Sec Form 4 Filing - Teel Lawrence E. @ WESTLAKE CHEMICAL CORP - 2017-11-13

Insider filing report for Changes in Beneficial Ownership
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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
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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1. Name and Address of Reporting Person
Teel Lawrence E.
2. Issuer Name and Ticker or Trading Symbol
WESTLAKE CHEMICAL CORP [ WLK]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
EVP, Olefins
(Last) (First) (Middle)
2801 POST OAK BOULEVARD, SUITE 600
3. Date of Earliest Transaction (MM/DD/YY)
11/13/2017
(Street)
HOUSTON, TX77056
4. If Amendment, Date Original Filed (MM/DD/YY)
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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 11/13/2017 M 686 A $ 45.6975 2,290 D
Common Stock 11/13/2017 M 3,940 A $ 44.42 6,230 D
Common Stock 11/13/2017 M 3,878 A $ 68.09 10,108 D
Common Stock 11/13/2017 M 3,408 A $ 63.9775 13,516 D
Common Stock 11/13/2017 S 11,912 D $ 93.987 ( 1 ) 1,604 D
Common Stock 11/13/2017 S 800 D $ 93.99 804 D
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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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
(MM/DD/YY)
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 Option (right to buy) $ 45.6975 11/13/2017 M 686 ( 2 ) 02/15/2023 Common Stock 686 $ 0 0 D
Employee Option (right to buy) $ 44.42 11/13/2017 M 3,940 ( 3 ) 02/18/2026 Common Stock 3,940 $ 0 8,001 D
Employee Option (right to buy) $ 68.09 11/13/2017 M 3,878 ( 4 ) 02/20/2025 Common Stock 3,878 $ 0 1,998 D
Employee Option (right to buy) $ 63.9775 11/13/2017 M 3,408 ( 5 ) 02/14/2024 Common Stock 3,408 $ 0 0 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Teel Lawrence E.
2801 POST OAK BOULEVARD, SUITE 600
HOUSTON, TX77056
EVP, Olefins
Signatures
Lawrence E.Teel by J. Feng POA 11/15/2017
Signature of Reporting Person Date
Explanation of Responses:
( 1 )In accordance with the Securities and Exchange Commission's No Action Letter dated June 25, 2008, we have aggregated the sales that occurred on November 13, 2017 for ease of reporting. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $93.91 to 94.41, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.
( 2 )The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2014, 2015 and 2016
( 3 )The stock options are excercisable in three installments of 33%, 33% and 34% on February 18, 2017, 2018 and 2019.
( 4 )The stock options are excercisable in three installments of 33%, 33% and 34% on February 20, 2016, 2017 and 2018.
( 5 )The stock options are excercisable in three installments of 33%, 33% and 34% on February 14, 2015, 2016 and 2017.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
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