RAMBUS INC — Director's Dealing 2011

Mar 16, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RAMBUS INC (RMBS)
CIK: 0000917273
Period of Report: 2011-03-15

Reporting Person: HOROWITZ MARK (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-15	Common Stock	M	20000	$15.80	Acquired	861831	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-15	Director Stock Option	$15.80	M	20000	Disposed	2011-03-16	Common Stock (20000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	9753	Direct

Footnotes

F1: Includes 6,855 shares that were previously reported as a direct holding of the Reporting Person. Those shares have been subsequently transferred to the Mark Horowitz & Jody Buckley Living Trust.

F2: Shares held directly by the Mark Horowitz & Jody Buckley Living Trust dated June 21, 2003 for which the Reporting Person serves as a trustee.

F3: The option is fully vested.