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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
917273	Rambus Inc	RMBS	Semiconductors & Related Devices (3674)	943112828

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1232019	Penny Herscher	1050 Enterprise Way, Suite 700 Sunnyvale CA 94089		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Rmbs Common Stock	Acquisiton	2011-10-03	11,612	$0.00	11,612	No	4	P	Direct
Rmbs	Acquisiton	2011-10-04	3,836	$14.44	14,187	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct
No	4	S	Indirect	See Footnote

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Rmbs Common Stock	18,023	Indirect	See Footnote

Footnotes

Shares are represented by restricted stock units. Each restricted stock unit represents a contingent right to receive one share of RMBS common stock.
All of the restricted stock units will vest on October 3, 2012.
Includes 7,672 shares represented by restricted stock units previously held directly by Reporting Person. Following vesting and issuance, shares are held by the 2001 Herscher Family Trust.
Shares held directly by the 2001 Herscher Family Trust for which the Reporting Person serves as a trustee.
The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 17, 2011.
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $13.47 to $14.95. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.