Rallybio Corp
Business
Rallybio Corp is a clinical-stage biotechnology company that develops and advances therapeutics for severe and rare diseases. It offers a pipeline of biologic and small-molecule product candidates, including RLYB212 (an anti‑HPA‑1a antibody for prevention of FNAIT), RLYB116 (a subcutaneous C5 inhibitor Affibody), RLYB332 (MTP‑2 inhibitor for iron overload) and ENPP1 small‑molecule programs. Its activities are organized around therapeutic areas—maternal‑fetal health, complement dysregulation, hematology and metabolic disorders—and collaborations, licensing and joint‑venture discovery projects. Rallybio conducts multinational clinical studies and relies on third‑party contract manufacturers, partners and collaborators to develop, supply and potentially commercialize its products globally, with trial sites and market focus in North America, Europe and Australia.
Summary from filing dated 2025-03-13
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 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Total revenue | 858,000 | 636,000 | — | — | — | |
| Research and development | 20 | 42 | 54 | 41 | 27 | |
| General and administrative | 14 | 20 | 25 | 27 | 19 | |
| Total operating expenses | 34 | 61 | 79 | 68 | 46 | |
| Loss from operations | −33 | −60 | −79 | −68 | −46 | |
| Interest income | 2 | 4 | 6 | 2 | 54,000 | |
| Gain on sale of joint venture and other income | 23 | 744,000 | 262,000 | 342,000 | 96,000 | |
| Total other income, net | 25 | 5 | 6 | 2 | 140,000 | |
| Loss before equity in losses of joint venture | −8 | −56 | −73 | −66 | — | |
| Loss on investment in joint venture | 874,000 | 2 | 2 | 1 | 2 | |
| Net loss | −9 | −58 | −75 | −67 | −47 | |
| Net loss per common share, basic (in dollars per share) | −1.59 | −10.61 | −1.84 | −2.09 | −1.84 | |
| Net loss per common share, diluted (in dollars per share) | −1.59 | −10.61 | −1.84 | −2.09 | −1.84 | |
| Weighted-average common shares outstanding, basic (in shares) | 6 | 5 | 40 | 32 | 26 | |
| Weighted-average common shares outstanding, diluted (in shares) | 6 | 5 | 40 | 32 | 26 | |
| Net unrealized (loss) gain on marketable securities | −50,000 | 53,000 | 229,000 | −214,000 | 0 | |
| Other comprehensive (loss) gain | −50,000 | 53,000 | 229,000 | −214,000 | 0 | |
| Comprehensive loss | −9 | −58 | −74 | −67 | −47 |
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 | 31 | 14 | 24 | 57 | 175 | |
| Marketable securities | 23 | 52 | 85 | 112 | 0 | |
| Prepaid expenses and other current assets | 7 | 2 | 5 | 11 | 6 | |
| Total current assets | 61 | 68 | 115 | 179 | 181 | |
| Property and equipment, net | 23,000 | 115,000 | 246,000 | 385,000 | 511,000 | |
| Operating lease right-of-use assets | 175,000 | 152,000 | 346,000 | 524,000 | 700,000 | |
| Other assets, noncurrent | 810,000 | 0 | — | — | — | |
| Total assets | 62 | 68 | 116 | 180 | 182 | |
| Accounts payable | 126,000 | 278,000 | 976,000 | 1 | 603,000 | |
| Accrued expenses | 4 | 5 | 8 | 9 | 6 | |
| Operating lease liabilities | 94,000 | 154,000 | 219,000 | 181,000 | 0 | |
| Deferred revenue | 212,000 | 848,000 | 0 | — | — | |
| Total current liabilities | 4 | 6 | 9 | 11 | 7 | |
| Operating lease liabilities, noncurrent | 82,000 | 0 | 173,000 | 374,000 | 0 | |
| Deferred revenue, noncurrent | 0 | 212,000 | 0 | — | — | |
| Total liabilities | 4 | 6 | 9 | 11 | 7 | |
| Commitments and contingencies (Note 10) | — | — | — | — | — | |
| Common stock, $0.0001 par value per share; 200,000,000 shares authorized as of December 31, 2025 and 2024; and 5,283,321 and 5,188,743 shares issued and outstanding as of December 31, 2025 and 2024, respectively | 4,000 | 4,000 | 4,000 | 4,000 | 3,000 | |
| Preferred stock, $0.0001 par value per share; 50,000,000 shares authorized as of December 31, 2025 and 2024; no shares issued or outstanding as of December 31, 2025 and 2024 | 0 | 0 | 0 | 0 | 0 | |
| Additional paid-in capital | 360 | 355 | 341 | 330 | 270 | |
| Accumulated other comprehensive gain | 18,000 | 68,000 | 15,000 | −214,000 | 0 | |
| Accumulated deficit | −302 | −293 | −235 | −161 | −94 | |
| Total stockholders' equity | 58 | 62 | 106 | 169 | 176 | |
| Total liabilities and stockholders' equity | 62 | 68 | 116 | 180 | 182 |
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 | FY 2021 2021-12-31 |
|---|---|---|---|---|---|---|
| Depreciation and amortization | 92,000 | 131,000 | 150,000 | 167,000 | 109,000 | |
| Net accretion of discounts/premiums on debt securities | −573,000 | −2 | −3 | −435,000 | 0 | |
| Share-based compensation | 5 | 8 | 11 | 9 | 4 | |
| Gain on sale of joint venture | −22 | 0 | — | — | — | |
| Prepaid expenses, operating right-of-use assets and other current assets | −2 | 3 | 6 | −5 | −5 | |
| Accounts payable | −152,000 | −698,000 | −99,000 | 487,000 | −976,000 | |
| Accrued expenses and operating lease liabilities | −1 | −3 | −1 | 3 | 2 | |
| Deferred revenue | −848,000 | 1 | 0 | — | — | |
| Net cash used in operating activities | −30 | −49 | −60 | −57 | −46 | |
| Purchases of marketable securities | −18 | −49 | −108 | −201 | 0 | |
| Proceeds from maturities of marketable securities | 46 | 84 | 138 | 90 | 0 | |
| Proceeds from sale of common stock received from sale of joint venture | 20 | 0 | — | — | — | |
| Investment in joint venture | −2 | −2 | −2 | −300,000 | −2 | |
| Net cash provided by investing activities | 47 | 33 | 28 | −112 | −2 | |
| Proceeds from the issuance of common stock from a securities purchase agreement | 0 | 5 | 0 | — | 0 | |
| Proceeds from the issuance of common stock under the stock purchase plan | 16,000 | 62,000 | 282,000 | 217,000 | 0 | |
| Payments of offering costs | 0 | −268,000 | −139,000 | −693,000 | −3 | |
| Net cash provided by financing activities | 16,000 | 5 | 143,000 | 51 | 83 | |
| Net increase (decrease) in cash and cash equivalents | 17 | −11 | −32 | −118 | — |