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 *
COATS LONNEL
  2. Issuer Name and Ticker or Trading Symbol
LEXICON PHARMACEUTICALS, INC. [LXRX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and CEO
(Last)
(First)
(Middle)
8800 TECHNOLOGY FOREST PLACE
3. Date of Earliest Transaction (Month/Day/Year)
02/11/2016
(Street)

THE WOODLANDS, TX 77381
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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Stock Option (Right to Buy) $ 8.2 02/11/2016   A   134,230     (1) 02/11/2026 Common Stock 134,230 $ 0 134,230 D  
Restricted Stock Units (Phantom Stock) (2) 02/11/2016   A   33,560     (3)   (3) Common Stock 33,560 $ 0 33,560 D  
Stock Option (Right to Buy) $ 11.76               (4) 07/07/2024 Common Stock 121,928   121,928 D  
Stock Option (Right to Buy) $ 6.23               (5) 02/05/2025 Common Stock 173,371   173,371 D  
Restricted Stock Units (Phantom Stock) (2)               (6)   (6) Common Stock 43,342   43,342 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
COATS LONNEL
8800 TECHNOLOGY FOREST PLACE
THE WOODLANDS, TX 77381
  X     President and CEO  

Signatures

 /s/ Lonnel Coats   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) Option vests with respect to 25% of the shares subject to the option on the first anniversary of grant (2/11/2017) and vests 1/48th per month for each month of service thereafter.
(2) Each restricted stock unit represents a contingent right to receive one share of common stock.
(3) Restricted stock units vest with respect to 25% of the shares subject to the restricted stock units on February 28, 2017 and vest an additional 25% on February 28 of each of the three succeeding years thereafter.
(4) Option vests with respect to 25% of the shares subject to the option on the first anniversary of grant (7/7/2015) and vests 1/48th per month for each month of service thereafter.
(5) Option vests with respect to 25% of the shares subject to the option on the first anniversary of grant (2/5/16) and vests 1/48th per month for each month of service thereafter.
(6) Restricted stock units vest with respect to 25% of the shares subject to the restricted stock units on February 28, 2016 and vest an additional 25% on February 28 of each of the three succeeding years thereafter.

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