Common Stock	05/04/2005		S		2,200	D	$38.69	263,798	D
Common Stock	05/04/2005		S		100	D	$38.7	263,698	D
Common Stock	05/04/2005		S		4,100	D	$38.72	259,598	D
Common Stock	05/04/2005		S		3,915	D	$38.73	255,683	D
Common Stock	05/04/2005		S		3,300	D	$38.75	252,383	D
Common Stock	05/04/2005		S		100	D	$38.76	252,283	D
Common Stock	05/04/2005		S		100	D	$38.77	252,183	D
Common Stock	05/04/2005		S		1,500	D	$38.84	250,683	D
Common Stock	05/04/2005		S		926	D	$38.89	249,757	D
Common Stock	05/04/2005		S		4,873	D	$38.96	244,884	D
Common Stock	05/04/2005		S		100	D	$38.97	244,784	D
Common Stock	05/04/2005		S		700	D	$38.98	244,084	D
Common Stock	05/04/2005		S		4,700	D	$38.99	239,384	D
Common Stock	05/04/2005		S		2,200	D	$39	237,184	D
Common Stock	05/04/2005		S		3,700	D	$39.02	233,484	D
Common Stock	05/04/2005		S		2,469	D	$39.03	231,015	D
Common Stock	05/04/2005		S		1,800	D	$39.04	229,215	D
Common Stock	05/04/2005		S		268	D	$39.05	228,947	D
Common Stock	05/04/2005		S		1,900	D	$39.06	227,047	D
Common Stock	05/04/2005		S		11,542	D	$39.07	215,505	D
Common Stock	05/04/2005		S		7,900	D	$39.08	207,605	D
Common Stock	05/04/2005		S		3,125	D	$39.09	204,480	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-Qualified Stock Option (right to buy)	$4	05/04/2005		M		200,000		⁽¹⁾	01/01/2006	Common Stock	200,000	$0	0	D
Non-Qualified Stock Option (right to buy)	$4.75	05/04/2005		M		8,000		⁽²⁾	01/21/2006	Common Stock	8,000	$0	0	D

Explanation of Responses:

1. This option was fully vested as of 1/2/2001.

2. This option was fully vested as of 1/22/2001.

3. All share and dollar amounts have been adjusted for the stock split that was effected on September 3, 2003 benefitting all shareholders of record as of August 12, 2004.

4. The sale transactions reported in this Form 4 are made pursuant to a Rule 10b5-1 trading plan established by Dr. Shultz on April 29, 2005.

5. This report on Form 4 is the first of three to report insider transactions executed on May 4, 2005.

	/s/ John Milligan by Power of Attorney for George P. Shultz	05/06/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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