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^*

LARSEN ED

(Last)

(First)

(Middle)

4440 EL CAMINO REAL

(Street)

LOS ALTOS

94022

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
RAMBUS INC [ RMBS ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2004

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	02/26/2004		M		14,989	A	$12.7813	18,841	D
Common Stock	02/26/2004		S		14,989	D	$33.0477	3,852	D
Common Stock	02/26/2004		M		6,380	A	$15.6719	10,232	D
Common Stock	02/26/2004		S		6,380	D	$33.0477	3,852	D
Common Stock	02/26/2004		M		23,512	A	$12.7813	27,364	D
Common Stock	02/26/2004		S		23,512	D	$33.0477	3,852	D
Common Stock	02/26/2004		M		20,609	A	$14.8281	24,461	D
Common Stock	02/26/2004		S		20,609	D	$33.0477	3,852	D
Common Stock	02/26/2004		M		80,284	A	$15.6719	84,136	D
Common Stock	02/26/2004		S		80,284	D	$33.0477	3,852	D
Common Stock	02/26/2004		M		4,226	A	$8.637	8,078	D
Common Stock	02/26/2004		S		4,226	D	$33.0477	3,852	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)
Employee Stock Option	$12.7813	02/26/2004		M			14,989	02/01/2001⁽¹⁾	12/04/2007	CS	14,989	$0	136,118	D
Employee Stock Option	$15.6719	02/26/2004		M			6,380	01/31/2004⁽²⁾	10/20/2009	CS	6,380	$0	129,738	D
Employee Stock Option	$12.7813	02/26/2004		M			23,512	02/01/2001⁽³⁾	12/04/2007	CS	23,512	$0	106,226	D
Employee Stock Option	$14.8281	02/26/2004		M			20,609	02/01/2002⁽⁴⁾	11/05/2008	CS	20,609	$0	85,617	D
Employee Stock Option	$15.6719	02/26/2004		M			80,284	01/31/2003⁽⁵⁾	10/20/2009	CS	80,284	$0	5,333	D
Employee Stock Option	$8.637	02/26/2004		M			4,226	10/31/2002⁽⁶⁾	11/21/2012	CS	4,226	$0	1,107	D

Explanation of Responses:

1. This option is fully vested.

2. This option is fully vested.

3. This option is fully vested.

4. This option is fully vested.

5. This option vests monthly becoming fully vested on 12/31/2004.

6. This option vests monthly becoming fully vested on 9/30/2007.

	Edward Larsen	03/01/2004
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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