Justin William Smart - 07 Jan 2026 Form 4 Insider Report for KILROY REALTY CORP (KRC)

Role: President
Signature: /s/ Heidi R. Roth, as attorney-in-fact for Justin William Smart
Issuer symbol: KRC
Transactions as of: 07 Jan 2026
Net transactions value: -$143,459
Form type: 4
Filing time: 09 Jan 2026, 17:18:11 UTC
Previous filing: 10 Oct 2025
Next filing: 09 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Smart Justin William	President	C/O KILROY REALTY CORPORATION, 12200 W. OLYMPIC BLVD., SUITE 200, LOS ANGELES	/s/ Heidi R. Roth, as attorney-in-fact for Justin William Smart	09 Jan 2026	0001565262

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	: KRC	Common stock, par value $0.01 per share	Award	$0	+3,256	+0.86%	$0.000000	379,779	07 Jan 2026	Direct	F1
transaction	: KRC	Common stock, par value $0.01 per share	Tax liability	$43,948	-1,124	-0.3%	$39.10	378,655	08 Jan 2026	Direct	F2
transaction	: KRC	Common stock, par value $0.01 per share	Tax liability	$99,510	-2,499	-0.66%	$39.82	376,156	09 Jan 2026	Direct	F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	: KRC	Restricted Stock Units	Award	$0	+639	+0.67%	$0.000000	95,835	07 Jan 2026	Common Stock	639		Direct	F4, F5, F6
transaction	: KRC	Restricted Stock Units	Award	$0	+675	+0.7%	$0.000000	96,510	07 Jan 2026	Common Stock	675		Direct	F4, F5, F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	Restricted stock units tendered to pay tax withholding.
F3	Common stock tendered to pay tax withholding.
F4	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.
F5	Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F6	The reporting person was awarded performance units in 2023 covering a three-year performance period ending December 31, 2025. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2023 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.
F7	The reporting person was awarded performance units in 2024 covering a three-year performance period ending December 31, 2026. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2024 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.