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 *
BOYD WILLIAM S
  2. Issuer Name and Ticker or Trading Symbol
BOYD GAMING CORP [BYD]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Chairman
(Last)
(First)
(Middle)
3883 HOWARD HUGHES PARKWAY, NINTH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
07/31/2017
(Street)

LAS VEGAS, NV 89169
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 07/31/2017   M   48,325 A $ 9.86 19,348,861 (1) I By Trust* (5)
Common Stock 07/31/2017   S   48,325 D $ 25.0896 (2) 19,300,536 I By Trust* (5)
Common Stock 08/01/2017   M   28,206 A $ 9.86 19,328,742 I By Trust* (5)
Common Stock 08/01/2017   S   28,206 D $ 25.3373 (3) 19,300,536 I By Trust* (5)
Common Stock               153,117 I By Spouse

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
Employee Stock Option (Right to Buy) $ 9.86 07/31/2017   M     48,325   (4) 11/07/2023 Common Stock 48,325 $ 0 28,206 D  
Employee Stock Option (Right to Buy) $ 9.86 08/01/2017   M     28,206   (4) 11/07/2023 Common Stock 28,206 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BOYD WILLIAM S
3883 HOWARD HUGHES PARKWAY
NINTH FLOOR
LAS VEGAS, NV 89169
  X   X   Executive Chairman  

Signatures

 Brian A. Larson, Attorney-in-Fact for William S. Boyd   08/01/2017
**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) Moved 218,388 shares of directly held common stock into the William S. Boyd Gaming Properties Trust ("WSBGPT"), The reporting person is the trustee, settlor and beneficiary of the WSBGPT.
(2) This transaction was executed in multiple trades at prices ranging from $25.00 to $25.2600. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(3) This transaction was executed in multiple trades at prices ranging from $25.110 to $25.5950. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
(4) Options granted under Boyd Gaming Corporation 2012 Flexible Stock Option Plan. Vesting plan calls for options to become exercisable at the rate of 33.333% per year on the first day of each successive 12 month period commencing one year from grant date.
(5) By William S. Boyd Gaming Properties Trust ("WSBGPT") of which reporting person is the trustee, settlor and beneficiary.
 
Remarks:
*  The reporting person expressly disclaims beneficial ownership of any securities of the Issuer except for those securities that are owned directly by the Reporting Person or to the extent of the Reporting Person's pecuniary interest in a trust or other entity which owns such securities.

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