Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
BLACK RONALD D
  2. Issuer Name and Ticker or Trading Symbol
RAMBUS INC [RMBS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & CEO
(Last)
(First)
(Middle)
1050 ENTERPRISE WAY, SUITE 700
3. Date of Earliest Transaction (Month/Day/Year)
02/01/2017
(Street)

SUNNYVALE, CA 94089
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 02/01/2017   F   9,103 D $ 12.8 350,138 D  
Common Stock 02/01/2017   A   63,128 (1) A $ 0 413,266 D  
Common Stock 02/01/2017   A   233,400 (2) A $ 0 646,666 D  
Common Stock 02/02/2017   F   4,802 D $ 12.67 641,864 D  

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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 Underlying Securities
(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 of Derivative Security: 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
Employee Stock Option (right to buy) $ 12.8 02/01/2017   A   197,753   08/01/2017(3) 02/01/2027 Common Stock 197,753 $ 0 197,753 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BLACK RONALD D
1050 ENTERPRISE WAY, SUITE 700
SUNNYVALE, CA 94089
  X     President & CEO  

Signatures

 /s/Bill Krause, by power of attorney   02/03/2017
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Shares are represented by restricted stock units. Each restricted stock unit represents a contingent right to receive one share of RMBS common stock. The restricted stock units vest in four equal annual installments beginning on February 1, 2018 or the first business trading day thereafter.
(2) Shares are represented by performance restricted stock units. Each performance restricted stock unit represents a contingent right to receive one share of RMBS common stock. The performance restricted stock units vest in full on February 1, 2019 based upon assessed achievement of the Company's targeted pro forma operating margin for Fiscal Year 2016 and continued service to the Company through the vest date.
(3) One tenth of the shares subject to the option vest on August 1, 2017 and the remaining shares vest in equal monthly installments until they are fully vested on February 1, 2021.
 
Remarks:
Transactions reported in Table 1, Code F reflect securities withheld to cover the tax liability for restricted stock units that vested on the respective transaction dates reported.

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