Lexeo Therapeutics, Inc.
Business
Lexeo Therapeutics, Inc. is a clinical-stage genetic medicine company developing gene therapies to treat cardiovascular and other genetically driven diseases. It develops AAVrh10-based gene therapy product candidates designed to deliver functional genes to myocardial or CNS tissue, including candidates targeting Friedreich ataxia cardiomyopathy, PKP2-associated arrhythmogenic cardiomyopathy, connexin 43 and TNNI3-related cardiomyopathies, and APOE4-associated Alzheimer’s disease. Its business is organized around cardiovascular and neurodegenerative development programs and a unified manufacturing platform. It conducts clinical trials and advances programs through academic collaborations and global regulatory pathways.
Summary from filing dated 2025-03-24
Financials
Consolidated Statement of Income
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 |
|---|---|---|---|---|---|
| Research and development expenses | 64 | 74 | 53 | 49 | |
| General and administrative | 45 | 32 | 15 | 12 | |
| Total operating expenses | 109 | 106 | 69 | 61 | |
| Operating loss | −109 | −106 | −69 | −61 | |
| Gain on long-term investment | 3 | 0 | — | — | |
| Other expense, net | −18,000 | −9,000 | −13,000 | −2,000 | |
| Interest expense | −95,000 | −137,000 | −205,000 | — | |
| Interest income | 6 | 8 | 3 | 1 | |
| (Amortization of premium) accretion of discount on investments in U.S. Treasury securities, net | −111,000 | 23,000 | — | — | |
| Total other income and expense | 9 | 7 | 2 | 1 | |
| Loss from operations before income taxes | −100 | −98 | — | — | |
| Income taxes | 0 | 0 | — | — | |
| Net loss | −100 | −98 | −66 | −59 | |
| Net unrealized gain (loss) on investments | 291,000 | −103,000 | — | — | |
| Total other comprehensive gain (loss) | 291,000 | −103,000 | — | — | |
| Comprehensive loss | −100 | −98 | −66 | — | |
| Net loss per common share, basic | −1.86 | −3.09 | −12.4 | −36.36 | |
| Net loss per common share, diluted | −1.86 | −3.09 | −12.4 | −36.36 | |
| Weighted average number of shares outstanding used in computation of net loss per common share, basic | 54 | 32 | 5 | 2 | |
| Weighted average number of shares outstanding used in computation of net loss per common share, diluted | 54 | 32 | 5 | 2 |
Consolidated Balance Sheet
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Cash and cash equivalents | 63 | 35 | 121 | 77 | 136 | |
| Current portion of investments in U.S. Treasury securities | 119 | 87 | — | — | — | |
| Prepaid expenses and other current assets | 7 | 5 | 3 | — | — | |
| Total current assets | 188 | 126 | 124 | 80 | — | |
| Non-current portion of investments in U.S. Treasury securities | 65 | 7 | — | — | — | |
| Long-term investment | 3 | 0 | — | — | — | |
| Restricted cash | 3 | 3 | 3 | 3 | — | |
| Property and equipment, net | 1 | 1 | 1 | 998,000 | — | |
| Lease right-of-use assets - finance | 1 | 1 | 2 | 2 | — | |
| Lease right-of-use assets - operating | 7 | 8 | 9 | 11 | — | |
| Total assets | 269 | 147 | 140 | 97 | — | |
| Accounts payable | 5 | 6 | 4 | 3 | — | |
| Accrued expenses and other current liabilities | 9 | 14 | 11 | 6 | — | |
| Current portion of lease liabilities - finance | 518,000 | 570,000 | 518,000 | 547,000 | — | |
| Current portion of lease liabilities - operating | 2 | 2 | 2 | 2 | — | |
| Total current liabilities | 17 | 23 | 17 | 14 | — | |
| Non-current portion of lease liabilities - finance | 327,000 | 817,000 | 1 | 2 | — | |
| Non-current portion of lease liabilities - operating | 5 | 6 | 8 | 9 | — | |
| Total liabilities | 22 | 30 | 26 | 25 | — | |
| Commitments and contingencies (Note 11) | — | — | — | — | — | |
| Common stock, $0.0001 par value, 500,000,000 shares authorized as of December 31, 2025; 73,001,766 shares issued and 73,001,350 shares outstanding as of December 31, 2025; 500,000,000 shares authorized as of December 31, 2024; 33,079,209 shares issued and 33,071,261 shares outstanding as of December 31, 2024 | 7,000 | 3,000 | 3,000 | 0 | — | |
| Treasury stock, at cost, 3,827 common shares as of December 31, 2025 and as of December 31, 2024 | −17,000 | −17,000 | — | — | — | |
| Additional paid-in capital | 627 | 397 | 295 | 2 | — | |
| Accumulated other comprehensive gain (loss) | 188,000 | −103,000 | — | — | — | |
| Accumulated deficit | −380 | −280 | −182 | −115 | — | |
| Total stockholders' equity | 247 | 117 | 114 | −113 | −56 | |
| Total liabilities and stockholders' equity | 269 | 147 | 140 | 97 | — |
Consolidated Statement of Cash Flows
| Concept | Trend | FY 2025 2025-12-31 | FY 2024 2024-12-31 | FY 2023 2023-12-31 | FY 2022 2022-12-31 |
|---|---|---|---|---|---|
| Reduction in the carrying amount of ROU assets, operating | 1 | 1 | 1 | 877,000 | |
| Reduction in the carrying amount of ROU assets, finance | 320,000 | 325,000 | 306,000 | 148,000 | |
| Stock based compensation expense | 12 | 12 | 3 | 2 | |
| Depreciation and amortization expense | 268,000 | 304,000 | 271,000 | 120,000 | |
| Non-cash gain on long-term investment | −3 | — | — | — | |
| Net realized gain on investments in U.S. Treasury securities | −17,000 | — | — | — | |
| Amortization of premium (accretion of discount) on investments in U.S. Treasury securities | 111,000 | −23,000 | — | — | |
| Prepaid expenses and other current assets | −2 | −2 | 990,000 | −2 | |
| Accounts payable | −2 | 2 | −180,000 | −426,000 | |
| Accrued expenses and other current liabilities | −4 | 3 | 2 | 4 | |
| Lease liabilities, operating | −1 | −1 | −1 | −298,000 | |
| Lease liabilities, finance | −9,000 | 10,000 | −5,000 | −6,000 | |
| Net cash used in operating activities | −99 | −81 | −59 | −55 | |
| Purchase of property and equipment | −397,000 | −481,000 | −115,000 | −672,000 | |
| Purchases of investments | −195 | −94 | — | — | |
| Proceeds from sales or maturities of investments | 106 | — | — | — | |
| Net cash used in investing activities | −90 | −94 | −165,000 | −901,000 | |
| Proceeds from exercise of stock options | 59,000 | 491,000 | 51,000 | 332,000 | |
| Payments on finance leases | −533,000 | −410,000 | −425,000 | −163,000 | |
| Treasury stock repurchases | — | −17,000 | — | — | |
| Proceeds from common stock issuances under 2023 ESPP | 270,000 | — | — | — | |
| Proceeds from issuance of common stock upon private placement offering, net of commissions and offering costs | — | 95 | — | — | |
| Proceeds from issuance of common stock, pre-funded warrants and warrants to purchase common stock upon May 2025 Private Placement | 80 | — | 100 | — | |
| Proceeds from issuance of common stock and pre-funded warrants to purchase common stock upon October 2025 Financing Transactions | 154 | — | — | — | |
| Third-party commissions and offering costs incurred upon October 2025 Financing Transactions | −10 | — | — | — | |
| Net cash provided by financing activities | 217 | 89 | 104 | 189,000 | |
| Net change in cash, cash equivalents and restricted cash | 28 | −86 | 44 | −55 | |
| Interest paid | 104,000 | 127,000 | 176,000 | 77,000 | |
| Reclassification of internal use software into prepaid expenses | 18,000 | 98,000 | — | — | |
| (Property and equipment purchased in the prior period and paid in the current period), net of property and equipment purchased in the current period included in accounts payable | — | 120,000 | 141,000 | — | |
| Finance lease right-of use assets and finance lease liabilities recognized | — | 22,000 | — | 2 | |
| Amounts reclassified from deposit liabilities upon the vesting of early-exercised stock options previously subject to repurchase, net of proceeds received from early exercise of unvested stock options subject to repurchase and recorded as deposit liabilities | 37,000 | 59,000 | 87,000 | −188,000 | |
| Unpaid offering costs included in accounts payable and accrued expenses | 25,000 | — | — | — |