Press Release: Protalix BioTherapeutics Reports Third Quarter 2025 Financial and Business Results

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CARMIEL, Israel, Nov. 13, 2025 /PRNewswire/ -- Protalix BioTherapeutics, Inc. (NYSE American: PLX), a biopharmaceutical company focused on the development, production and commercialization of recombinant therapeutic proteins produced by its proprietary ProCellEx$(R)$ plant cell-based protein expression system, today reported financial results for the quarter ended September 30, 2025, and provided a financial and business update.

"We are pleased to report total revenues of $43.6 million for the first nine months of 2025, an increase of 24%, compared to the same period in 2024. Our total revenues for the third quarter were $17.9 million which reflects a decrease of 1%, compared to revenues for the same period of 2024," said Dror Bashan, Protalix's President and Chief Executive Officer. "We recognize revenues from sales of our products to Chiesi, Pfizer, and Fiocruz in Brazil, and their purchases vary from quarter to quarter as they control their own inventories. Overall, these revenues reflect the continued commercial success of our enzyme replacement therapies and provide a strong foundation to support our research and development efforts."

"We are particularly excited about PRX-115, our recombinant PEGylated uricase candidate under development for the treatment of uncontrolled gout, which we believe has the potential to be a differentiating treatment for uncontrolled gout," continued Mr. Bashan. "Based on encouraging first-in-human data from our phase 1 clinical trial of PRX-115, we believe it has the potential to be a best-in-class therapy with a long-acting profile that could improve patient compliance and outcomes. We are planning to initiate a phase 2 clinical trial of PRX-115 later this year."

Corporate Highlights

   -- In October 2025, we submitted an Investigational New Drug (IND) to the US 
      Food and Drug Administration in connection with our planned phase 2 
      clinical trial of PRX-115 for the potential treatment of uncontrolled 
      gout. The IND has become effective following the FDA's standard 30-day 
      review period. 
 
   -- In November 2025, Chiesi Global Rare Diseases, a business unit of the 
      Chiesi Group, with our collaboration requested a re-examination of the 
      recent negative opinion issued in October 2025 by the Committee for 
      Medicinal Products for Human Use $(CHMP)$ of the European Medicines Agency 
      $(EMA)$ on Chiesi's request for a Variation Submission covering the 2 mg/kg 
      body weight infused every 4 weeks (E4W) dosing regimen for Elfabrio 
      (pegunigalsidase alfa), in addition to the currently approved 1 mg/kg 
      body weight infused every 2 weeks (E2W) dosing regimen. 
 
   -- The 1 mg/kg E2W regimen is unaffected and remains approved as a dosing 
      regimen of Elfabrio in the EU. 

Third Quarter 2025 Financial Highlights

   -- We recorded revenues from selling goods of $17.7 million during the three 
      months ended September 30, 2025, a decrease of $0.1 million, or 1%, 
      compared to revenues of $17.8 million for the three months ended 
      September 30, 2024. These revenues consist of $8.8 million in sales of 
      Elfabrio to Chiesi, $2.8 million in sales of Elelyso to Pfizer and $6.1 
      million in sales of alfataliglicerase (Elelyso) to Fiocruz (Brazil). 
 
   -- We recorded revenues from license and R&D services of $0.2 million for 
      the three months ended September 30, 2025, an increase of $0.1 million, 
      or 100%, compared to $0.1 million for the same period in 2024. Revenues 
      from license and R&D services are comprised primarily of revenues we 
      recognized in connection with our license and supply agreements with 
      Chiesi. Other than potential regulatory milestone payments that may 
      become payable, we expect to generate minimal revenues from license and 
      R&D services now that we have completed the clinical development of 
      Elfabrio. 
   -- Cost of goods sold was $8.3 million for the three months ended September 
      30, 2025, a decrease of $0.1 million, or 1%, from $8.4 million for the 
      same period in 2024. The decrease was primarily the result of the 
      decrease in sales to Chiesi and Pfizer, partially offset by the increase 
      in sales to Fiocruz (Brazil). 
 
   -- For the three months ended September 30, 2025, our total research and 
      development expenses were approximately $4.5 million comprised of 
      approximately $2.6 million of salary and related expenses, approximately 
      $0.5 million of subcontractor-related expenses, approximately $0.5 
      million of materials-related expenses and approximately $0.9 million of 
      other expenses. For the same period in 2024, our total research and 
      development expenses were approximately $3.0 million comprised of 
      approximately $1.6 million of salary and related expenses, approximately 
      $0.6 million of subcontractor---related expenses, approximately $0.2 
      million of materials-related expenses and approximately $0.6 million of 
      other expenses. The increase of $1.5 million, or 50%, compared to the 
      same period of 2024 resulted primarily from preparations for the planned 
      phase 2 clinical trial of PRX-115. 
 
   -- We expect to continue to incur significant research and development 
      expenses as we enter into a more advanced stage of preclinical and 
      clinical trials, including the initiation of the phase 2 clinical trial 
      of PRX-115 and as we develop additional research stage programs. 
 
   -- Selling, general and administrative expenses were $2.9 million for the 
      three months ended September 30, 2025, an increase of $0.3 million, or 
      12%, compared to $2.6 million for the same period in 2024. The increase 
      resulted primarily from an increase of $0.1 million in salary and related 
      expenses and an increase of $0.2 million in selling expenses. 
 
   -- Financial income, net was $0.1 million for the three months ended 
      September 30, 2025, compared to financial expenses, net of $0.1 million 
      for the same period in 2024. The difference resulted primarily from lower 
      notes interest expenses due to the September 2024 repayment in full of 
      all the outstanding principal and interest payable under our then 
      outstanding convertible promissory notes, or the 2024 Notes. 
 
   -- We recorded a tax benefit of approximately $0.1 million for the three 
      months ended September 30, 2025, compared to tax expenses of 
      approximately $0.6 million for the same period in 2024. The tax benefit 
      resulted primarily from taxes on income mainly derived from GILTI income 
      in respect of Section 174 of the U.S. Tax Cuts and Jobs Act of 2017, or 
      the TCJA. On July 4, 2025, tax reform legislation was enacted in the 
      United States through the passage of H.R.1, One Big Beautiful Bill Act, 
      or HR1, which includes significant corporate tax changes, including a 
      restoration of the current deductibility for domestic research 
      expenditures beginning in 2025, with transition options for previously 
      capitalized amounts. 
 
   -- Net income for the three months ended September 30, 2025 was 
      approximately $2.4 million, or $0.03 per share, basic and diluted, 
      compared to net income of $3.2 million, or $0.04 per share, basic and 
      $0.03 per share, diluted, for the same period in 2024. 

Year-to-Date 2025 Financial Highlights

   -- We recorded revenues from selling goods of $43.1 million for the nine 
      months ended September 30, 2025, an increase of $8.3 million, or 24%, 
      compared to revenues of $34.8 million for the same period in 2024. These 
      revenues consist of $18.6 million in sales of Elfabrio to Chiesi, $15.4 
      million in sales of Elelyso to Pfizer and $9.1 million in sales of 
      alfataliglicerase (Elelyso) to Fiocruz (Brazil). 
 
   -- We recorded revenues from license and R&D services of $0.5 million for 
      the nine months ended September 30, 2025, an increase of $0.1 million, 
      compared to $0.4 million for the same period in 2024. Revenues from 
      license and R&D services are comprised primarily of revenues we 
      recognized in connection with our license and supply agreements with 
      Chiesi. Other than potential regulatory milestone payments that may 
      become payable, we expect to generate minimal revenues from license and 
      R&D services now that we have completed the clinical development of 
      Elfabrio. 
 
   -- Cost of goods sold was $22.4 million for the nine months ended September 
      30, 2025, an increase of $2.0 million, or 10%, from $20.4 million for the 
      same period in 2024. The increase was primarily the result of increased 
      sales to Chiesi and Pfizer, partially offset by a decrease in sales to 
      Fiocruz (Brazil). 
 
   -- For the nine months ended September 30, 2025, our total research and 
      development expenses were approximately $13.9 million, comprised of 
      approximately $6.5 million of salary and related expenses, $4.3 million 
      of subcontractor-related expenses, $0.9 million of materials-related 
      expenses, and $2.2 million of other expenses. For the same period in 
      2024, R&D expenses were approximately $8.8 million comprised of 
      approximately $4.8 million of salary and related expenses, approximately 
      $1.6 million of subcontractor-related expenses, approximately 
      $0.5 million of materials-related expenses and approximately $1.9 million 
      of other expenses. The $5.1 million, or 58%, increase compared to the 
      same period of 2024 resulted primarily from preparations for the planned 
      phase 2 clinical trial of PRX-115. 
 
   -- Selling, general and administrative expenses were $8.2 million for the 
      nine months ended September 30, 2025, a decrease of $1.0 million, or 11%, 
      compared to $9.2 million for the same period in 2024. The decrease 

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November 13, 2025 06:50 ET (11:50 GMT)

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