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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Senner Christopher J.
  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 and CFO
(Last)
(First)
(Middle)
C/O EXELIXIS, INC., 210 EAST GRAND AVE.
3. Date of Earliest Transaction (Month/Day/Year)
07/15/2016
(Street)

SOUTH SAN FRANCISCO, CA 94080
4. If Amendment, Date Original Filed(Month/Day/Year)
09/26/2016
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 07/15/2016(1)   F   46,751 (2) D $ 8.44 105,976 D  
Common Stock (3) 09/22/2016(4)   A   20,000 A $ 0 125,976 (5) D  
Common Stock               1,660 I By 401(k) (6)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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) $ 14.74 09/22/2016   A   120,000   09/22/2017(7) 09/21/2023(8) Common Stock 120,000 $ 0 120,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Senner Christopher J.
C/O EXELIXIS, INC.
210 EAST GRAND AVE.
SOUTH SAN FRANCISCO, CA 94080
      EVP and CFO  

Signatures

 /s/ Deborah Burke, Attorney in Fact   11/23/2016
**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) The original Form 4 filed on September 26, 2016 is amended by this Form 4 amendment to reflect 46,751 shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of restricted stock units held by the Reporting Person that occurred on July 15, 2016. This transaction also reduces the amount of securities beneficially owned by the Reporting Person.
(2) Shares withheld by Exelixis, Inc. to satisfy taxes payable in connection with the vesting of restricted stock units awarded on July 15, 2015.
(3) Represents shares of Exelixis, Inc. common stock that will be 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.
(4) The restricted stock units were granted to the Reporting Person on the Transaction Date pursuant to the Exelixis, Inc. 2014 Equity Incentive Plan. The restricted stock units will vest as to 1/4th of the original number of shares subject to the restricted stock unit award on November 15, 2017, and thereafter as to 1/4th of the original number of shares subject to the restricted stock unit award on each November 15th until fully-vested.
(5) Includes 20,000 shares of Exelixis, Inc. common stock that will be issued to the Reporting Person upon vesting of restricted stock units.
(6) Represents 1,660 shares of Exelixis, Inc. common stock under the Exelixis, Inc. 401(k) Plan, pursuant to a plan statement dated as of September 23, 2016.
(7) Option granted pursuant to the Exelixis, Inc. 2014 Equity Incentive Plan. Option granted will vest as to 1/4th of the original number of shares subject to the option on the one-year anniversary of theTransaction 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.
(8) The original Form 4 filed on September 26, 2016 is amended by this Form 4 amendment to correctly reflect the expiration date of the option.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.