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Celldex Therapeutics Announces Closing of Public Offering of Common Stock and Full Exercise of Underwriters’ Option to Purchase Additional Shares

Key Takeaway: Celldex Therapeutics has completed its public offering of 11,896,750 shares of common stock, raising around $345 million in gross proceeds. This offering included full exercise of the underwriters' option for an additional 1,551,750 shares, reflecting strong market interest. All shares were sold by Celldex, utilizing a previously filed registration statement with the SEC. The successful closure of this offering is expected to bolster the company's finances as it advances its therapeutic pipeline.

Market Sentiment Analysis

POSITIVE FACTORS

  • Celldex successfully closed a significant public offering of common stock.
  • The company raised approximately $345 million, enhancing its financial position.
  • Underwriters exercised their option to purchase additional shares, indicating confidence in the company.

Full Press Release Details

HAMPTON, N.J., April 06, 2026 (GLOBE NEWSWIRE) -- Celldex Therapeutics, Inc. (“Celldex” or the “Company”) (Nasdaq: CLDX) today announced the closing of its previously announced underwritten public offering of 11,896,750 shares of its common stock, which includes the exercise in full by the underwriters of their option to purchase an additional 1,551,750 shares of common stock at a public offering price of $29.00 per share. All of the shares sold in the offering were sold by Celldex. The gross proceeds to Celldex from this offering were approximately $345 million, excluding underwriting discounts and commissions and other offering-related expenses.
Leerink Partners, TD Cowen, Guggenheim Securities and Cantor acted as joint bookrunning managers for the offering. LifeSci Capital and H.C. Wainwright & Co. acted as co-lead managers for the offering.
The securities described above were offered and sold by Celldex pursuant to a shelf registration statement on Form S-3 (File No. 333-275300), which was previously filed with the Securities and Exchange Commission (“SEC”) and became automatically effective on November 3, 2023. This offering was made only by means of a prospectus supplement and the accompanying prospectus that form a part of the registration statement. The final terms of the offering are disclosed in a final prospectus supplement which has been filed with the SEC and is available on the SEC’s website located at http://www.sec.gov. Copies of the final prospectus supplement and the accompanying base prospectus may be obtained for free by contacting Leerink Partners LLC, Syndicate Department, 53 State Street, 40th Floor, Boston, MA 02109, or by telephone at (800) 808-7525 ext. 6105 or by email at syndicate@leerink.com or TD Securities (USA) LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717 or by email at TDManualrequest@broadridge.com.
This press release does not constitute an offer to sell or the solicitation of an offer to buy any of the securities described herein, nor shall there be any sale of these securities in any state or other 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 other jurisdiction.
Celldex is a clinical stage biotechnology company leading the science at the intersection of mast cell biology and the development of transformative therapeutics for patients. Our pipeline includes antibody-based therapeutics which have the ability to engage the human immune system and/or directly affect critical pathways to improve the lives of patients with severe inflammatory, allergic, autoimmune and other devastating diseases.
Senior Vice President, Corporate Affairs & Administration Celldex Therapeutics, Inc.
Patrick Till Meru Advisors
Source: Celldex Therapeutics, Inc.

Frequently Asked Questions

What was the public offering price for Celldex shares?

The shares were offered at a public price of $29.00 each.

How many shares did Celldex offer in total?

Celldex offered a total of 11,896,750 shares.

Who were the underwriters for the offering?

Underwriters included Leerink Partners, TD Cowen, and Guggenheim Securities.

What were the gross proceeds from the offering?

The gross proceeds amounted to approximately $345 million.

What is Celldex's focus as a biotechnology company?

Celldex focuses on developing therapeutics for severe inflammatory and autoimmune diseases.

Last updated: Apr 6, 2026