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 *
Lamb Peter
   2. Issuer Name and Ticker or Trading Symbol
EXELIXIS, INC. [EXEL] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, Scientific Strategy & CSO
(Last)
(First)
(Middle)
C/O EXELIXIS, INC., 210 E. GRAND AVE.		 3. Date of Earliest Transaction (Month/Day/Year)
02/11/2016
(Street)

SOUTH SAN FRANCISCO, CA 94080		 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 (1) 02/11/2016(2)   A   45,378 A $ 0 82,804 D  
Common Stock 02/11/2016   F   25,454 (3) D $ 4.2 57,350 D  
Common Stock               14,704 I By 401(k) (4)

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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
Option (right to buy) $ 4.2 02/11/2016   A   40,000   02/11/2017(5) 02/10/2023 Common Stock 40,000 $ 0 40,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Lamb Peter
C/O EXELIXIS, INC.
210 E. GRAND AVE.
SOUTH SAN FRANCISCO, CA 94080		       EVP, Scientific Strategy & CSO  

Signatures

 /s/ Jeffrey J. Hessekiel, Attorney in Fact   02/16/2016
**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) Represents shares of Exelixis, Inc. common stock issued to the Reporting Person upon vesting of restricted stock units. Each restricted stock unit is the economic equivalent of one share of Exelixis, Inc. common stock.
(2) The restricted stock units were granted to the Reporting Person on the Transaction Date pursuant to the Exelixis, Inc. 2014 Equity Incentive Plan and vested in full on the Transaction Date.
(3) Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of restricted stock units awarded on the Transaction Date.
(4) Represents 14,704 shares of Exelixis, Inc. common stock under the Exelixis, Inc. 401(k) Plan, pursuant to a plan statement dated as of February 12, 2016.
(5) Option granted pursuant to the Exelixis, Inc. 2014 Equity Incentive Plan. Option will vest as to 1/4th of the original number of shares subject to the option on the one-year anniversary of the Transaction Date, and thereafter as to 1/48th of the original number of shares subject to the option on each monthly anniversary of the Transaction Date.

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