Exhibit 99.1
Kaleido Biosciences Announces Proposed Public Offering of Common Stock
LEXINGTON, Mass., June 1, 2020 – Kaleido Biosciences, Inc. (Nasdaq: KLDO), a clinical-stage healthcare company with a chemistry-driven approach to targeting the microbiome to treat disease and improve human health, today announced that it intends to sell, subject to market and other conditions, $30 million of shares of its common stock in an underwritten public offering. Kaleido also intends to grant the underwriters a30-day option to purchase an additional $4.5 million of shares of its common stock offered in the public offering. There can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering. All of the shares in the proposed offering are to be sold by Kaleido.
Morgan Stanley is acting as sole book-running manager for the offering. Canaccord Genuity is acting as lead manager for the offering.
Kaleido intends to use the net proceeds from the offering, in addition to its existing cash resources, to fund its continued research and development activities, including the ongoing clinical program of KB109 in patients withmild-to-moderateCOVID-19, the ongoing Phase 2 clinical trial of KB195 in patients with urea cycle disorders, and the planned clinical study of KB295 in patients withmild-to-moderate ulcerative colitis, to fund any other research and development activities that relate to its current and future clinical and preclinical activities, and the remainder for planned general and administrative expenses, working capital and other general corporate purposes.
The securities described above are being offered by Kaleido pursuant to a shelf registration statement on FormS-3 (No.333-236804), including a base prospectus. The securities will be offered only by means of a prospectus. A preliminary prospectus supplement and accompanying prospectus relating to the offering will be filed with the SEC and will be available on the SEC’s website located atwww.sec.gov. Copies of the preliminary prospectus supplement and the accompanying prospectus may also be obtained, when available, from: Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, New York 10014.
This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.
About Kaleido Biosciences
Kaleido Biosciences is a clinical-stage healthcare company with a differentiated, chemistry-driven approach to targeting the microbiome to treat disease and improve human health. The Company has built a product platform to enable the rapid and cost-efficient discovery and development of novel Microbiome Metabolic Therapies (MMT™). MMTs are designed to modulate the metabolic output and profile of the microbiome by driving the function and distribution of the gut’s existing microbes. Kaleido is advancing a broad pipeline of MMT candidates with the potential to address a variety of diseases and conditions with significant unmet patient needs.
