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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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* BONANNI FABRIZIO (Last) (First) (Middle) ONE AMGEN CENTER DRIVE (Street) THOUSAND OAKS CA 91320-1799 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol AMGEN INC [ AMGN ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Senior V.P. Manufacturing
	3. Date of Earliest Transaction (Month/Day/Year) 07/31/2003
	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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	07/31/2003		M		2,562	A	$39.0313	3,402	D
Common Stock	07/31/2003		M		12,000	A	$39.0313	15,402	D
Common Stock	07/31/2003		M		4,000	A	$30.4375	19,402	D
Common Stock	07/31/2003		S		16,000	D	$70.52	3,402	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
ISO (Right to Buy)	$39.0313	07/31/2003		M			2,562	04/12/2002(1)	04/12/2006	Common Stock	2,562	$0	5,124	D
NQSO (Right to Buy)	$30.4375	07/31/2003		M			4,000	07/01/2000(2)	07/01/2006	Common Stock	4,000	$0	4,000	D
NQSO (Right to Buy)	$39.0313	07/31/2003		M			12,000	04/12/2000(3)	04/12/2006	Common Stock	12,000	$0	175,190	D

Explanation of Responses:

1. (FB-04/99-ISO) The option becomes exercisable for 2,562 shares on April 12, 2002, April 12, 2003 and April 12, 2004, respectively.

2. (FB-07/99-NQSO) The option becomes exercisable for 4,000 shares on July 1, 2000, July 1, 2001, July 1, 2002, July 1, 2003 and July 1, 2004, respectively.

3. (FB-04/99-NQSO) The option becomes exercisable for 37,438 shares on April 12, 2000, April 12, 2001, April 12, 2002, April 12, 2003 and April 12, 2004, respectively.

	Fabrizio Bonanni	07/31/2003
	** 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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