Fulcrum Therapeutics NASDAQ: FULC has entered into an all-stock merger agreement with privately held Slate Medicines, a migraine-focused biotechnology company, in a transaction expected to close in the fourth quarter of 2026, subject to stockholder approval and customary closing conditions.
Alex Sapir, Fulcrum’s president and chief executive officer, said the company pursued a comprehensive review of strategic alternatives following its June announcement regarding pociredir. He said Fulcrum’s board and management concluded that combining with Slate offered an opportunity to create long-term value for stockholders.
Following the transaction, the combined company is expected to be renamed Slate Medicines and trade on Nasdaq under the ticker symbol SLTE. Slate Chief Executive Officer Greg Oakes is expected to become CEO of the combined company, while Slate’s current senior management team will operate the business. Slate’s board is also expected to become the board of the combined company.
Ownership, Financing and Dividend
The transaction is accompanied by a $245 million private placement of Slate common stock and common stock equivalents. The financing is led by Frazier Life Sciences, with participation from Forbion, RA Capital Management, Deep Track Capital, Foresite Capital, OrbiMed, RTW Investments and Mingxin Capital.
On a fully diluted basis, pre-merger Fulcrum stockholders are expected to own approximately 5% of the combined company. Pre-merger Slate stockholders are expected to own about 55.9%, while private-placement investors are expected to own approximately 39.1%.
Sapir said Fulcrum expects to contribute a net cash balance of $20.3 million at closing in exchange for the 5% ownership stake. Fulcrum also expects to pay a special cash dividend of approximately $270 million to pre-merger Fulcrum stockholders, using additional cash expected to be available at closing.
The companies expect the combined company’s cash balance to provide operating runway into 2029.
Slate’s Migraine Pipeline
Slate was founded to develop potentially best-in-class, next-generation treatments for migraine, according to Oakes. He described migraine as a disabling neurological disease that disproportionately affects women and said existing CGRP-targeted treatments have left a substantial number of patients without adequate responses.
Oakes said that in pivotal chronic migraine prevention studies of CGRP-targeted therapeutics, about half of patients achieved more than a 50% reduction in monthly migraine days, while 20% achieved more than a 75% reduction. He said the market for CGRP-targeted therapies exceeded $5 billion in 2025 and is projected to more than double to more than $10 billion at peak.
Slate’s lead program, SLTE-1009, is a monoclonal antibody designed to bind PACAP and VIP, two neuropeptides involved in migraine pathophysiology. The company believes that blocking both targets could potentially provide greater efficacy than therapies targeting PACAP alone. The antibody was engineered with half-life extension and could support quarterly subcutaneous administration.
- Slate has received clearance to begin a Phase I healthy-volunteer study of SLTE-1009 in Australia.
- Top-line safety and pharmacokinetic data are anticipated in mid-2027.
- The company plans to begin a Phase II dose-ranging study in migraine patients in the second half of 2027 following the Phase I readout.
Slate is also developing SLTE-2100, a bispecific antibody targeting PACAP, VIP and CGRP. The program is currently in lead optimization and is expected to enter clinical testing in the second half of 2027. The company also disclosed a third, undisclosed migraine program.
Oakes said the financing and existing cash are expected to support several anticipated development milestones, including SLTE-1009’s Phase I and Phase II studies, advancement of SLTE-2100 into clinical trials and through a Phase IIa proof-of-concept study, and continued expansion of Slate’s pipeline.
About Fulcrum Therapeutics (NASDAQ:FULC)
Fulcrum Therapeutics, Inc is a clinical-stage biopharmaceutical company focused on discovering and developing precision medicines that modulate gene expression through epigenetic control. Leveraging a proprietary target discovery platform, Fulcrum seeks to identify small‐molecule therapeutics that restore normal gene function in diseases caused by genetic dysregulation. The company's core research efforts center on transcriptional regulators and chromatin-modifying proteins, aiming to address underlying disease mechanisms rather than downstream symptoms.
Fulcrum's most advanced programs include FTX-6058, an oral therapeutic candidate designed to elevate fetal hemoglobin levels in patients with sickle cell disease and beta-thalassemia, and a preclinical program targeting facioscapulohumeral muscular dystrophy (FSHD) by inhibiting a key epigenetic driver of aberrant gene expression.
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