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Organization and Nature of Operations | 12 Months Ended
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Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Organization and Nature of Operations | Organization and Nature of Operations MacroGenics, Inc. (the Company) is incorporated in the state of Delaware. The Company is a clinical-stage biopharmaceutical company focused on discovering, developing, manufacturing and commercializing innovative antibody-based therapeutics for the treatment of cancer. The Company generates its pipeline of product candidates from its proprietary suite of antibody technology platforms. The Company is currently developing therapeutics utilizing multiple modalities, including antibody-drug conjugates (ADCs) and multi-specific antibodies (which is referred to as DART and TRIDENT molecules). The combination of the Company’s technology platforms and antibody engineering expertise has allowed the Company to generate promising product candidates – three of which have received marketing approval by the U.S. Food and Drug Administration (FDA) – and to enter into several strategic collaborations with global biopharmaceutical companies. These collaborations have provided the Company with over $1.4 billion of non-dilutive funding since its inception in 2000, and have enabled the Company to leverage the additional expertise of its collaborators to advance the development of multiple partnered product candidates. In addition, the Company operates a 5 × 2,000 liter commercial-scale cGMP antibody manufacturing facility in its Maryland headquarters to support its clinical programs. The Company also provides outsourced contract development and manufacturing services to its collaborators and other third parties for commercial and clinical products to offset a portion of the operating costs of this facility. The Company is currently advancing three proprietary product candidates in clinical development: lorigerlimab, a bispecific DART molecule that targets checkpoint inhibitors PD-1 and CTLA-4; MGC026, an ADC that targets B7-H3 and delivers a novel topoisomerase I inhibitor (TOP1i)-based linker-payload, and MGC028, an ADC that targets ADAM9 and delivers a novel TOP1i-based linker-payload. The Company is also actively developing multiple preclinical-stage ADC and next generation T-cell engager programs. The Company and its partners are developing or commercializing product candidates for which the Company retain certain economic rights. These include three products approved by the FDA: MARGENZA® (margetuximab-cmkb), an anti-HER2 monoclonal antibody (mAb) that the Company recently sold to a partner, ZYNYZ® (retifanlimab-dlwr), an anti-PD-1 mAb that the Company out-licensed; and TZIELD® (teplizumab-mzwv), an anti-CD3 mAb that the Company sold to a partner. The Company is also collaborating with Gilead Sciences, Inc. (Gilead) on the development of MGD024, a bispecific DART antibody targeting CD123 and CD3 that utilizes its next-generation T-cell engager technology, as well as two additional undisclosed pre-clinical DART development programs. Liquidity The Company’s multiple product candidates currently under development will require significant additional research and development efforts that include extensive preclinical studies and clinical testing, and regulatory approval prior to commercial use. The future success of the Company is dependent on its ability to identify and develop its product candidates, and ultimately upon its ability to attain profitable operations. The Company has devoted substantially all of its financial resources and efforts to research and development and general and administrative expense to support such research and development. Net losses and negative cash flows have had, and will continue to have, an adverse effect on the Company’s stockholders’ equity and working capital, and accordingly, its ability to execute its future operating plans. As a biotechnology company, the Company has primarily funded its operations with proceeds from the sale of its common stock in equity offerings and revenue from its multiple collaboration agreements. Management regularly reviews the Company’s available liquidity relative to its operating budget and forecast to monitor the sufficiency of the Company’s working capital. The Company plans to meet its future operating requirements by generating revenue from current and future strategic collaborations or other arrangements and royalties. The Company anticipates continuing to draw upon available sources of capital, including equity and debt instruments, to support its product development activities. If the Company is unable to enter into new arrangements or to perform under current or future agreements or obtain additional capital, the Company will assess its capital resources and may be required to delay, reduce the scope of, or eliminate one or more of its product research and development programs or clinical studies, reduce other operating expenses, and/or downsize its organization. Based on the Company’s most recent cash flow forecast, the Company believes its current resources are sufficient to fund its operating plans for a minimum of twelve months from the date that this Annual Report on Form 10-K was filed. Similar to the other risk factors pertinent to the Company's business, including significant equity market volatility and availability of funding in the biotechnology sector, as well as potential issues in the global economy, credit markets and financial markets as a result of significant worldwide events, including inflation, fluctuating interest rates and geopolitical upheaval, might unfavorably impact the Company's ability to generate such additional funding. Given the uncertainty in the rapidly changing market and economic conditions related to these uncertainties, the Company will continue to evaluate the nature and extent of the impact of these uncertainties on its business and financial position.

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