Skip to content
Medical Health Aged Care

Zenas BioPharma Announces Closing of Full Exercise of Underwriters’ Option to Purchase Additional Shares in Initial Public Offering

Zenas BioPharma 2 mins read

WALTHAM, Mass., Sept. 19, 2024 (GLOBE NEWSWIRE) -- Zenas BioPharma, Inc. (“Zenas”), (Nasdaq: ZBIO) a clinical-stage global biopharmaceutical company committed to being a leader in the development and commercialization of transformative immunology-based therapies, today announced that the underwriters of its previously announced upsized initial public offering of 13,235,294 shares of its common stock, which closed on September 16, 2024, exercised in full their option to purchase an additional 1,985,294 shares at the initial public offering price of $17.00 per share. After giving effect to the full exercise of the underwriters’ option to purchase additional shares, which closed on September 19, 2024, Zenas sold 15,220,588 shares in its initial public offering, resulting in gross proceeds of approximately $258.7 million. All of the shares were sold by Zenas. Zenas’ shares began trading on the Nasdaq Global Select Market on September 13, 2024 under the ticker symbol “ZBIO”.

Morgan Stanley, Jefferies, Citigroup, and Guggenheim Securities acted as joint book-running managers for the offering.

Registration statements relating to the shares sold in the offering have been filed with the U.S. Securities and Exchange Commission (“SEC”) and became effective on September 12, 2024. The offering was made only by means of a prospectus. Copies of the final prospectus may be obtained from: Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014, or by email at [email protected]; and from Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, New York, NY 10022, by telephone at (877) 821-7388, or by email at [email protected].

This press release shall not constitute an offer to sell or a solicitation of an offer to buy these securities, nor shall there be any offer or 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.

About Zenas BioPharma, Inc.

Zenas is a clinical-stage global biopharmaceutical company committed to becoming a leader in the development and commercialization of transformative immunology-based therapies for patients in need. Our core business strategy combines our experienced leadership team with a disciplined product candidate acquisition approach to identify, acquire and develop product candidates globally that we believe can provide superior clinical benefits to patients living with autoimmune diseases. Zenas’ lead product candidate, obexelimab, is a bifunctional monoclonal antibody designed to bind both CD19 and FcγRIIb, which are broadly present across B cell lineage, to inhibit the activity of cells that are implicated in many autoimmune diseases without depleting them.

Investor Contact:
Matthew Osborne
Investor Relations and Corporate Communications
[email protected]

Media Contact:
Argot Partners
[email protected]


Primary Logo

More from this category

  • Medical Health Aged Care
  • 19/11/2025
  • 12:14
Australian Cardiovascular Alliance

National Hypertension Taskforce recommends potassium-enriched salt to lower blood pressure

The National Hypertension Taskforce of Australia has published a new position statement in the Journal of Hypertension, recommending that potassium-enriched salt be incorporated into Australia’s hypertension management guidelines as a safe, effective, and scalable strategy to help lower blood pressure and reduce cardiovascular disease. The National Hypertension Taskforce is a joint initiative of the Australian Cardiovascular Alliance and Hypertension Australia, which has set the goal of increasing Australia’s controlled blood pressure from 32% to 70% by 2030. The Taskforce has 25 members across the health spectrum including peak bodies, professional societies, clinicians, researchers and consumers with lived experience. The statement,…

  • Medical Health Aged Care
  • 19/11/2025
  • 11:33
Royal Australian College of GPs

‘This is another key step forward in saving lives’: GPs back Victorian Government drug testing expansion

GPs are throwing their support behind a Victorian Government plan to expand drug testing across the state, including at major music festival events late this year and in 2026. The Victorian Mental Health Minister, the Hon Ingrid Stitt, has committed to lifesaving drug testing sites being available at events including “Spilt Milk” on 6 December, “Dangerous Goods 6XXL” on 24 January and the “Pitch Music and Arts Festival” on 6–10 March next year, with further events to be announced soon. Earlier this year, the Royal Australian College of GPs (RACGP) strongly endorsed the state Government opening Victoria’s first ever fixed…

  • Medical Health Aged Care, Mental Health
  • 19/11/2025
  • 09:51
Issued by Lanham Media on behalf of the Australian Mental Health Prize - UNSW Sydney.

A Decade of Recognition: 2025 Australian Mental Health Prize Winners Announced

This year marks the 10th anniversary of the Australian Mental Health Prize, a decade of recognising Australians whose leadership, research, and lived experience have…

  • Contains:

Media Outreach made fast, easy, simple.

Feature your press release on Medianet's News Hub every time you distribute with Medianet. Pay per release or save with a subscription.