Syndax Announces Closing of Public Offering and Exercise in Full of the Underwriters' Option to Purchase Additional Shares

WALTHAM, Mass, Dec. 11, 2020 /PRNewswire/ -- Syndax Pharmaceuticals, Inc. ("Syndax," the "Company" or "we") (Nasdaq: SNDX), a clinical stage biopharmaceutical company developing an innovative pipeline of cancer therapies, today announced the closing of its previously announced underwritten public offering of 6,250,000 shares of its common stock, which includes the exercise in full of the underwriters' option to purchase 815,217 additional shares, at a price to the public of $23.00 per share. The gross proceeds to Syndax from this offering, before deducting underwriting discounts and commissions and estimated offering expenses, were approximately $143.8 million.

Goldman Sachs & Co. LLC, Citigroup and Cowen acted as joint book-running managers for the offering. BTIG acted as lead manager for the offering. Baird acted as co-manager for the offering.

The shares were offered pursuant to a "shelf" registration statement previously filed and declared effective by the Securities and Exchange Commission (SEC). A final prospectus supplement and accompanying prospectus relating to the offering has been filed with the SEC and is available on the website of the SEC at www.sec.gov. Copies of the final prospectus supplement and accompanying prospectus relating to the offering may be obtained from: Goldman Sachs and Co. LLC, Attention: Prospectus Department, 200 West Street, New York, NY 10282, telephone: 866-471-2526, facsimile: 212-902-9316 or by emailing Prospectus-ny@ny.email.gs.com; or Citigroup Global Markets Inc., c/o Broadridge Financial Services, 1155 Long Island Avenue, Edgewood, NY 11717, or by phone at (800) 831-9146; or Cowen and Company, LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717, or by email at PostSaleManualRequests@broadridge.com, or by phone at (833) 297-2926.

This press release shall not constitute an offer to sell, or the solicitation of an offer to buy, 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.  Any offer, if at all, will be made only by means of a prospectus supplement and accompanying prospectus, which are a part of the effective registration statement.

About Syndax Pharmaceuticals, Inc. 

Syndax Pharmaceuticals is a clinical stage biopharmaceutical company developing an innovative pipeline of cancer therapies. The Company's pipeline includes SNDX-5613, a highly selective inhibitor of the Menin–MLL binding interaction, axatilimab, a monoclonal antibody that blocks the colony stimulating factor 1 (CSF-1) receptor, and entinostat, a class I HDAC inhibitor.

Syndax's Cautionary Note on Forward-Looking Statements 

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including statements relating to Syndax's expectations regarding the completion, timing and size of the proposed public offering. Words such as "may," "will," "expect," "plan," "anticipate," "intend" and similar expressions (as well as other words or expressions referencing future events, conditions or circumstances) are intended to identify forward-looking statements. These forward-looking statements are based on Syndax's expectations and assumptions as of the date of this press release. Each of these forward-looking statements involves risks and uncertainties. Actual results may differ materially from these forward-looking statements. These risks and uncertainties include, without limitation, risks and uncertainties related to market conditions and satisfaction of customary closing conditions related to the proposed public offering. There can be no assurance that Syndax will be able to complete the proposed public offering on the anticipated terms, or at all. Other factors that may cause Syndax's actual results to differ from those expressed or implied in the forward-looking statements in this press release are discussed in Syndax's filings with the U.S. Securities and Exchange Commission, including the "Risk Factors" sections contained therein, as well as the risks identified in the registration statement and the preliminary prospectus supplement relating to the offering. These forward-looking statements are based on Syndax's expectations and assumptions as of the date of this press release. Except as required by law, Syndax assumes no obligation to update any forward-looking statements contained herein to reflect any change in expectations, even as new information becomes available.