Alamar Biosciences Announces Pricing of Upsized Initial Public Offering

Fremont, Calif. – April 16, 2026. Alamar Biosciences, Inc. (“Alamar”), a leader in precision proteomics dedicated to advancing the early detection of disease, today announced the pricing of its upsized initial public offering of 11,250,000 shares of its common stock at a public offering price of $17.00 per share. In addition, Alamar has granted the underwriters a 30-day option to purchase up to an additional 1,687,500 shares of common stock at the initial public offering price, less underwriting discounts and commissions. The shares are expected to begin trading on the Nasdaq Global Select Market on April 17, 2026 under the ticker symbol “ALMR.” The gross proceeds from the offering are expected to be approximately $191.3 million, without giving effect to the underwriters’ option to purchase additional shares and before deducting underwriting discounts and commissions and other offering expenses. The offering is expected to close on April 20, 2026, subject to the satisfaction of customary closing conditions.

J.P. Morgan, BofA Securities, TD Cowen, Leerink Partners and Stifel are acting as joint book-running managers 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 April 16, 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 effective registration statements relating to these shares. Copies of the final prospectus, when available, may be obtained from: J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 11717 or by email: prospectus-eq_fi@jpmchase.com; BofA Securities, NC1-022-02-25, 201 North Tryon Street, Charlotte, North Carolina 28255, Attention: Prospectus Department or by email: dg.prospectus_requests@bofa.com; or TD Securities (USA) LLC, c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, New York 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 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 Alamar Biosciences, Inc.

Alamar is a life sciences company dedicated to powering precision proteomics to enable the earliest detection of disease. Leveraging its proprietary NULISA™ technology and the ARGO™ HT System, Alamar’s platform is designed to detect biomarkers with ultra-high sensitivity and address key limitations of existing technologies, helping researchers unlock the full spectrum of protein biomarkers across disease states.

Investor contact:

investors@alamarbio.com

Media contact:

media@alamarbio.com

Steve Williams, MD, PhD

CSO

Dr. Willams serves as the company’s Chief Scientific Officer. He was previously Chief Medical Officer at Standard Biotools and at SomaLogic where he pioneered the discipline for discovery and validation of predictive, diagnostic and prognostic models using machine-learning applied to large-plex proteomics. 20 such tests were used for drug characterization, safety and efficacy when incorporated in clinical drug trials at Pharma/Biotech and 17 different multivariate tests were validated and translated into regulated healthcare uses. Prior to SomaLogic, Dr. Williams was at Pfizer in the UK and the USA as a clinical triallist in Translational Medicine, and subsequently as VP, Global Clinical Technology. He sat on the National Advisory Council for the National Institute of Biomedical Imaging and Bioengineering, the Executive Committee for the FNIH Biomarkers Consortium, and worked with FDA and PhRMA on developing evidentiary standards for biomarker qualification. Dr. William’s medical training was in London, at Charing Cross and Westminster Medical School, followed by a PhD in medicine/physiology at the same institution and training in Radiology at the University of Newcastle Upon Tyne. Steve is co-inventor on 26 proteomics patents and author/coauthor on multiple foundational proteomics manuscripts.

Justin McAnear

CFO

Mr. McAnear serves as the company’s Chief Financial Officer. He brings over 25 years of operational and financial leadership experience across various sectors and was instrumental in taking 10x Genomics public in 2019, serving as its CFO for over five years. Mr. McAnear served for over 3 years as Tesla’s VP of Worldwide Finance and Operations, supporting landmark initiatives such as the Model X and Model 3 launches and Solar City acquisition.  He also held various roles at Apple and J&J earlier in his career and served as a naval officer and aviator for over 9 years.