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Protagenic Therapeutics, Inc. - Common Stock (PTIX)

0.7400
+0.00 (0.00%)
NASDAQ· Last Trade: Jul 1st, 1:21 AM EDT
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Detailed Quote

Previous Close0.7400
Open-
Bid0.4400
Ask0.4999
Day's RangeN/A - N/A
52 Week Range0.7400 - 6.200
Volume0
Market Cap1.34M
PE Ratio (TTM)-0.2145
EPS (TTM)-3.5
Dividend & YieldN/A (N/A)
1 Month Average Volume-

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About Protagenic Therapeutics, Inc. - Common Stock (PTIX)

Protagenic Therapeutics Inc is a biotechnology company focused on the development of innovative therapies for neurological and psychiatric disorders. The company leverages its proprietary technologies to identify and develop peptides that target specific neuronal pathways, with the aim of addressing unmet medical needs in conditions such as depression and anxiety. Through its research and development efforts, Protagenic Therapeutics seeks to create effective treatment options that can enhance the quality of life for patients suffering from these complex disorders. Read More

News & Press Releases

Protagenic Therapeutics' Lead Candidate PT00114 Attenuated Chronic Stress Responses in a Well-Established Rodent Model
As published in Behavioural Pharmacology, two days of PT00114 treatment reduced corticosterone levels and attenuated anxiety-like behavior in chronically stressed rats; a known CRF₁ receptor antagonist did not show activity in the same model.
Protagenic Therapeutics Engages Floyd Regulatory Strategic Consulting as Regulatory Affairs Advisor and Danforth Health as Strategic Operations Partner
NEW YORK, NY / ACCESS Newswire / May 19, 2026 / Protagenic Therapeutics, Inc. (OTCQB:PTIX), a clinical-stage biopharmaceutical company developing novel peptide-based therapies for stress-related neuropsychiatric disorders, today announced two strategic engagements to support the advancement of its lead candidate, PT00114. The Company has engaged Floyd Regulatory Strategic Consulting, led by regulatory affairs veteran Dr. Eric Floyd, Ph.D., MBA, as Regulatory Affairs Advisor, and DanforthHealth, a premier life science operational consulting firm, to establish institutional-grade operational processes and infrastructure. Together, these engagements reflect Protagenic's deliberate, lean operating model concentrating resources and expertise on PT00114's Phase 2 advancement while positioning the Company for long-term value creation for patients and shareholders.
Via ACCESS Newswire · May 19, 2026
Protagenic Therapeutics Appoints Industry Veteran Bill Nichols Jr. as President to Accelerate Advancement of First-in-Class TCAP Pathway Therapy PT00114
NEW YORK, NY / ACCESS Newswire / April 23, 2026 / Protagenic Therapeutics, Inc. (OTCQB:PTIX), a clinical-stage biopharmaceutical company pioneering first-in-class neuropeptide therapies for stress-related neuropsychiatric disorders, today announced the appointment of Bill Nichols Jr. as President. This strategic leadership addition, combined with a thoughtful optimization of the Company's management structure, sharpens focus and resources on advancing its lead candidate, PT00114 - positioning Protagenic for accelerated clinical progress and long-term value creation for patients and shareholders alike.
Via ACCESS Newswire · April 23, 2026
Protagenic Therapeutics Completes Phytanix Separation, Strengthens Balance Sheet and Repositions the Company Around PT00114
Returned and cancelled merger shares, removal of more than $6.3 million of liabilities and over $1 million of annualized cost savings position Protagenic as a leaner company centered on PT00114
Via ACCESS Newswire · March 17, 2026
Protagenic Therapeutics Upgrades from OTC Pink to OTCQB Venture Market
Move strengthens market visibility, supports liquidity and real-time quote access as PT00114 advances toward Phase 2 in 2026
Via ACCESS Newswire · March 10, 2026
Wondering what's happening in today's after-hours session?chartmill.com
Via Chartmill · January 5, 2026
Results from Phase 1 Multiple-Dose Study of PT00114
Findings support advancement into Phase 2 to explore a first-in-class pathway aimed at stress-related neuropsychiatric conditions
Via ACCESS Newswire · December 9, 2025
Protagenic Therapeutics Announces Completion of Enrollment and Dosing in Phase 1 MAD Study
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. With all healthy volunteers now dosed, the company has achieved a milestone in the clinical development of its proprietary peptide-based therapeutic.
Via ACCESS Newswire · November 13, 2025
12 Health Care Stocks Moving In Monday's After-Market Sessionbenzinga.com
Via Benzinga · October 13, 2025
Wondering what's happening in today's after-hours session?chartmill.com
After the closing bell on Monday, let's take a glimpse of the US markets and explore the top gainers and losers in today's after-hours session.
Via Chartmill · August 25, 2025
Protagenic Therapeutics Provides Update on Form 10-Q Filing Timeline and Nasdaq Compliance
Delay Attributable to Merger-Related Financial Consolidation
Via ACCESS Newswire · August 22, 2025
Wondering what's happening in today's pre-market session?chartmill.com
As we await the opening of the US market on Friday, let's delve into the pre-market session and discover the top gainers and losers shaping the early market sentiment.
Via Chartmill · August 22, 2025
12 Health Care Stocks Moving In Friday's Pre-Market Sessionbenzinga.com
Via Benzinga · August 22, 2025
Protagenic Therapeutics (PTIX) Shares Surge On Clinical Trial Progressbenzinga.com
Shares of Protagenic Therapeutics are trading sharply higher Thursday afternoon. The stock soared over 100% midday after the company announced a key clinical milestone.
Via Benzinga · August 21, 2025
Top stock movements in today's session.chartmill.com
Keep an eye on the top gainers and losers in Thursday's session, as they reflect the most notable price movements.
Via Chartmill · August 21, 2025
These stocks are making the most noise in today's session.chartmill.com
Thursday's session is buzzing with activity. Check out the stocks that are attracting the most attention and driving market activity!
Via Chartmill · August 21, 2025
S&P 500 Moves Lower; Walmart Shares Fall After Q2 Resultsbenzinga.com
Via Benzinga · August 21, 2025
12 Health Care Stocks Moving In Thursday's Intraday Sessionbenzinga.com
Via Benzinga · August 21, 2025
Top movers analysis in the middle of the day on 2025-08-21: top gainers and losers in today's session.chartmill.com
Keep an eye on the top gainers and losers in Thursday's session, as they reflect the most notable price movements.
Via Chartmill · August 21, 2025
Dow Dips Over 100 Points; US Initial Jobless Claims Increasebenzinga.com
Via Benzinga · August 21, 2025
These stocks that are showing activity before the opening bell on Thursday.chartmill.com
As the US market prepares to open on Thursday, let's get an early glimpse into the pre-market session and identify the stocks leading the pack in terms of gains and losses.
Via Chartmill · August 21, 2025
Protagenic Therapeutics Advances PT00114 into Multiple-Dose Phase 1 Trial; Positioning for Phase 2 in Stress & Mood Disorders
Dosing Completion Expected by End of August; Phase 2 Trial Expected to Begin in 1Q 2026
Via ACCESS Newswire · August 21, 2025
12 Health Care Stocks Moving In Wednesday's Pre-Market Sessionbenzinga.com
Via Benzinga · July 30, 2025
Wondering what's happening in today's after-hours session?chartmill.com
As the regular session of the US market on Tuesday comes to an end, let's delve into the after-hours session and discover the top gainers and losers shaping the post-market sentiment.
Via Chartmill · July 8, 2025
SHAREHOLDER INVESTIGATION: Halper Sadeh LLC Investigates INZY, TXNM, SVT, PTIX on Behalf of Shareholders
NEW YORK, May 27, 2025 (GLOBE NEWSWIRE) -- Halper Sadeh LLC, an investor rights law firm, is investigating the following companies for potential violations of the federal securities laws and/or breaches of fiduciary duties to shareholders relating to:
By Halper Sadeh LLC · Via GlobeNewswire · May 27, 2025