Shares of Protagenic Therapeutics Inc (NASDAQ:PTIX) surged 306% to $12.32 Monday morning following news of a definitive all-stock merger agreement with Phytanix Bio. What To Know: The combined company ...

Shares of Protagenic Therapeutics Inc (NASDAQ:PTIX) are trading sharply higher Thursday afternoon, soaring over 100% midday after the company announced a key clinical milestone. What To Know: This ...

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 ...

NEW YORK, NY / ACCESS Newswire / April 29, 2025 / Protagenic Therapeutics, Inc. (Nasdaq:PTIX) ("Protagenic Therapeutics" or the "Company"), a leader in biopharmaceutical innovation, today announced ...

Protagenic Therapeutics Inc. Annual stock financials by MarketWatch. View the latest PTIX financial statements, income statements and financial ratios.

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Investors are closely monitoring PTIX as it navigates through the prevailing economic headwinds that have impacted its market position and investor sentiment. The 52-week low serves as a critical ...

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission. Major institutions are defined as firms or individuals that exercise ...