MaxCyte, Inc. (the “Company” or “MaxCyte”) was incorporated as a majority owned subsidiary of EntreMed, Inc. (“EntreMed”) on July 31, 1998, under the laws and provisions of the state of Delaware and commenced operations on July 1, 1999. In November 2002, MaxCyte was recapitalized and EntreMed was no longer deemed to control the Company.

MaxCyte is a global life sciences company focused on advancing the discovery, development, and commercialization of next-generation cell therapies. MaxCyte leverages its proprietary cell engineering technology platform to enable the programs of its biotechnology and pharmaceutical company customers who are engaged in cell therapy, including gene editing and immuno-oncology, as well as in drug and biologic discovery and development and biomanufacturing. The Company licenses and sells its instruments and technology and sells its consumables to developers of cell therapies and to pharmaceutical and biotechnology companies for use in drug and biologic discovery and development and biomanufacturing.

The Company’s registration statement on Form S-1 related to its initial public offering of common stock in the United States (the “IPO”) was declared effective on July 29, 2021, and the Company’s common stock began trading on the Nasdaq Global Select Market on July 30, 2021. On August 3, 2021, the Company issued and sold 15,525,000 shares of common stock in the IPO at a price to the public of $13.00 per share, inclusive of 2,025,000 shares issued pursuant to the full exercise of the underwriters’ option to purchase additional shares. The IPO generated gross proceeds to the Company of $201,825. The Company received aggregate net proceeds of $184,268 from the IPO after deducting aggregate underwriting commissions and offering costs of $17,557.