On September 24, 2026 ADARx Pharmaceuticals, Inc. (ADARx), a late-stage clinical biotechnology company developing next-generation siRNA therapeutics, reported the pricing of its upsized initial public offering of 26,250,000 shares of common stock at a price to the public of $17.00 per share. All of the shares of common stock are being offered by ADARx. The gross proceeds to ADARx from the offering, before deducting underwriting discounts and commissions and offering expenses payable by ADARx, are expected to be approximately $446.3 million. In addition, the underwriters have a 30-day option to purchase up to an additional 3,937,500 shares of common stock at the public offering price, less underwriting discounts and commissions.

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The shares are expected to begin trading on The Nasdaq Global Select Market on September 25, 2026, under the ticker symbol "ADRX." The offering is expected to close on September 28, 2026, subject to the satisfaction of customary closing conditions.

J.P. Morgan, Morgan Stanley, TD Cowen and UBS Investment Bank are acting as lead book-running managers for the offering. LifeSci Capital is acting as a book-running manager for the offering.

Registration statements relating to these securities have been filed with the U.S. Securities and Exchange Commission (SEC) and became effective on September 24, 2026. Copies of the registration statements can be accessed through the SEC’s website at www.sec.gov. This offering is being made only by means of a prospectus forming part of the registration statements relating to these securities. When available, copies of the final prospectus relating to the initial public offering may be obtained from: J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 or by email at [email protected] and [email protected]; Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014, by telephone at 1-866-718-1649, or by email at [email protected]; TD Securities (USA) LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 or by email at [email protected]; or UBS Securities LLC, Attention: Equity Syndicate, 11 Madison Avenue, New York, NY 10010 or by email at [email protected].

In addition, AbbVie has agreed to purchase, in a concurrent private placement exempt from the registration requirements of the Securities Act of 1933, as amended (the Securities Act), a number of shares of ADARx’s common stock that would result in AbbVie owning approximately 4.9% of ADARx’s outstanding shares of common stock following the closing of the initial public offering and the concurrent private placement, at a price of $17.00 per share; provided, however, that in no event would AbbVie purchase more than $100.0 million in shares of common stock. The aggregate gross proceeds to ADARx from the initial public offering and the concurrent private placement, before deducting underwriting discounts and commissions, placement agent fees and other offering and private placement expenses payable by ADARx, are expected to be approximately $535.2 million, excluding any exercise of the underwriters’ option to purchase additional shares of common stock. The concurrent private placement is also scheduled to close on September 28, 2026, subject to the satisfaction of customary closing conditions. The closing of the concurrent private placement is contingent and conditioned upon consummation of the initial public offering. However, the closing of the initial public offering is not contingent on the consummation of the concurrent private placement.

This press release does 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 the registration or qualification under the securities laws of any such state or jurisdiction. Any offers, solicitations or offers to buy, or any sales of securities will be made in accordance with the registration requirements of the Securities Act.

(Press release, ADARx Pharmaceuticals, SEP 24, 2026, View Source [SID1234671066])