PHILADELPHIA, May 17, 2023 (GLOBE NEWSWIRE) -- Cabaletta Bio, Inc. (“Cabaletta” or the “Company”) (Nasdaq: CABA), a clinical-stage biotechnology company focused on developing and launching the first curative targeted cell therapies for patients with autoimmune diseases, announced today that it has commenced an underwritten public offering of its common stock. All of the shares are being offered by Cabaletta. In addition, Cabaletta intends to grant the underwriters a 30-day option to purchase up to an additional 15% of the number of shares of its common stock offered in the public offering. The proposed offering is subject to market and other conditions, and 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.

TD Cowen, Evercore ISI and Guggenheim Securities are acting as joint book-running managers for the proposed offering.

The shares of common stock are being offered by Cabaletta pursuant a registration statement on Form S-3 that was previously filed with, and subsequently declared effective on April 26, 2023 by, the Securities and Exchange Commission (“SEC”). A preliminary prospectus supplement and accompanying prospectus relating to and describing the terms of the offering will be filed with the SEC and may be obtained, when available, from: Cowen and Company, LLC, 599 Lexington Avenue, New York, NY 10022, by email at This email address is being protected from spambots. You need JavaScript enabled to view it. or by telephone at (833) 297-2926, Evercore Group L.L.C., Attention: Equity Capital Markets, 55 East 52nd Street, 35th Floor, New York, New York 10055; by telephone at (888) 474-0200, or by email at This email address is being protected from spambots. You need JavaScript enabled to view it. or Guggenheim Securities, LLC Attention: Equity Syndicate Department, 330 Madison Avenue, New York, NY 10017 by telephone at (212) 518-9544, or by email at This email address is being protected from spambots. You need JavaScript enabled to view it..

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 Cabaletta Bio

Cabaletta Bio (Nasdaq: CABA) is a clinical-stage biotechnology company focused on the discovery and development of engineered T cell therapies that have the potential to provide a deep and durable treatment for patients with autoimmune diseases. The CABA™ platform encompasses two strategies: the CARTA (chimeric antigen receptor T cells for autoimmunity) strategy, with CABA-201, a 4-1BB-containing fully human CD19-CAR T, as the lead product candidate being evaluated in systemic lupus erythematosus and myositis, and the CAART (chimeric autoantibody receptor T cells) strategy, with multiple clinical-stage candidates, including DSG3-CAART for mucosal pemphigus vulgaris and MuSK-CAART for MuSK myasthenia gravis.

Forward-Looking Statements

This press release contains "forward-looking statements" of Cabaletta within the meaning of the Private Securities Litigation Reform Act of 1995, including without limitation, statements related to the anticipated public offering of shares and the potential for Cabaletta’s engineered T cell therapies to provide a deep and durable treatment for patients with autoimmune diseases. These forward-looking statements include, but are not limited to, those relating to Cabaletta’s expectations regarding the completion, timing and size of the public offering and its expectations with respect to granting the underwriters a 30-day option to purchase additional shares. Any forward-looking statements in this press release are based on management’s current expectations and beliefs of future events, and are subject to a number of risks and uncertainties that could cause actual results to differ materially and adversely from those set forth in or implied by such forward-looking statements. These risks and uncertainties related to completion of the proposed public offering on the anticipated terms, or at all, include, but are not limited to, market conditions and the satisfaction of customary closing conditions related to the proposed public offering. For a discussion of these and other risks and uncertainties, and other important factors, any of which could cause Cabaletta’s actual results to differ from those contained in the forward-looking statements, see the section entitled “Risk Factors” in Cabaletta’s most recent annual report on Form 10-K filed on March 16, 2023 and our subsequent quarterly reports on Form 10-Q and current reports on Form 8-K filed with the SEC, as well as discussions of potential risks, uncertainties, and other important factors in Cabaletta’s other filings with the SEC, including those contained or incorporated by reference in the preliminary prospectus supplement related to the proposed public offering to be filed with the SEC.

Contacts:

Anup Marda
Chief Financial Officer
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Sarah McCabe
Stern Investor Relations, Inc.
212-362-1200
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