New York, New York--(Newsfile Corp. - October 27, 2025) - Levi & Korsinsky notifies investors that it has commenced an investigation of Protalix BioTherapeutics, Inc. ("Protalix BioTherapeutics, Inc.") (NYSE American: PLX) concerning possible violations of federal securities laws.

On October 17, 2025, Protalix and Chiesi Global Rare Diseases, Protalix's partner in "the development, production and commercialization of recombinant therapeutic proteins produced by its proprietary ProCellEx® plant cell-based protein expression system", issued a press release "acknowledging that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a negative opinion on the request to approve the dosing regimen of 2 mg/kg body weight infused every 4 weeks (E4W) for Elfabrio (pegunigalsidase alfa, in addition to the currently approved dosing regimen of 1 mg/kg body weight infused every 2 weeks (E2W)."Following this news, Protalix's stock price fell over 22% on October 17, 2025. To obtain additional information, go to:

https://zlk.com/pslra-1/protalix-biotherapeutics-inc-lawsuit-submission-form?prid=174199&wire=5&utm_campaign=49

or contact Joseph E. Levi, Esq. either via email at jlevi@levikorsinsky.com or by telephone at (212)363-7500.

WHY LEVI & KORSINSKY: Over the past 20 years, Levi & Korsinsky LLP has established itself as a nationally-recognized securities litigation firm that has secured hundreds of millions of dollars for aggrieved shareholders and built a track record of winning high-stakes cases. The firm has extensive expertise representing investors in complex securities litigation and a team of over 70 employees to serve our clients. For seven years in a row, Levi & Korsinsky has ranked in ISS Securities Class Action Services' Top 50 Report as one of the top securities litigation firms in the United States. Attorney Advertising. Prior results do not guarantee similar outcomes.

CONTACT:Levi & Korsinsky, LLPJoseph E. Levi, Esq.Ed Korsinsky, Esq.33 Whitehall Street, 17th FloorNew York, NY 10004jlevi@levikorsinsky.comTel: (212)363-7500Fax: (212)363-7171https://zlk.com/

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/272098

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