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 *
Smart Justin William
   2. Issuer Name and Ticker or Trading Symbol
KILROY REALTY CORP [NYSE: KRC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
See Remarks
(Last)
(First)
(Middle)
C/O KILROY REALTY CORPORATION, 12200 W. OLYMPIC BLVD., SUITE 200		 3. Date of Earliest Transaction (Month/Day/Year)
02/01/2019
(Street)

LOS ANGELES, CA 90064		 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, par value $0.01 per share (1) 02/01/2019   A   7,155 A $ 0 109,849.9346 D  
Common stock, par value $0.01 per share 02/01/2019   M   28,091 A $ 0 137,940.9346 D  
Common stock, par value $0.01 per share (2) 02/04/2019   F   13,434 D $ 69.89 124,506.9346 D  

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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
Restricted Stock Units (3) 02/01/2019   A   1,545.0407     (4)   (4) Common Stock 1,545.0407 $ 0 40,086.2398 D  
Restricted Stock Units (3) 02/01/2019   A   15,431.1578     (5)   (5) Common Stock 15,431.1578 $ 0 55,517.3976 D  
Restricted Stock Units (3) 02/01/2019   M     28,091.5714   (6)   (6) Common Stock 28,091.5714 $ 0 27,425.8262 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Smart Justin William
C/O KILROY REALTY CORPORATION
12200 W. OLYMPIC BLVD., SUITE 200
LOS ANGELES, CA 90064		       See Remarks  

Signatures

 /s/ Tyler H. Rose, as attorney-in-fact for Justin William Smart   02/05/2019
**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) Award of restricted stock units granted pursuant to the Kilroy Realty 2006 Incentive Award Plan. Each restricted stock unit carries with it a right to receive dividend equivalents in respect of the share of stock underlying such restricted stock unit.
(2) Restricted stock units tendered to pay tax withholding.
(3) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
(4) The reporting person was awarded performance units in 2016 covering a three-year performance period ending December 31, 2018. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2016 and 2017 performance. The number of units reported reflects the additional number of units that vested based on 2018 performance.
(5) The reporting person was awarded performance units in 2018 covering a three-year performance period ending December 31, 2020. The number of units reported reflects the minimum number of units eligible to vest based on 2018 performance. The units remain subject to additional time-based vesting requirements. Up to an additional 15,431.1578 units may vest for the three-year performance period based on the Issuer's performance for that three-year period.
(6) The performance units were awarded in 2016 and the final number of units subject to the award (as adjusted for dividend equivalents through February 1, 2019) was determined based on a three-year performance period ending December 31, 2018. The units are payable in shares of the Issuer's common stock.
 
Remarks:
Executive Vice President, Development and Construction Services

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