Statement of Changes in Beneficial Ownership (4)

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

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Paratte A. Robert	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 (MM/DD/YYYY) 10/13/2021
(Street) LOS ANGELES, CA 90064 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)	10/13/2021		A		162.1172	A	$0	21656.8775	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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 (2)	(3)	10/13/2021		A		77.4097		(4)	(4)	Common Stock	77.4097	$0	18441.2172	D
Restricted Stock Units (2)	(3)	10/13/2021		A		61.1047		(5)	(5)	Common Stock	61.1047	$0	18502.3219	D

Explanation of Responses:
(1)	Grant of restricted stock units in respect of dividend equivalent rights with respect to underlying restricted stock unit awards previously reported on Table I, which were granted pursuant to the Kilroy Realty 2006 Incentive Award Plan and the terms of the applicable award agreement.
(2)	Crediting of restricted stock units in respect of dividend equivalent rights with respect to underlying restricted stock unit awards previously reported on Table II, which were granted pursuant to the Kilroy Realty 2006 Incentive Award Plan and the terms of the applicable award agreement.
(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 2019 covering a three-year performance period ending December 31, 2021. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2019 and 2020 performance. The number of units reported reflects the additional minimum number of units eligible to vest as a result of the crediting of restricted stock units in respect of dividend equivalent rights. The units remain subject to additional time-based vesting requirements.
(5)	The reporting person was awarded performance units in 2020 covering a three-year performance period ending December 31, 2022. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2020 performance. The number of units reported reflects the additional minimum number of units eligible to vest as a result of the crediting of restricted stock units in respect of dividend equivalent rights. The units remain subject to additional time-based vesting requirements.

Remarks: Executive Vice President, Head of Leasing and Business Development

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Paratte A. Robert 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 A. Robert Paratte		10/14/2021
**Signature of Reporting Person		Date