SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

YANG TAIYIN

(Last)

(First)

(Middle)

GILEAD SCIENCES, INC.

333 LAKESIDE DRIVE

(Street)

FOSTER CITY

94404

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/27/2005

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	SVP, Pharm Dev & Mfg

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	156,615	D
Common Stock	3,992	I	by Trust

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Incentive Stock Option (right to buy)	⁽¹⁾	07/22/2008	Common Stock	12,000	$2.8594	D
Incentive Stock Option (right to buy)	⁽²⁾	01/25/2009	Common Stock	58,664	$4.4688	D
Incentive Stock Option (right to buy)	⁽³⁾	07/22/2009	Common Stock	11,624	$7.2969	D
Incentive Stock Option (right to buy)	⁽⁴⁾	01/18/2011	Common Stock	3,208	$7.3985	D
Incentive Stock Option (right to buy)	⁽⁵⁾	04/05/2010	Common Stock	4,800	$7.4063	D
Incentive Stock Option (right to buy)	⁽⁶⁾	07/20/2010	Common Stock	3,000	$9.3438	D
Incentive Stock Option (right to buy)	⁽⁷⁾	04/18/2011	Common Stock	2,000	$9.81	D
Incentive Stock Option (right to buy)	⁽⁸⁾	11/08/2010	Common Stock	1,888	$11.7579	D
Incentive Stock Option (right to buy)	⁽⁹⁾	01/30/2012	Common Stock	7,448	$16.4375	D
Incentive Stock Option (right to buy)	⁽¹⁰⁾	01/29/2013	Common Stock	4,414	$17.885	D
Incentive Stock Option (right to buy)	⁽¹¹⁾	07/28/2014	Common Stock	290	$29.115	D
Incentive Stock Option (right to buy)	⁽¹²⁾	01/28/2014	Common Stock	3,000	$30.53	D
Incentive Stock Option (right to buy)	⁽¹³⁾	01/26/2015	Common Stock	2,000	$32.02	D
Incentive Stock Option (right to buy)	⁽¹⁴⁾	07/30/2013	Common Stock	1,578	$34.995	D
Incentive Stock Option	⁽¹⁵⁾	05/09/2015	Common Stock	928	$38.72	D
Non-Qualified Stock Option (right to buy)	⁽⁴⁾	01/18/2011	Common Stock	60,792	$7.3985	D
Non-Qualified Stock Option (right to buy)	⁽⁵⁾	04/05/2010	Common Stock	43,200	$7.4063	D
Non-Qualified Stock Option (right to buy)	⁽⁶⁾	07/20/2010	Common Stock	17,000	$9.3438	D
Non-Qualified Stock Option (right to buy)	⁽⁸⁾	11/08/2010	Common Stock	14,112	$11.7579	D
Non-Qualified Stock Option (right to buy)	⁽⁹⁾	01/30/2012	Common Stock	72,552	$16.4375	D
Non-Qualified Stock Option (right to buy)	⁽¹⁰⁾	01/29/2013	Common Stock	45,586	$17.885	D
Non-Qualified Stock Option (right to buy)	⁽¹¹⁾	07/28/2014	Common Stock	29,710	$29.115	D
Non-Qualified Stock Option (right to buy)	⁽¹²⁾	01/28/2014	Common Stock	57,000	$30.53	D
Non-Qualified Stock Option (right to buy)	⁽¹³⁾	01/26/2015	Common Stock	38,000	$32.02	D
Non-Qualified Stock Option (right to buy)	⁽¹⁴⁾	07/30/2013	Common Stock	38,422	$34.995	D
Non-Qualified Stock Option (right to buy)	⁽¹⁵⁾	05/09/2015	Common Stock	29,072	$38.72	D
Incentive Stock Option (right to buy)	⁽¹⁶⁾	01/26/2010	Common Stock	2,000	$7.0782	D
Non-Qualified Stock Option (right to buy)	⁽⁷⁾	04/18/2011	Common Stock	18,000	$9.81	D

Explanation of Responses:

1. Options vest 20% on 7/22/99, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

2. Options vest 20% on 1/25/2000, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

3. Options vest 20% on 7/22/2000, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

4. Options vest 20% on 1/18/2002, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

5. Options vest 20% on 4/5/2001, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

6. Options vest 20% on 7/20/2001, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

7. Options vest 20% on 4/18/2002, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

8. Options vest 20% on 11/8/2001, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

9. Options vest 20% on 1/30/2003, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

10. Options vest 20% on 1/29/2004, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

11. Options vest 20% on 7/28/2005, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

12. Options vest 20% on 1/28/2005, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

13. Options vest 20% on 1/26/2006, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

14. Options vest 20% on 7/30/2004, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

15. Options vest 20% on 5/9/2006, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

16. Options vest 20% on 1/26/2002, first anniversary date of the grant, and the remaining will vest quarterly over the next four years.

	/s/ Taiyin Yang	07/29/2005
	** 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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.