| ☑ | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | ||||
| ☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | ||||
| Kilroy Realty Corporation | Maryland | 95-4598246 | |||||||||
| (State or other jurisdiction of incorporation or organization) | (I.R.S. Employer Identification No.) | ||||||||||
| Kilroy Realty, L.P. | Delaware | 95-4612685 | |||||||||
| (State or other jurisdiction of incorporation or organization) | (I.R.S. Employer Identification No.) | ||||||||||
| (Registrant's telephone number, including area code) | ||||||||
| N/A | ||||||||
| (Former name, former address and former fiscal year, if changed since last report) | ||||||||
| Securities registered pursuant to Section 12(b) of the Act: | |||||||||||
| Registrant | Title of each class | Name of each exchange on which registered | Ticker Symbol | ||||||||
| Kilroy Realty Corporation | Common Stock, $.01 par value | New York Stock Exchange | KRC | ||||||||
| Securities registered pursuant to Section 12(g) of the Act: | |||||
| Registrant | Title of each class | ||||
| Kilroy Realty, L.P. | Common Units Representing Limited Partnership Interests | ||||
| Page | |||||||||||
| PART I – FINANCIAL INFORMATION | |||||||||||
| Item 1. | |||||||||||
| Item 1. | |||||||||||
| Item 2. | |||||||||||
| Item 3. | |||||||||||
| Item 4. | |||||||||||
| PART II – OTHER INFORMATION | |||||||||||
| Item 1. | |||||||||||
| Item 1A. | |||||||||||
| Item 2. | |||||||||||
| Item 3. | |||||||||||
| Item 4. | |||||||||||
| Item 5. | |||||||||||
| Item 6. | |||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||
ASSETS | |||||||||||
| Real estate assets: | |||||||||||
| Land | $ | 1,730,514 | $ | 1,641,913 | |||||||
| Buildings and improvements | 9,011,023 | 8,505,486 | |||||||||
| Undeveloped land and construction in progress | 1,585,042 | 2,387,742 | |||||||||
| Total real estate assets held for investment | 12,326,579 | 12,535,141 | |||||||||
| Accumulated depreciation and amortization | (2,857,265) | (2,843,811) | |||||||||
| Total real estate assets held for investment, net | 9,469,314 | 9,691,330 | |||||||||
Real estate and other assets held for sale, net | 188,771 | 115,155 | |||||||||
| Cash and cash equivalents | 192,904 | 179,316 | |||||||||
| Marketable securities | 31,417 | 30,807 | |||||||||
Current receivables (net of allowances of $331 and $244, respectively) | 15,712 | 12,765 | |||||||||
| Deferred rent receivables, net | 425,420 | 424,794 | |||||||||
| Deferred leasing costs and acquisition-related intangible assets, net | 271,213 | 278,232 | |||||||||
| Right of use ground lease assets, net | 127,834 | 128,116 | |||||||||
| Prepaid expenses and other assets, net | 52,273 | 54,561 | |||||||||
| Total assets | $ | 10,774,858 | $ | 10,915,076 | |||||||
| LIABILITIES AND EQUITY | |||||||||||
| Liabilities: | |||||||||||
| Secured debt, net | $ | 591,398 | $ | 592,685 | |||||||
| Unsecured debt, net | 3,997,993 | 3,996,774 | |||||||||
| Accounts payable, accrued expenses, and other liabilities | 303,808 | 288,963 | |||||||||
| Ground lease liabilities | 127,414 | 127,628 | |||||||||
| Accrued dividends and distributions | 63,421 | 65,009 | |||||||||
| Deferred revenue and acquisition-related intangible liabilities, net | 122,272 | 125,628 | |||||||||
| Rents received in advance and tenant security deposits | 79,638 | 75,701 | |||||||||
| Liabilities related to real estate assets held for sale | — | 4,945 | |||||||||
| Total liabilities | 5,285,944 | 5,277,333 | |||||||||
| Commitments and contingencies (Note 10) | |||||||||||
| Equity: | |||||||||||
| Stockholders’ Equity: | |||||||||||
Common stock, $.01 par value, 280,000,000 shares authorized, 116,278,807 and 118,372,451 shares issued and outstanding | 1,163 | 1,184 | |||||||||
| Additional paid-in capital | 5,161,140 | 5,230,747 | |||||||||
| Retained earnings | 102,859 | 188,876 | |||||||||
| Total stockholders’ equity | 5,265,162 | 5,420,807 | |||||||||
| Noncontrolling Interests: | |||||||||||
| Common units of the Operating Partnership | 51,328 | 51,911 | |||||||||
| Consolidated property partnerships | 172,424 | 165,025 | |||||||||
| Total noncontrolling interests | 223,752 | 216,936 | |||||||||
| Total equity | 5,488,914 | 5,637,743 | |||||||||
| Total liabilities and equity | $ | 10,774,858 | $ | 10,915,076 | |||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| Revenues: | |||||||||||
| Rental income | $ | 265,330 | $ | 266,244 | |||||||
| 4,723 | 4,600 | ||||||||||
| Total revenues | 270,053 | 270,844 | |||||||||
| Expenses: | |||||||||||
| Property expenses | 59,283 | 58,714 | |||||||||
| Real estate taxes | 28,782 | 28,365 | |||||||||
| Ground leases | 3,187 | 3,020 | |||||||||
| General and administrative expenses | 20,699 | 16,901 | |||||||||
| Leasing costs | 3,010 | 2,873 | |||||||||
| Depreciation and amortization | 94,344 | 87,119 | |||||||||
| Total expenses | 209,305 | 196,992 | |||||||||
| Other Income (Expenses): | |||||||||||
| Interest income | 954 | 1,134 | |||||||||
| Interest expense | (38,511) | (31,148) | |||||||||
| Other income (expense) | 389 | (157) | |||||||||
| Gains on sales of depreciable operating properties | 23,525 | — | |||||||||
| Impairment of real estate assets | (61,778) | — | |||||||||
| Total other expenses | (75,421) | (30,171) | |||||||||
| Net (loss) income | (14,673) | 43,681 | |||||||||
| Net loss (income) attributable to noncontrolling common units of the Operating Partnership | 185 | (375) | |||||||||
| Net income attributable to noncontrolling interests in consolidated property partnerships | (4,779) | (4,298) | |||||||||
| Total net income attributable to noncontrolling interests | (4,594) | (4,673) | |||||||||
| Net (loss) income available to common stockholders | $ | (19,267) | $ | 39,008 | |||||||
| Net (loss) income available to common stockholders per share – basic | $ | (0.16) | $ | 0.33 | |||||||
| Net (loss) income available to common stockholders per share – diluted | $ | (0.16) | $ | 0.33 | |||||||
| Weighted average shares of common stock outstanding – basic | 117,636,517 | 118,194,588 | |||||||||
| Weighted average shares of common stock outstanding – diluted | 117,636,517 | 118,664,430 | |||||||||
| Common Stock | Total Stock- holders’ Equity | Noncontrolling Interests | Total Equity | ||||||||||||||||||||||||||||||||||||||
| Number of Shares | Common Stock | Additional Paid-in Capital | Retained Earnings (Distributions in Excess of Earnings) | ||||||||||||||||||||||||||||||||||||||
| Balance as of December 31, 2025 | 118,372,451 | $ | 1,184 | $ | 5,230,747 | $ | 188,876 | $ | 5,420,807 | $ | 216,936 | $ | 5,637,743 | ||||||||||||||||||||||||||||
Net (loss) income | (19,267) | (19,267) | 4,594 | (14,673) | |||||||||||||||||||||||||||||||||||||
| Issuance of share-based compensation awards | 4,416 | 4,416 | 4,416 | ||||||||||||||||||||||||||||||||||||||
| Non-cash amortization of share-based compensation | 5,811 | 5,811 | 5,811 | ||||||||||||||||||||||||||||||||||||||
| Repurchase of common stock | (2,357,739) | (24) | (72,647) | (72,671) | (72,671) | ||||||||||||||||||||||||||||||||||||
| Net settlement of restricted stock units for shares of common stock | 264,095 | 3 | (6,973) | (6,970) | (6,970) | ||||||||||||||||||||||||||||||||||||
| Contributions from noncontrolling interests in consolidated property partnerships | — | 9,000 | 9,000 | ||||||||||||||||||||||||||||||||||||||
| Distributions to noncontrolling interests in consolidated property partnerships | — | (6,380) | (6,380) | ||||||||||||||||||||||||||||||||||||||
| Adjustment for noncontrolling interest in the Operating Partnership | (214) | (214) | 214 | — | |||||||||||||||||||||||||||||||||||||
Dividends declared per share of common stock and common unit ($0.54 per share/unit) | (66,750) | (66,750) | (612) | (67,362) | |||||||||||||||||||||||||||||||||||||
| Balance as of March 31, 2026 | 116,278,807 | $ | 1,163 | $ | 5,161,140 | $ | 102,859 | $ | 5,265,162 | $ | 223,752 | $ | 5,488,914 | ||||||||||||||||||||||||||||
| Common Stock | Total Stock- holders’ Equity | Noncontrolling Interests | Total Equity | ||||||||||||||||||||||||||||||||||||||
| Number of Shares | Common Stock | Additional Paid-in Capital | Retained Earnings (Distributions in Excess of Earnings) | ||||||||||||||||||||||||||||||||||||||
| Balance as of December 31, 2024 | 118,046,674 | $ | 1,181 | $ | 5,209,653 | $ | 171,212 | $ | 5,382,046 | $ | 226,823 | $ | 5,608,869 | ||||||||||||||||||||||||||||
| Net income | 39,008 | 39,008 | 4,673 | 43,681 | |||||||||||||||||||||||||||||||||||||
| Issuance of share-based compensation awards | 1,476 | 1,476 | 1,476 | ||||||||||||||||||||||||||||||||||||||
| Non-cash amortization of share-based compensation | 5,176 | 5,176 | 5,176 | ||||||||||||||||||||||||||||||||||||||
| Net settlement of restricted stock units for shares of common stock | 222,085 | 2 | (6,011) | (6,009) | (6,009) | ||||||||||||||||||||||||||||||||||||
| Distributions to noncontrolling interests in consolidated property partnerships | — | (7,234) | (7,234) | ||||||||||||||||||||||||||||||||||||||
| Adjustment for noncontrolling interest in the Operating Partnership | 121 | 121 | (121) | — | |||||||||||||||||||||||||||||||||||||
Dividends declared per share of common stock and common unit ($0.54 per share/unit) | (65,353) | (65,353) | (621) | (65,974) | |||||||||||||||||||||||||||||||||||||
| Balance as of March 31, 2025 | 118,268,759 | $ | 1,183 | $ | 5,210,415 | $ | 144,867 | $ | 5,356,465 | $ | 223,520 | $ | 5,579,985 | ||||||||||||||||||||||||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| Cash flows from operating activities: | |||||||||||
Net (loss) income | $ | (14,673) | $ | 43,681 | |||||||
Adjustments to reconcile net (loss) income to net cash provided by operating activities: | |||||||||||
| Depreciation and amortization of real estate assets and leasing costs | 92,885 | 85,735 | |||||||||
Depreciation of non-real estate furniture, fixtures, and equipment | 1,459 | 1,384 | |||||||||
| Revenues deemed uncollectible | 358 | 621 | |||||||||
| Non-cash amortization of deferred revenue related to tenant-funded tenant improvements | (3,218) | (3,688) | |||||||||
| Straight-line rents, net | (701) | 4,613 | |||||||||
Non-cash amortization of net below-market rents | (641) | (846) | |||||||||
| Non-cash amortization of deferred financing costs and debt discounts | 1,662 | 1,219 | |||||||||
| Non-cash amortization of share-based compensation awards | 4,869 | 3,927 | |||||||||
| Amortization of right of use ground lease assets | 282 | 273 | |||||||||
| Gains on sales of depreciable operating properties | (23,525) | — | |||||||||
| Impairment of real estate assets | 61,778 | — | |||||||||
| Net change in other operating assets | 131 | (21,886) | |||||||||
| Net change in other operating liabilities | 30,029 | 21,888 | |||||||||
| Net cash provided by operating activities | 150,695 | 136,921 | |||||||||
| Cash flows from investing activities: | |||||||||||
| Expenditures for development and redevelopment properties and undeveloped land | (102,647) | (55,347) | |||||||||
| Expenditures for operating properties and other capital assets | (29,945) | (21,313) | |||||||||
Net proceeds received from dispositions of real estate assets | 141,440 | — | |||||||||
Non-refundable deposits received for future dispositions | 6,200 | — | |||||||||
Net cash provided by (used in) investing activities | 15,048 | (76,660) | |||||||||
| Cash flows from financing activities: | |||||||||||
| Distributions to noncontrolling interests in consolidated property partnerships | (6,380) | (7,226) | |||||||||
| Dividends and distributions paid to common stockholders and common unitholders | (64,534) | (64,366) | |||||||||
| Taxes paid upon net share settlement of restricted share units | (6,970) | (6,009) | |||||||||
| Principal payments and repayments of secured debt | (1,600) | (1,539) | |||||||||
| Repurchase of common stock | (72,671) | — | |||||||||
| Financing costs | — | (100) | |||||||||
| Net cash used in financing activities | (152,155) | (79,240) | |||||||||
Net increase (decrease) in cash and cash equivalents | 13,588 | (18,979) | |||||||||
Cash and cash equivalents, beginning of period | 179,316 | 165,690 | |||||||||
Cash and cash equivalents, end of period | $ | 192,904 | $ | 146,711 | |||||||
| March 31, 2026 | December 31, 2025 | ||||||||||
ASSETS | |||||||||||
| Real estate assets: | |||||||||||
| Land | $ | 1,730,514 | $ | 1,641,913 | |||||||
| Buildings and improvements | 9,011,023 | 8,505,486 | |||||||||
| Undeveloped land and construction in progress | 1,585,042 | 2,387,742 | |||||||||
| Total real estate assets held for investment | 12,326,579 | 12,535,141 | |||||||||
| Accumulated depreciation and amortization | (2,857,265) | (2,843,811) | |||||||||
| Total real estate assets held for investment, net | 9,469,314 | 9,691,330 | |||||||||
Real estate and other assets held for sale, net | 188,771 | 115,155 | |||||||||
| Cash and cash equivalents | 192,904 | 179,316 | |||||||||
| Marketable securities | 31,417 | 30,807 | |||||||||
Current receivables (net of allowances of $331 and $244, respectively) | 15,712 | 12,765 | |||||||||
| Deferred rent receivables, net | 425,420 | 424,794 | |||||||||
| Deferred leasing costs and acquisition-related intangible assets, net | 271,213 | 278,232 | |||||||||
| Right of use ground lease assets, net | 127,834 | 128,116 | |||||||||
| Prepaid expenses and other assets, net | 52,273 | 54,561 | |||||||||
| Total assets | $ | 10,774,858 | $ | 10,915,076 | |||||||
| LIABILITIES AND CAPITAL | |||||||||||
| Liabilities: | |||||||||||
| Secured debt, net | $ | 591,398 | $ | 592,685 | |||||||
| Unsecured debt, net | 3,997,993 | 3,996,774 | |||||||||
| Accounts payable, accrued expenses, and other liabilities | 303,808 | 288,963 | |||||||||
| Ground lease liabilities | 127,414 | 127,628 | |||||||||
| Accrued distributions | 63,421 | 65,009 | |||||||||
| Deferred revenue and acquisition-related intangible liabilities, net | 122,272 | 125,628 | |||||||||
| Rents received in advance and tenant security deposits | 79,638 | 75,701 | |||||||||
| Liabilities related to real estate assets held for sale | — | 4,945 | |||||||||
| Total liabilities | 5,285,944 | 5,277,333 | |||||||||
Commitments and contingencies (Note 10) | |||||||||||
| Capital: | |||||||||||
Partner's Capital - Common units, 116,278,807 and 118,372,451 held by the general partner and 1,133,562 held by common limited partners issued and outstanding | 5,316,490 | 5,472,718 | |||||||||
| Noncontrolling interests in consolidated property partnerships | 172,424 | 165,025 | |||||||||
| Total capital | 5,488,914 | 5,637,743 | |||||||||
| Total liabilities and capital | $ | 10,774,858 | $ | 10,915,076 | |||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| Revenues: | |||||||||||
| Rental income | $ | 265,330 | $ | 266,244 | |||||||
| 4,723 | 4,600 | ||||||||||
| Total revenues | 270,053 | 270,844 | |||||||||
| Expenses: | |||||||||||
| Property expenses | 59,283 | 58,714 | |||||||||
| Real estate taxes | 28,782 | 28,365 | |||||||||
| Ground leases | 3,187 | 3,020 | |||||||||
| General and administrative expenses | 20,699 | 16,901 | |||||||||
| Leasing costs | 3,010 | 2,873 | |||||||||
| Depreciation and amortization | 94,344 | 87,119 | |||||||||
| Total expenses | 209,305 | 196,992 | |||||||||
| Other Income (Expenses): | |||||||||||
| Interest income | 954 | 1,134 | |||||||||
| Interest expense | (38,511) | (31,148) | |||||||||
| Other income (expense) | 389 | (157) | |||||||||
| Gains on sales of depreciable operating properties | 23,525 | — | |||||||||
| Impairment of real estate assets | (61,778) | — | |||||||||
| Total other expenses | (75,421) | (30,171) | |||||||||
| Net (loss) income | (14,673) | 43,681 | |||||||||
| Net income attributable to noncontrolling interests in consolidated property partnerships | (4,779) | (4,298) | |||||||||
| Net (loss) income available to common unitholders | $ | (19,452) | $ | 39,383 | |||||||
| Net (loss) income available to common unitholders per unit – basic | $ | (0.16) | $ | 0.33 | |||||||
| Net (loss) income available to common unitholders per unit – diluted | $ | (0.16) | $ | 0.33 | |||||||
| Weighted average common units outstanding – basic | 118,770,079 | 119,345,162 | |||||||||
| Weighted average common units outstanding – diluted | 118,770,079 | 119,815,004 | |||||||||
| Partners’ Capital | Noncontrolling Interests in Consolidated Property Partnerships | ||||||||||||||||||||||
| Number of Common Units | Common Units | Total Capital | |||||||||||||||||||||
| Balance as of December 31, 2025 | 119,506,013 | $ | 5,472,718 | $ | 165,025 | $ | 5,637,743 | ||||||||||||||||
Net (loss) income | (19,452) | 4,779 | (14,673) | ||||||||||||||||||||
| Issuance of share-based compensation awards | 4,416 | 4,416 | |||||||||||||||||||||
| Non-cash amortization of share-based compensation | 5,811 | 5,811 | |||||||||||||||||||||
| Repurchase of common units | (2,357,739) | (72,671) | (72,671) | ||||||||||||||||||||
| Net settlement of restricted stock units | 264,095 | (6,970) | (6,970) | ||||||||||||||||||||
| Contributions from noncontrolling interests in consolidated property partnerships | 9,000 | 9,000 | |||||||||||||||||||||
| Distributions to noncontrolling interests in consolidated property partnerships | (6,380) | (6,380) | |||||||||||||||||||||
Distributions declared per common unit ($0.54 per unit) | (67,362) | (67,362) | |||||||||||||||||||||
| Balance as of March 31, 2026 | 117,412,369 | $ | 5,316,490 | $ | 172,424 | $ | 5,488,914 | ||||||||||||||||
| Partners’ Capital | Noncontrolling Interests in Consolidated Property Partnerships | Total Capital | |||||||||||||||||||||
| Number of Common Units | Common Units | ||||||||||||||||||||||
| Balance as of December 31, 2024 | 119,197,248 | $ | 5,434,518 | $ | 174,351 | $ | 5,608,869 | ||||||||||||||||
| Net income | 39,383 | 4,298 | 43,681 | ||||||||||||||||||||
| Issuance of share-based compensation awards | 1,476 | 1,476 | |||||||||||||||||||||
| Non-cash amortization of share-based compensation | 5,176 | 5,176 | |||||||||||||||||||||
| Net settlement of restricted stock units | 222,085 | (6,009) | (6,009) | ||||||||||||||||||||
| Distributions to noncontrolling interests in consolidated property partnerships | (7,234) | (7,234) | |||||||||||||||||||||
Distributions declared per common unit ($0.54 per unit) | (65,974) | (65,974) | |||||||||||||||||||||
| Balance as of March 31, 2025 | 119,419,333 | $ | 5,408,570 | $ | 171,415 | $ | 5,579,985 | ||||||||||||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| Cash flows from operating activities: | |||||||||||
| Net (loss) income | $ | (14,673) | $ | 43,681 | |||||||
| Adjustments to reconcile net (loss) income to net cash provided by operating activities: | |||||||||||
| Depreciation and amortization of real estate assets and leasing costs | 92,885 | 85,735 | |||||||||
| Depreciation of non-real estate furniture, fixtures, and equipment | 1,459 | 1,384 | |||||||||
| Revenues deemed uncollectible | 358 | 621 | |||||||||
| Non-cash amortization of deferred revenue related to tenant-funded tenant improvements | (3,218) | (3,688) | |||||||||
| Straight-line rents, net | (701) | 4,613 | |||||||||
| Non-cash amortization of net below-market rents | (641) | (846) | |||||||||
| Non-cash amortization of deferred financing costs and debt discounts | 1,662 | 1,219 | |||||||||
| Non-cash amortization of share-based compensation awards | 4,869 | 3,927 | |||||||||
| Amortization of right of use ground lease assets | 282 | 273 | |||||||||
| Gains on sales of depreciable operating properties | (23,525) | — | |||||||||
| Impairment of real estate assets | 61,778 | — | |||||||||
| Net change in other operating assets | 131 | (21,886) | |||||||||
| Net change in other operating liabilities | 30,029 | 21,888 | |||||||||
| Net cash provided by operating activities | 150,695 | 136,921 | |||||||||
| Cash flows from investing activities: | |||||||||||
| Expenditures for development and redevelopment properties and undeveloped land | (102,647) | (55,347) | |||||||||
| Expenditures for operating properties and other capital assets | (29,945) | (21,313) | |||||||||
| Net proceeds received from dispositions of real estate assets | 141,440 | — | |||||||||
Non-refundable deposits received for future dispositions | 6,200 | — | |||||||||
| Net cash provided by (used in) investing activities | 15,048 | (76,660) | |||||||||
| Cash flows from financing activities: | |||||||||||
| Distributions to noncontrolling interests in consolidated property partnerships | (6,380) | (7,226) | |||||||||
| Distributions paid to common unitholders | (64,534) | (64,366) | |||||||||
| Taxes paid upon net share settlement of restricted share units | (6,970) | (6,009) | |||||||||
| Principal payments and repayments of secured debt | (1,600) | (1,539) | |||||||||
| Repurchase of common units | (72,671) | — | |||||||||
| Financing costs | — | (100) | |||||||||
| Net cash used in financing activities | (152,155) | (79,240) | |||||||||
| Net increase (decrease) in cash and cash equivalents | 13,588 | (18,979) | |||||||||
| Cash and cash equivalents, beginning of period | 179,316 | 165,690 | |||||||||
| Cash and cash equivalents, end of period | $ | 192,904 | $ | 146,711 | |||||||
| Number of Buildings | Rentable Square Feet | Number of Tenants | Percentage Occupied (1) | ||||||||||||||||||||
Stabilized Office and Life Science Properties (2) | 123 | 17,124,393 | 437 | 77.6 | % | ||||||||||||||||||
| Number of Properties | Number of Units | 2026 Average Occupancy | |||||||||||||||
Stabilized Residential Property | 1 | 608 | 95.0 | % | |||||||||||||
| Consolidated Property Partnership | Property Address | Ownership Interest (1) (2) | ||||||||||||
100 First Street Member, LLC (“100 First LLC”) | 100 1st Street, San Francisco, CA 94105 | 56% | ||||||||||||
303 Second Street Member, LLC (“303 Second LLC”) | 303 2nd Street, San Francisco, CA 94107 | 56% | ||||||||||||
Redwood City Partners, LLC (“Redwood LLC”) | 900 Jefferson Avenue, Redwood City, CA 94063 | 93% | ||||||||||||
| 900 Middlefield Road, Redwood City, CA 94063 | ||||||||||||||
1900 Broadway Partners, LLC (“1900 Broadway LLC”) (3) | 1900 Broadway, Redwood City, CA 94063 | 97% | ||||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||
| ($ in thousands) | |||||||||||
| Number of VIEs | 3 | 2 | |||||||||
Total assets (1) | $ | 444,575 | $ | 380,940 | |||||||
| Total liabilities | $ | 23,614 | $ | 18,304 | |||||||
| Total noncontrolling interests | $ | 167,733 | $ | 160,299 | |||||||
| Property | Month of Disposition | Number of Buildings | Rentable Square Feet | Sales Price (1) | Gain on Sale | |||||||||||||||||||||||||||
| (in millions) | ||||||||||||||||||||||||||||||||
Kilroy Sabre Springs, I-15 Corridor, CA (2) | January | 3 | 427,764 | $ | 124.5 | $ | 8.2 | |||||||||||||||||||||||||
12348 High Bluff Drive (Del Mar Tech Center), Del Mar, CA | March | 1 | 39,192 | 21.0 | 15.3 | |||||||||||||||||||||||||||
Total | 4 | 466,956 | $ | 145.5 | $ | 23.5 | ||||||||||||||||||||||||||
| Real estate and other assets held for sale, net | (in thousands) | ||||
Real estate assets, net | $ | 247,411 | |||
| Prepaid expenses and other assets, net | 3,138 | ||||
Real estate and other assets, net | 250,549 | ||||
| Less: Impairment of real estate and other assets | (61,778) | ||||
| Total real estate and other assets held for sale, net | $ | 188,771 | |||
| March 31, 2026 | December 31, 2025 | ||||||||||
| (in thousands) | |||||||||||
Furniture, fixtures, and other long-lived assets, net (1) | $ | 26,654 | $ | 29,179 | |||||||
| Prepaid expenses, net | 8,193 | 11,000 | |||||||||
Deferred financing costs, net (2) | 8,264 | 9,150 | |||||||||
| Other assets | 9,162 | 5,232 | |||||||||
| Total prepaid expenses and other assets, net | $ | 52,273 | $ | 54,561 | |||||||
| Unsecured Revolving Credit Facility | |||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||
| ($ in thousands) | |||||||||||
| Outstanding borrowings | $ | — | $ | — | |||||||
Remaining borrowing capacity (1) | 1,100,000 | 1,100,000 | |||||||||
Total borrowing capacity (1) | $ | 1,100,000 | $ | 1,100,000 | |||||||
Interest rate (2) | 4.88 | % | 5.07 | % | |||||||
Annual facility fee (3) | 0.25% | ||||||||||
Unamortized deferred financing costs (3) | $ | 8,264 | $ | 9,150 | |||||||
Maturity date (4) | July 31, 2028 | ||||||||||
| 2024 Term Loan Facility | |||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||
| ($ in thousands) | |||||||||||
Outstanding borrowings (1) | $ | 200,000 | $ | 200,000 | |||||||
Interest rate (2) | 4.97 | % | 5.02 | % | |||||||
Unamortized deferred financing costs (3) | $ | 186 | $ | 277 | |||||||
Maturity date (4) | October 3, 2026 | ||||||||||
| Year | (in thousands) | ||||
Remaining 2026 (1) | $ | 599,717 | |||
| 2027 | 249,125 | ||||
| 2028 | 400,000 | ||||
| 2029 | 475,000 | ||||
| 2030 | 500,000 | ||||
| 2031 | 350,000 | ||||
| Thereafter | 2,050,000 | ||||
| Total aggregate principal value | $ | 4,623,842 | |||
Less: unamortized net discounts and deferred financing costs (2) | (34,451) | ||||
| Total debt, net | $ | 4,589,391 | |||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| (in thousands) | |||||||||||
| Gross interest expense | $ | 52,502 | $ | 51,696 | |||||||
Capitalized interest | (13,991) | (20,548) | |||||||||
| Interest expense | $ | 38,511 | $ | 31,148 | |||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| (in thousands) | |||||||||||
| Fixed lease payments | $ | 219,393 | $ | 221,015 | |||||||
| Variable lease payments | 46,675 | 46,420 | |||||||||
Impact from tenant creditworthiness considerations (1) | (738) | (1,191) | |||||||||
| Total rental income | $ | 265,330 | $ | 266,244 | |||||||
| Year Ending | (in thousands) | ||||
| Remaining 2026 | $ | 581,936 | |||
| 2027 | 780,703 | ||||
| 2028 | 756,052 | ||||
| 2029 | 678,137 | ||||
| 2030 | 595,219 | ||||
| 2031 | 487,744 | ||||
| Thereafter | 1,603,242 | ||||
Total (1) | $ | 5,483,033 | |||
| March 31, 2026 | December 31, 2025 | ||||||||||
| (in thousands) | |||||||||||
| Environmental liabilities | $ | 72,241 | $ | 70,030 | |||||||
Fair Value (Level 1) (1) | |||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||
| Description | (in thousands) | ||||||||||
Deferred Compensation Plan assets (2) | $ | 31,417 | $ | 30,807 | |||||||
Fair Value (Level 3) | |||||
| March 31, 2026 | |||||
| Description | (in thousands) | ||||
Impaired real estate assets held for sale | $ | 202,000 | |||
| March 31, 2026 | December 31, 2025 | ||||||||||||||||||||||
| Carrying Value | Fair Value | Carrying Value | Fair Value | ||||||||||||||||||||
| Liabilities | (in thousands) | ||||||||||||||||||||||
| Secured debt, net | $ | 591,398 | $ | 582,204 | $ | 592,685 | $ | 587,244 | |||||||||||||||
| Unsecured debt, net | $ | 3,997,993 | $ | 3,757,890 | $ | 3,996,774 | $ | 3,834,485 | |||||||||||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| (in thousands, except share and per share amounts) | |||||||||||
| Numerator: | |||||||||||
Net (loss) income available to common stockholders | $ | (19,267) | $ | 39,008 | |||||||
Allocation to participating securities (1) | 53 | (212) | |||||||||
Numerator for basic and diluted net (loss) income available to common stockholders | $ | (19,214) | $ | 38,796 | |||||||
| Denominator: | |||||||||||
| Basic weighted average vested shares outstanding | 117,636,517 | 118,194,588 | |||||||||
| Effect of dilutive securities | — | 469,842 | |||||||||
| Diluted weighted average vested shares and common stock equivalents outstanding | 117,636,517 | 118,664,430 | |||||||||
| Basic earnings per share: | |||||||||||
Net (loss) income available to common stockholders per share | $ | (0.16) | $ | 0.33 | |||||||
| Diluted earnings per share: | |||||||||||
Net (loss) income available to common stockholders per share | $ | (0.16) | $ | 0.33 | |||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| (in thousands, except unit and per unit amounts) | |||||||||||
| Numerator: | |||||||||||
Net (loss) income available to common unitholders | $ | (19,452) | $ | 39,383 | |||||||
Allocation to participating securities (1) | 53 | (212) | |||||||||
Numerator for basic and diluted net (loss) income available to common unitholders | $ | (19,399) | $ | 39,171 | |||||||
| Denominator: | |||||||||||
| Basic weighted average vested units outstanding | 118,770,079 | 119,345,162 | |||||||||
| Effect of dilutive securities | — | 469,842 | |||||||||
| Diluted weighted average vested units and common unit equivalents outstanding | 118,770,079 | 119,815,004 | |||||||||
| Basic earnings per unit: | |||||||||||
Net (loss) income available to common unitholders per unit | $ | (0.16) | $ | 0.33 | |||||||
| Diluted earnings per unit: | |||||||||||
Net (loss) income available to common unitholders per unit | $ | (0.16) | $ | 0.33 | |||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| (in thousands) | |||||||||||
| SUPPLEMENTAL CASH FLOWS INFORMATION: | |||||||||||
Cash paid for interest, net of capitalized interest of $13,236 and $19,166, respectively | $ | 30,584 | $ | 24,500 | |||||||
| Cash paid for amounts included in the measurement of ground lease liabilities | $ | 1,903 | $ | 2,325 | |||||||
| NON-CASH INVESTING TRANSACTIONS: | |||||||||||
| Accrual for expenditures for operating properties and development and redevelopment properties | $ | 19,863 | $ | 23,115 | |||||||
| Tenant improvements funded directly by tenants | $ | 1,403 | $ | 1,032 | |||||||
Non-refundable deposits held in escrow for future dispositions | $ | 6,000 | $ | — | |||||||
Contribution of land by noncontrolling interest to consolidated property partnership | $ | 9,000 | $ | — | |||||||
| NON-CASH FINANCING TRANSACTIONS: | |||||||||||
Issuance of RSU dividend equivalents | $ | 4,416 | $ | 1,476 | |||||||
| Accrual of dividends and distributions payable to common stockholders and common unitholders | $ | 63,421 | $ | 64,990 | |||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| (in thousands) | |||||||||||
| SUPPLEMENTAL CASH FLOWS INFORMATION: | |||||||||||
Cash paid for interest, net of capitalized interest of $13,236 and $19,166, respectively | $ | 30,584 | $ | 24,500 | |||||||
| Cash paid for amounts included in the measurement of ground lease liabilities | $ | 1,903 | $ | 2,325 | |||||||
| NON-CASH INVESTING TRANSACTIONS: | |||||||||||
| Accrual for expenditures for operating properties and development and redevelopment properties | $ | 19,863 | $ | 23,115 | |||||||
| Tenant improvements funded directly by tenants | $ | 1,403 | $ | 1,032 | |||||||
Non-refundable deposits held in escrow for future dispositions | $ | 6,000 | $ | — | |||||||
Contribution of land by noncontrolling interest to consolidated property partnership | $ | 9,000 | $ | — | |||||||
| NON-CASH FINANCING TRANSACTIONS: | |||||||||||
Issuance of RSU dividend equivalents | $ | 4,416 | $ | 1,476 | |||||||
| Accrual of distributions payable to common unitholders | $ | 63,421 | $ | 64,990 | |||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| (in thousands) | |||||||||||
| Revenues: | |||||||||||
| Rental income | $ | 265,330 | $ | 266,244 | |||||||
| 4,723 | 4,600 | ||||||||||
| Total revenues | 270,053 | 270,844 | |||||||||
| Expenses: | |||||||||||
| Property expenses | 59,283 | 58,714 | |||||||||
| Real estate taxes | 28,782 | 28,365 | |||||||||
| Ground leases | 3,187 | 3,020 | |||||||||
| General and administrative expenses | 20,699 | 16,901 | |||||||||
| Leasing costs | 3,010 | 2,873 | |||||||||
| Depreciation and amortization | 94,344 | 87,119 | |||||||||
| Total expenses | 209,305 | 196,992 | |||||||||
| Other Income (Expenses): | |||||||||||
| Interest income | 954 | 1,134 | |||||||||
| Interest expense | (38,511) | (31,148) | |||||||||
| Other income (expense) | 389 | (157) | |||||||||
| Gains on sales of depreciable operating properties | 23,525 | — | |||||||||
| Impairment of real estate assets | (61,778) | — | |||||||||
| Total other expenses | (75,421) | (30,171) | |||||||||
| Net (loss) income | $ | (14,673) | $ | 43,681 | |||||||
Number of Properties | Number of Units | ||||||||||
Properties held for sale (1) | 2 | 393 units | |||||||||
| Number of Buildings | Rentable Square Feet | ||||||||||
Total as of December 31, 2025 | 121 | 16,292,164 | |||||||||
Completed development properties placed in-service | 3 | 871,738 | |||||||||
Dispositions (1) | (1) | (39,192) | |||||||||
Remeasurements (2) | — | (317) | |||||||||
Total as of March 31, 2026 | 123 | 17,124,393 | |||||||||
| March 31, 2026 | December 31, 2025 | |||||||||||||||||||||||||||||||||||||
| Region | Number of Buildings | Rentable Square Feet | Occupancy | Number of Buildings | Rentable Square Feet | Occupancy | ||||||||||||||||||||||||||||||||
San Francisco Bay Area (1) | 33 | 6,436,709 | 75.2 | % | 30 | 5,564,971 | 86.2 | % | ||||||||||||||||||||||||||||||
Los Angeles | 52 | 4,242,385 | 74.8 | % | 52 | 4,242,386 | 75.1 | % | ||||||||||||||||||||||||||||||
Seattle | 10 | 2,997,307 | 79.3 | % | 10 | 2,997,623 | 80.0 | % | ||||||||||||||||||||||||||||||
San Diego | 27 | 2,689,017 | 84.6 | % | 28 | 2,728,209 | 83.7 | % | ||||||||||||||||||||||||||||||
| Austin | 1 | 758,975 | 83.2 | % | 1 | 758,975 | 82.2 | % | ||||||||||||||||||||||||||||||
| Total | 123 | 17,124,393 | 77.6 | % | 121 | 16,292,164 | 81.6 | % | ||||||||||||||||||||||||||||||
Average Occupancy (1) | |||||||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
Stabilized Office & Life Science Portfolio (2) | 77.4 | % | 81.4 | % | |||||||
Same Property Portfolio (3) | 82.0 | % | 81.8 | % | |||||||
Residential Portfolio (4) | 95.0 | % | 95.2 | % | |||||||
| Quarter to Date | Number of Leases | Rentable Square Feet | Weighted Average Lease Term (in months) | TI / LC per Sq. Ft. (2) | TI / LC per Sq. Ft. / Year (2) | ||||||||||||||||||||||||||||||||||||||||||
| New | Renewal | New | Renewal | Total | |||||||||||||||||||||||||||||||||||||||||||
2nd Gen Leasing (3) | 23 | 11 | 245,362 | 44,476 | 289,838 | 53 | $ | 50.63 | $ | 11.06 | |||||||||||||||||||||||||||||||||||||
1st Gen / Major Repositioning / In-Process Development & Redevelopment Leasing (4) | 4 | — | 208,081 | — | 208,081 | 203 | $ | 321.52 | $ | 19.86 | |||||||||||||||||||||||||||||||||||||
| Total | 27 | 11 | 453,443 | 44,476 | 497,919 | ||||||||||||||||||||||||||||||||||||||||||
| 2nd Gen Leasing Change in Rents | Changes in GAAP Rents (5) | Changes in Cash Rents (6) | |||||||||
| Leases Signed On Space Vacant Less Than or Equal to 12 Months | 19.2 | % | 5.2 | % | |||||||
| All Leases Signed | (10.6) | % | (16.8) | % | |||||||
Retention Rate Calculations | Quarter to Date | |||||||
Retention Rate (7) | 18.5 | % | ||||||
Retention Rate, including subtenants (8) | 33.4 | % | ||||||
| Year of Lease Expiration | Number of Expiring Leases | Total Square Feet | % of Total Leased Sq. Ft. | Annualized Base Rent (in thousands) (3) | % of Total Annualized Base Rent (3) | Annualized Base Rent per Sq. Ft. (3) | ||||||||||||||||||||||||||||||||
| Month-to-Month | 55 | 21,169 | N/A | N/A | N/A | N/A | ||||||||||||||||||||||||||||||||
| Remainder of 2026 | 52 | 741,015 | 5.6 | % | $ | 36,656 | 4.8 | % | $ | 49.47 | ||||||||||||||||||||||||||||
| 2027 | 69 | 1,076,406 | 8.2 | % | 40,685 | 5.3 | % | 37.80 | ||||||||||||||||||||||||||||||
| 2028 | 73 | 1,268,281 | 9.6 | % | 78,270 | 10.2 | % | 61.71 | ||||||||||||||||||||||||||||||
| 2029 | 67 | 1,456,335 | 11.1 | % | 76,254 | 9.9 | % | 52.36 | ||||||||||||||||||||||||||||||
| 2030 | 68 | 1,726,703 | 13.1 | % | 104,294 | 13.6 | % | 60.40 | ||||||||||||||||||||||||||||||
| Thereafter | 168 | 6,888,642 | 52.4 | % | 432,529 | 56.2 | % | 62.79 | ||||||||||||||||||||||||||||||
| Total | 497 | 13,157,382 | 100.0 | % | $ | 768,688 | 100.0 | % | $ | 58.42 | ||||||||||||||||||||||||||||
| Year | Region | Number of Expiring Leases | Total Square Feet | % of Total Leased Sq. Ft. | Annualized Base Rent (in thousands) (3) | % of Total Annualized Base Rent (3) | Annualized Base Rent per Sq. Ft. (3) | |||||||||||||||||||||||||||||||||||||
| 2026 | San Francisco Bay Area | 8 | 215,972 | 1.7 | % | $ | 15,161 | 2.1 | % | $ | 70.20 | |||||||||||||||||||||||||||||||||
Los Angeles | 31 | 334,062 | 2.5 | % | 14,192 | 1.8 | % | 42.48 | ||||||||||||||||||||||||||||||||||||
| Seattle | 9 | 163,443 | 1.2 | % | 6,938 | 0.9 | % | 42.45 | ||||||||||||||||||||||||||||||||||||
| San Diego | 4 | 27,538 | 0.2 | % | 365 | — | % | 13.25 | ||||||||||||||||||||||||||||||||||||
| Austin | — | — | — | % | — | — | % | — | ||||||||||||||||||||||||||||||||||||
| Total | 52 | 741,015 | 5.6 | % | $ | 36,656 | 4.8 | % | $ | 49.47 | ||||||||||||||||||||||||||||||||||
| 2027 | San Francisco Bay Area | 6 | 33,449 | 0.3 | % | $ | 1,596 | 0.2 | % | $ | 47.71 | |||||||||||||||||||||||||||||||||
Los Angeles | 46 | 837,351 | 6.4 | % | 29,829 | 3.9 | % | 35.62 | ||||||||||||||||||||||||||||||||||||
Seattle | 11 | 136,180 | 1.0 | % | 5,676 | 0.7 | % | 41.68 | ||||||||||||||||||||||||||||||||||||
San Diego | 6 | 69,426 | 0.5 | % | 3,584 | 0.5 | % | 51.62 | ||||||||||||||||||||||||||||||||||||
| Austin | — | — | — | % | — | — | % | — | ||||||||||||||||||||||||||||||||||||
| Total | 69 | 1,076,406 | 8.2 | % | $ | 40,685 | 5.3 | % | $ | 37.80 | ||||||||||||||||||||||||||||||||||
| Future Development Pipeline | Location | Approx. Developable Square Feet / Residential Units (1) | Total Costs (2) (in millions) | |||||||||||||||||
| San Francisco Bay Area | ||||||||||||||||||||
| Flower Mart | San Francisco CBD | 2,300,000 | $ | 713.1 | ||||||||||||||||
| Kilroy Oyster Point - Phases 3 and 4 | South San Francisco | 875,000 - 1,000,000 | 254.9 | |||||||||||||||||
1900 Broadway (3) | Other Peninsula | 251,000 | 67.6 | |||||||||||||||||
| Los Angeles | ||||||||||||||||||||
1633 26th Street (4) | West Los Angeles | 190,000 | 16.1 | |||||||||||||||||
| Seattle | ||||||||||||||||||||
| SIX0 | Lake Union / Denny Regrade | 925,000 and 650 units | 201.8 | |||||||||||||||||
| San Diego | ||||||||||||||||||||
Santa Fe Summit (4) | 56 Corridor | 600,000 - 650,000 | 117.4 | |||||||||||||||||
| 2045 Pacific Highway | Little Italy / Point Loma | 275,000 | 61.1 | |||||||||||||||||
| Kilroy East Village | East Village | 1,100 units | 68.0 | |||||||||||||||||
| Austin | ||||||||||||||||||||
| Stadium Tower | Stadium District / Domain | 493,000 | 75.4 | |||||||||||||||||
| TOTAL: | $ | 1,575.4 | ||||||||||||||||||
| Three Months Ended March 31, | ||||||||||||||
| 2026 | 2025 | |||||||||||||
| (in thousands) | ||||||||||||||
| Capitalized Interest | ||||||||||||||
Average Qualifying Costs (1) | $ | 1,255,177 | $ | 1,866,242 | ||||||||||
| Capitalized Interest | $ | 13,991 | $ | 20,548 | ||||||||||
| Other Capitalized Costs | ||||||||||||||
Capitalized Internal Overhead Costs (2) | $ | 3,977 | $ | 4,634 | ||||||||||
Other Capitalized Development Costs (3) | $ | 3,190 | $ | 4,974 | ||||||||||
| Group | # of Buildings | Rentable Square Feet | ||||||||||||
| Same Property Portfolio | 113 | 15,613,635 | ||||||||||||
Re/Development Properties (1) | 5 | 972,226 | ||||||||||||
| Acquisition Properties | 5 | 538,532 | ||||||||||||
Total Stabilized Portfolio (2) | 123 | 17,124,393 | ||||||||||||
| Three Months Ended March 31, | Dollar Change | Percentage Change | |||||||||||||||||||||
| 2026 | 2025 | ||||||||||||||||||||||
| ($ in thousands) | |||||||||||||||||||||||
Reconciliation of Net (Loss) Income Available to Common Stockholders to Net Operating Income, as defined: | |||||||||||||||||||||||
| Net (Loss) Income Available to Common Stockholders | $ | (19,267) | $ | 39,008 | $ | (58,275) | (149.4) | % | |||||||||||||||
| Net (loss) income attributable to noncontrolling common units of the Operating Partnership | (185) | 375 | (560) | (149.3) | % | ||||||||||||||||||
| Net income attributable to noncontrolling interests in consolidated property partnerships | 4,779 | 4,298 | 481 | 11.2 | % | ||||||||||||||||||
| Net (loss) income | $ | (14,673) | $ | 43,681 | $ | (58,354) | (133.6) | % | |||||||||||||||
| Lease termination fees | (398) | (506) | 108 | (21.3) | % | ||||||||||||||||||
| General and administrative expenses | 20,699 | 16,901 | 3,798 | 22.5 | % | ||||||||||||||||||
| Leasing costs | 3,010 | 2,873 | 137 | 4.8 | % | ||||||||||||||||||
| Depreciation and amortization | 94,344 | 87,119 | 7,225 | 8.3 | % | ||||||||||||||||||
| Interest income | (954) | (1,134) | 180 | (15.9) | % | ||||||||||||||||||
| Interest expense | 38,511 | 31,148 | 7,363 | 23.6 | % | ||||||||||||||||||
Other (income) expense | (389) | 157 | (546) | (347.8) | % | ||||||||||||||||||
| Gains on sales of depreciable operating properties | (23,525) | — | (23,525) | (100.0) | % | ||||||||||||||||||
| Impairment of real estate assets | 61,778 | — | 61,778 | 100.0 | % | ||||||||||||||||||
| Net Operating Income | $ | 178,403 | $ | 180,239 | $ | (1,836) | (1.0) | % | |||||||||||||||
| Three Months Ended March 31, | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2026 | 2025 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Same Property | Re/ Develop- ment | Acquisi- tion | Disposi- tion & Held for Sale | Total | Same Property | Re/ Develop- ment | Acquisi- tion | Disposi- tion & Held for Sale | Total | ||||||||||||||||||||||||||||||||||||||||||||||||||
| (in thousands) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Operating revenues: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Rental income | $ | 248,043 | $ | 629 | $ | 9,815 | $ | 6,445 | $ | 264,932 | $ | 243,605 | $ | 155 | $ | — | $ | 21,978 | $ | 265,738 | |||||||||||||||||||||||||||||||||||||||
| Other property income | 3,974 | 316 | 214 | 219 | 4,723 | 3,774 | 256 | — | 570 | 4,600 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Total | 252,017 | 945 | 10,029 | 6,664 | 269,655 | 247,379 | 411 | — | 22,548 | 270,338 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Property and related expenses: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property expenses | 52,257 | 1,640 | 2,758 | 2,628 | 59,283 | 52,151 | 392 | — | 6,171 | 58,714 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Real estate taxes | 23,425 | 2,828 | 1,260 | 1,269 | 28,782 | 24,396 | 802 | — | 3,167 | 28,365 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Ground leases | 3,187 | — | — | — | 3,187 | 3,020 | — | — | — | 3,020 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Total | 78,869 | 4,468 | 4,018 | 3,897 | 91,252 | 79,567 | 1,194 | — | 9,338 | 90,099 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Net Operating Income (Loss) | $ | 173,148 | $ | (3,523) | $ | 6,011 | $ | 2,767 | $ | 178,403 | $ | 167,812 | $ | (783) | $ | — | $ | 13,210 | $ | 180,239 | |||||||||||||||||||||||||||||||||||||||
Three Months Ended March 31, 2026 as compared to the Three Months Ended March 31, 2025 | |||||||||||||||||||||||||||||||||||
| Same Property | Re/Development | Acquisition | Disposition & Held for Sale | Total | |||||||||||||||||||||||||||||||
| Dollar Change | Percent Change | Dollar Change | Dollar Change | Dollar Change | Dollar Change | ||||||||||||||||||||||||||||||
| ($ in thousands) | |||||||||||||||||||||||||||||||||||
| Operating revenues: | |||||||||||||||||||||||||||||||||||
| Rental income | $ | 4,438 | 1.8 | % | $ | 474 | $ | 9,815 | $ | (15,533) | $ | (806) | |||||||||||||||||||||||
| Other property income | 200 | 5.3 | % | 60 | 214 | (351) | 123 | ||||||||||||||||||||||||||||
| Total | 4,638 | 1.9 | % | 534 | 10,029 | (15,884) | (683) | ||||||||||||||||||||||||||||
| Property and related expenses: | |||||||||||||||||||||||||||||||||||
| Property expenses | 106 | 0.2 | % | 1,248 | 2,758 | (3,543) | 569 | ||||||||||||||||||||||||||||
| Real estate taxes | (971) | (4.0) | % | 2,026 | 1,260 | (1,898) | 417 | ||||||||||||||||||||||||||||
| Ground leases | 167 | 5.5 | % | — | — | — | 167 | ||||||||||||||||||||||||||||
| Total | (698) | (0.9) | % | 3,274 | 4,018 | (5,441) | 1,153 | ||||||||||||||||||||||||||||
| Net Operating Income Impact | $ | 5,336 | 3.2 | % | $ | (2,740) | $ | 6,011 | $ | (10,443) | $ | (1,836) | |||||||||||||||||||||||
| Three Months Ended March 31, | |||||||||||||||||||||||
| 2026 | 2025 | Dollar Change | Percentage Change | ||||||||||||||||||||
| ($ in thousands) | |||||||||||||||||||||||
| Gross interest expense | $ | 52,502 | $ | 51,696 | $ | 806 | 1.6 | % | |||||||||||||||
Capitalized interest | (13,991) | (20,548) | 6,557 | (31.9) | % | ||||||||||||||||||
| Interest expense | $ | 38,511 | $ | 31,148 | $ | 7,363 | 23.6 | % | |||||||||||||||
| Average Qualifying Costs | $ | 1,255,177 | $ | 1,866,242 | $ | (611,065) | (32.7) | % | |||||||||||||||
| Weighted Average Interest and Loan Fee Amortization Rate | 4.46 | % | 4.40 | % | 0.06 | % | |||||||||||||||||
| Shares / Units | Aggregate Principal Amount or $ Value Equivalent (in thousands) | % of Total Market Capitalization | |||||||||||||||
Debt: (1) (2) | |||||||||||||||||
2024 Term Loan Facility due 2026 (3) | $ | 200,000 | 2.5 | % | |||||||||||||
Unsecured Senior Notes Series A & B due 2026 (4) | 250,000 | 3.2 | % | ||||||||||||||
| Unsecured Senior Notes Series A & B due 2027 & 2029 | 250,000 | 3.2 | % | ||||||||||||||
| Unsecured Senior Notes due 2031 | 350,000 | 4.4 | % | ||||||||||||||
Unsecured Senior Notes due 2028 (5) | 400,000 | 5.0 | % | ||||||||||||||
| Unsecured Senior Notes due 2029 | 400,000 | 5.0 | % | ||||||||||||||
| Unsecured Senior Notes due 2030 | 500,000 | 6.3 | % | ||||||||||||||
Unsecured Senior Notes due 2032 (5) | 425,000 | 5.4 | % | ||||||||||||||
Unsecured Senior Notes due 2033 (5) | 450,000 | 5.7 | % | ||||||||||||||
| Unsecured Senior Notes due 2035 | 400,000 | 5.0 | % | ||||||||||||||
| Unsecured Senior Notes due 2036 | 400,000 | 5.0 | % | ||||||||||||||
| Secured debt | 598,842 | 7.6 | % | ||||||||||||||
| Total debt | $ | 4,623,842 | 58.3 | % | |||||||||||||
Equity and Noncontrolling Interests in the Operating Partnership: (6) | |||||||||||||||||
Common limited partnership units outstanding (7) | 1,133,562 | $ | 31,978 | 0.4 | % | ||||||||||||
| Shares of common stock outstanding | 116,278,807 | 3,280,225 | 41.3 | % | |||||||||||||
| Total Equity and Noncontrolling Interests in the Operating Partnership | $ | 3,312,203 | 41.7 | % | |||||||||||||
| Total Market Capitalization | $ | 7,936,045 | 100.0 | % | |||||||||||||
| Unsecured Revolving Credit Facility | |||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||
| ($ in thousands) | |||||||||||
| Outstanding borrowings | $ | — | $ | — | |||||||
Remaining borrowing capacity (1) | 1,100,000 | 1,100,000 | |||||||||
Total borrowing capacity (1) | $ | 1,100,000 | $ | 1,100,000 | |||||||
Interest rate (2) | 4.88 | % | 5.07 | % | |||||||
Annual facility fee (3) | 0.25% | ||||||||||
Unamortized deferred financing costs (3) | $ | 8,264 | $ | 9,150 | |||||||
Maturity date (4) | July 31, 2028 | ||||||||||
| 2024 Term Loan Facility | |||||||||||
| March 31, 2026 | December 31, 2025 | ||||||||||
| ($ in thousands) | |||||||||||
Outstanding borrowings (1) | $ | 200,000 | $ | 200,000 | |||||||
Interest rate (2) | 4.97 | % | 5.02 | % | |||||||
Unamortized deferred financing costs (3) | $ | 186 | $ | 277 | |||||||
Maturity date (4) | October 3, 2026 | ||||||||||
Percentage of Total Debt (1) (2) | Weighted Average Interest Rate (1) (2) | ||||||||||||||||||||||
| March 31, 2026 | December 31, 2025 | March 31, 2026 | December 31, 2025 | ||||||||||||||||||||
| Secured vs. unsecured: | |||||||||||||||||||||||
| Unsecured | 87.0 | % | 87.0 | % | 4.1 | % | 4.1 | % | |||||||||||||||
| Secured | 13.0 | % | 13.0 | % | 5.1 | % | 5.1 | % | |||||||||||||||
| Variable-rate vs. fixed-rate: | |||||||||||||||||||||||
| Variable-rate | 4.3 | % | 4.3 | % | 5.0 | % | 5.0 | % | |||||||||||||||
Fixed-rate (3) | 95.7 | % | 95.7 | % | 4.2 | % | 4.2 | % | |||||||||||||||
| Stated rate | 4.3 | % | 4.3 | % | |||||||||||||||||||
Effective rate (3) | 4.5 | % | 4.6 | % | |||||||||||||||||||
| Three Months Ended March 31, | |||||||||||||||||||||||
| 2026 | 2025 | Dollar Change | Percentage Change | ||||||||||||||||||||
| ($ in thousands) | |||||||||||||||||||||||
| Net cash provided by operating activities | $ | 150,695 | $ | 136,921 | $ | 13,774 | 10.1 | % | |||||||||||||||
Net cash provided by (used in) investing activities | 15,048 | (76,660) | 91,708 | (119.6) | % | ||||||||||||||||||
Net cash used in financing activities | (152,155) | (79,240) | (72,915) | 92.0 | % | ||||||||||||||||||
Net increase (decrease) in cash and cash equivalents | $ | 13,588 | $ | (18,979) | $ | 32,567 | (171.6) | % | |||||||||||||||
| Three Months Ended March 31, | |||||||||||
| 2026 | 2025 | ||||||||||
| (in thousands) | |||||||||||
Net (loss) income available to common stockholders | $ | (19,267) | $ | 39,008 | |||||||
| Adjustments: | |||||||||||
Net (loss) income attributable to noncontrolling common units of the Operating Partnership | (185) | 375 | |||||||||
| Net income attributable to noncontrolling interests in consolidated property partnerships | 4,779 | 4,298 | |||||||||
| Depreciation and amortization of real estate assets | 92,885 | 85,735 | |||||||||
| Gains on sales of depreciable operating properties | (23,525) | — | |||||||||
| Impairment of real estate assets | 61,778 | — | |||||||||
| Funds From Operations attributable to noncontrolling interests in consolidated property partnerships | (7,619) | (7,106) | |||||||||
Funds From Operations (1) (2) | $ | 108,846 | $ | 122,310 | |||||||
| Period | Total Number of Shares of Stock Purchased | Weighted Average Price Paid per Share | Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs | Maximum Number (or Approximate Dollar Value) that May Yet be Purchased Under the Plans or Programs (in thousands) | ||||||||||||||||||||||
| January 1, 2026 - January 31, 2026 | — | $ | — | — | $ | — | ||||||||||||||||||||
| February 1, 2026 - February 28, 2026 | 1,754,044 | 31.35 | 1,754,044 | 444,974 | ||||||||||||||||||||||
| March 1, 2026 - March 31, 2026 | 603,695 | 29.21 | 603,695 | 427,329 | ||||||||||||||||||||||
| Total | 2,357,739 | $ | 30.80 | 2,357,739 | $ | 427,329 | ||||||||||||||||||||
| Exhibit Number | Description | |||||||
| 3.(i)1 | ||||||||
| 3.(i)2 | ||||||||
| 3.(i)3 | ||||||||
| 3.(ii)1 | Ninth Amended and Restated Bylaws of Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on June 4, 2024) | |||||||
| 3.(ii)2 | ||||||||
| 31.1* | ||||||||
| 31.2* | ||||||||
| 31.3* | ||||||||
| 31.4* | ||||||||
| 32.1* | ||||||||
| 32.2* | ||||||||
| 32.3* | ||||||||
| 32.4* | ||||||||
| 101.1 | The following Kilroy Realty Corporation and Kilroy Realty, L.P. financial information for the quarter ended March 31, 2026, formatted in inline XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets (unaudited), (ii) Consolidated Statements of Operations (unaudited), (iii) Consolidated Statements of Equity (unaudited), (iv) Consolidated Statements of Capital (unaudited), (v) Consolidated Statements of Cash Flows (unaudited) and (vi) Notes to the Consolidated Financial Statements (unaudited).(1) | |||||||
| 104.1* | Cover Page Interactive Data File - The cover page interactive data file does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document. | |||||||
| * | Filed herewith. | ||||
| † | Management contract or compensatory plan or arrangement. | ||||
| (1) | Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933 or Section 18 of the Securities Exchange Act of 1934 and otherwise are not subject to liability under these sections. | ||||
| KILROY REALTY CORPORATION | ||||||||
| By: | /s/ Angela M. Aman | |||||||
| Angela M. Aman Chief Executive Officer (Principal Executive Officer) | ||||||||
| By: | /s/ Jeffrey R. Kuehling | |||||||
Jeffrey R. Kuehling Executive Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer) | ||||||||
| By: | /s/ Chandni Jalan | |||||||
| Chandni Jalan Senior Vice President, Chief Accounting Officer (Principal Accounting Officer) | ||||||||
| KILROY REALTY, L.P. | ||||||||
| BY: KILROY REALTY CORPORATION | ||||||||
| Its general partner | ||||||||
| By: | /s/ Angela M. Aman | |||||||
| Angela M. Aman Chief Executive Officer (Principal Executive Officer) | ||||||||
| By: | /s/ Jeffrey R. Kuehling | |||||||
Jeffrey R. Kuehling Executive Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer) | ||||||||
| By: | /s/ Chandni Jalan | |||||||
| Chandni Jalan Senior Vice President, Chief Accounting Officer (Principal Accounting Officer) | ||||||||
| /s/ Angela M. Aman | ||
| Angela M. Aman | ||
| Chief Executive Officer | ||
| /s/ Jeffrey R. Kuehling | ||
| Jeffrey R. Kuehling | ||
| Executive Vice President, Chief Financial Officer and Treasurer | ||
| /s/ Angela M. Aman | ||
| Angela M. Aman | ||
| Chief Executive Officer | ||
Kilroy Realty Corporation, sole general partner of Kilroy Realty, L.P. | ||
| /s/ Jeffrey R. Kuehling | ||
| Jeffrey R. Kuehling | ||
| Executive Vice President, Chief Financial Officer and Treasurer | ||
Kilroy Realty Corporation, sole general partner of Kilroy Realty, L.P. | ||
| /s/ Angela M. Aman | |||||
| Angela M. Aman | |||||
| Chief Executive Officer | |||||
| Date: | April 28, 2026 | ||||
| /s/ Jeffrey R. Kuehling | |||||
| Jeffrey R. Kuehling | |||||
| Executive Vice President, Chief Financial Officer and Treasurer | |||||
| Date: | April 28, 2026 | ||||
| /s/ Angela M. Aman | |||||
| Angela M. Aman | |||||
| Chief Executive Officer | |||||
Kilroy Realty Corporation, sole general partner of Kilroy Realty, L.P. | |||||
| Date: | April 28, 2026 | ||||
| /s/ Jeffrey R. Kuehling | |||||
| Jeffrey R. Kuehling | |||||
| Executive Vice President, Chief Financial Officer and Treasurer | |||||
Kilroy Realty Corporation, sole general partner of Kilroy Realty, L.P. | |||||
| Date: | April 28, 2026 | ||||