Eliott Trencher - 05 Feb 2026 Form 4 Insider Report for KILROY REALTY CORP (: KRC)

Role: EVP, Chief Investment Officer
Signature: /s/ Heidi R. Roth, as attorney-in-fact for Eliott Trencher
Issuer symbol: : KRC
Transactions as of: 05 Feb 2026
Net transactions value: -$930,659
Form type: 4
Filing time: 09 Feb 2026, 19:46:03 UTC
Previous filing: 09 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Trencher Eliott	EVP, Chief Investment Officer	C/O KILROY REALTY CORPORATION, 12200 W. OLYMPIC BLVD., SUITE 200, LOS ANGELES	/s/ Heidi R. Roth, as attorney-in-fact for Eliott Trencher	09 Feb 2026	0001838567

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	+10,930	+27%	$0.000000	51,489	05 Feb 2026	Direct	F1
transaction	: KRC	Common stock, par value $0.01 per share	Options Exercise	$0	+58,515	+114%	$0.000000	110,004	05 Feb 2026	Direct
transaction	: KRC	Common stock, par value $0.01 per share	Tax liability	$930,659	-27,125	-25%	$34.31	82,879	05 Feb 2026	Direct	F2

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	+38,035	+86%	$0.000000	82,312	05 Feb 2026	Common Stock	38,035		Direct	F3, F4
transaction	: KRC	Restricted Stock Units	Award	$0	+22,564	+27%	$0.000000	104,877	05 Feb 2026	Common Stock	22,564		Direct	F3, F5
transaction	: KRC	Restricted Stock Units	Options Exercise	$0	-58,515	-56%	$0.000000	46,362	05 Feb 2026	Common Stock	58,515		Direct	F3, F6

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

Explanation of Responses:

Id	Content
F1	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.
F2	Restricted stock units tendered to pay tax withholding.
F3	Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F4	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 number of units that vested based on 2024 and 2025 performance.
F5	The reporting person was awarded performance units in 2025 covering a three-year performance period ending December 31, 2027. The number of units reported reflects the minimum number of units eligible to vest based on 2025 performance. The units remain subject to additional time-based vesting requirements. Up to an additional 45,128.78 units may vest for the three-year performance period based on the Issuer's performance for that three-year period.
F6	The performance units were awarded in 2023 and the final number of units subject to the award (as adjusted for dividend equivalents through January 31, 2026) was determined based on a three-year performance period ending December 31, 2025. The units are payable in shares of the Issuer's common stock.