Performance Technologies

PTIX

Findings support advancement into Phase 2 to explore a first-in-class pathway aimed at stress-related neuropsychiatric conditions NEW YORK CITY, NEW YORK / ACCESS Newswire / December 9, 2025 / Protagenic Therapeutics Inc. (NASDAQ:PTIX), a biopharmaceutical company developing therapeutics that target the biology of chronic stress and its downstream psychiatric and neurologic effects, today reported positive topline safety results from its Phase 1 Multiple Dose (MD) study of PT00114. PT00114 is a synthetic analogue of a naturally occurring brain peptide thought to be involved in restoring homeostasis following prolonged exposure to stress.

NEW YORK, NY / ACCESS Newswire / November 27, 2025 / Protagenic Therapeutics, Inc. (Nasdaq:PTIX) (the "Company") today announced that it has received a notification letter from the Nasdaq Listing Qualifications Staff (the "Staff") indicating that the Company is not in compliance with Nasdaq Listing Rules 5550(b)(1) (minimum stockholders' equity) and 5250(c)(1) (timely filing of periodic reports). The Staff determined that, based on the stockholders' equity reported in the Company's Transition Report on Form 10-QT for the period ended June 30, 2025, the Company no longer satisfies the minimum $2.5 million stockholders' equity requirement under Listing Rule 5550(b)(1).

NEW YORK CITY, NY / ACCESS Newswire / November 13, 2025 / Protagenic Therapeutics Inc. (NASDAQ:PTIX), a biopharmaceutical company developing novel therapeutics for stress-related neuropsychiatric and neurodegenerative disorders, today announced the successful completion of enrollment and dosing in its Multiple Ascending Dose (MAD) Phase 1 study evaluating its lead compound, known as PT00114. The study, conducted in healthy volunteers, was designed to assess the safety and tolerability profile of PT00114 following multiple doses over time.

Delay Attributable to Merger-Related Financial Consolidation NEW YORK, NY / ACCESS Newswire / August 22, 2025 / Protagenic Therapeutics, Inc. (Nasdaq:PTIX), a biopharmaceutical company developing novel neuro-active peptide therapies, today announced that it expects to file its Quarterly Report on Form 10-Q for the period ended June 30, 2025 in the near future, following a delay attributable to the completion of merger-related consolidation of financial statements, including purchase accounting adjustments, pro forma financial information, and related disclosures. While the Company anticipates this delay to be brief, there can be no assurance as to the definitive timing of the filing.

Dosing Completion Expected by End of August; Phase 2 Trial Expected to Begin in 1Q 2026 NEW YORK, NY / ACCESS Newswire / August 21, 2025 / Protagenic Therapeutics, Inc. (NASDAQ:PTIX), a biopharmaceutical company developing novel neuro-active peptide therapies, today announced completion of first dose injection for all study subjects in the multiple-dose portion of its ongoing Phase I clinical trial of PT00114. The company expects to complete dosing by the end of August, with topline safety data anticipated by the end of September, supporting advancement into Phase 2 efficacy studies planned for the first quarter of 2026.

NEW YORK, NY and SANTA BARBARA, CA, July 30, 2025 – PRISM MediaWire – Protagenic Therapeutics, Inc. (Nasdaq: PTIX) (the “Company”) today announces that on July 18, 2025, the Japanese Patent Office granted Patent JP 7714571B, a patent which runs until March 31, 2041.

NEW YORK and SANTA BARBARA, Calif., July 30, 2025 (GLOBE NEWSWIRE) -- Protagenic Therapeutics, Inc. (Nasdaq: PTIX) (the “Company”) today announces that on July 18, 2025, the Japanese Patent Office granted Patent JP 7714571B, a patent which runs until March 31, 2041.

NEW YORK, NY / ACCESS Newswire / May 21, 2025 / Protagenic Therapeutics, Inc. (Nasdaq:PTIX) (the "Company") announced today that warrant exchanges and exercises over the last four trading days have generated $3.1 million in cash. The proceeds will fund working-capital needs and advance the Company's peptide-based drug candidates for stress-related and central-nervous-system disorders.

U.S. stocks traded higher midway through trading, with the Dow Jones index gaining more than 150 points on Monday.

NEW YORK--(BUSINESS WIRE)--Halper Sadeh LLC, an investor rights law firm, is investigating whether the merger of Protagenic Therapeutics, Inc. (NASDAQ: PTIX) and Phytanix Bio Inc. is fair to Protagenic shareholders. Upon completion of the proposed transaction, Protagenic shareholders are expected to own approximately 35% of the combined company. Halper Sadeh encourages Protagenic shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Zachary Hal.