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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
1276837	Laura Stark	1050 Enterprise Way, Suite 700 Sunnyvale CA 94089	Svp, Gm Esd	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2017-05-12	464	$8.55	210,229	No	4	M	Direct
Common Stock	Acquisiton	2017-05-12	700	$7.31	210,929	No	4	M	Direct
Common Stock	Acquisiton	2017-05-12	971	$5.46	211,900	No	4	M	Direct
Common Stock	Acquisiton	2017-05-12	803	$8.76	212,703	No	4	M	Direct
Common Stock	Disposition	2017-05-12	3,992	$12.46	208,711	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee stock option (right to buy)	Acquisiton	2017-05-12	464	$0.00	464	$8.55
Common Stock	Employee stock option (right to buy)	Acquisiton	2017-05-12	700	$0.00	700	$7.31
Common Stock	Employee stock option (right to buy)	Acquisiton	2017-05-12	971	$0.00	971	$5.46
Common Stock	Employee stock option (right to buy)	Acquisiton	2017-05-12	803	$0.00	803	$8.76

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
17,187	2009-08-02	2019-02-02	No	4	M	Direct
25,900	2012-08-01	2022-02-01	No	4	M	Direct
35,942	2013-08-01	2023-02-01	No	4	M	Direct
42,589	2014-08-03	2024-02-03	No	4	M	Direct

Footnotes

The sales reported on this Form 4 are pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 9, 2017.
The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $12.35 to $12.55. 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.
Ten percent of the shares subject to the option vested on August 2, 2009 and the remaining shares vested monthly thereafter until fully vested on February 2, 2014.
Ten percent of the shares subject to the option vested on August 1, 2012 and the remaining shares vested monthly thereafter until fully vested on February 1, 2016.
Ten percent of the shares subject to the option vested on August 1, 2013 and the remaining shares vested monthly thereafter until fully vested on February 1, 2017.
Ten percent of the shares subject to the option vested on August 3, 2014 and the remaining shares vested monthly thereafter until fully vested on February 3, 2018.