Protagenic Therapeutics, Inc. (PTIX)

OTCMKTS · Delayed Price · Currency is USD
0.4899
+0.0060 (1.24%)
At close: May 13, 2026
Market Cap1.18M
Revenuen/a
Net Incomen/a
EPSn/a
Shares Out1.81M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume400
Average Volume10,495
Open0.4900
Previous Close0.4839
Day's Range0.4899 - 0.4900
52-Week Range0.2500 - 14.2800
Beta0.38
RSI42.48
Earnings DateFeb 25, 2026

About Protagenic Therapeutics

Protagenic Therapeutics, Inc. operates as a pharmaceutical company specializing in the development of medicines manufactured from cannabinoid and cannabinoid-like molecules. Protagenic Therapeutics, Inc. was founded in 2004 and is based in Santa Barbara, California. [Read more]

Industry Biotechnology
Sector Healthcare
Founded 2004
Employees 3
Stock Exchange OTCMKTS
Ticker Symbol PTIX
Full Company Profile

News

Protagenic Therapeutics appoints Nichols Jr. as President

Protagenic Therapeutics (PTIX) announced the appointment of Bill Nichols Jr. as President. At Protagenic, Nichols will drive integrated clinical development, corporate strategy, and enterprise plannin...

22 days ago - TheFly

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-rel...

22 days ago - Accesswire

Protagenic Therapeutics completes Phytanix separation

Protagenic Therapeutics (PTIX) announced the closing of a settlement and separation related to its prior Phytanix Bio acquisition. The transaction simplifies Protagenic’s capital structure, materially...

2 months ago - TheFly

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 NEW YO...

2 months ago - Accesswire

Protagenic Therapeutics upgrades from OTC Pink to OTCQB Venture Market

Protagenic Therapeutics (PTIX) announced that its common stock has been upgraded from OTC Pink to the OTCQB and has commenced trading on OTCQB under the symbol “PTIX.” Published first on…

2 months ago - TheFly

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 NEW YORK CITY, NY / ACCESS Newswire / March 10, 2026 / Protagenic Therapeut...

2 months ago - Accesswire

Protagenic reports results from Phase 1 multiple-dose study of PT00114

Protagenic Therapeutics (PTIX) reported topline safety results from its Phase 1 Multiple Dose study of PT00114. PT00114 is a synthetic analogue of a naturally occurring brain peptide thought to be…

5 months ago - TheFly

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 NEW YORK CITY, NEW YORK / ACCESS Newswire / December 9, 2025 / Protage...

5 months ago - Accesswire

Protagenic Therapeutics Announces Receipt of Nasdaq Non-Compliance Notice

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 Qual...

6 months ago - Accesswire

Protagenic Therapeutics completes enrollment, dosing in Phase 1 MAD study

Protagenic Therapeutics (PTIX) announced the completion of enrollment and dosing in its Multiple Ascending Dose Phase 1 study evaluating its lead compound, known as PT00114. The study, conducted in he...

6 months ago - TheFly

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 ...

6 months ago - Accesswire

Protagenic Therapeutics Provides Update on Form 10-Q Filing Timeline and Nasdaq Compliance

Delay Attributable to Merger-Related Financial Consolidation NEW YORK, NY / ACCESS Newswire / August 22, 2025 / Protagenic Therapeutics, Inc. (Nasdaq:PTIX), a biopharmaceutical company developing nove...

9 months ago - Accesswire

Protagenic advances PT00114 into multiple-dose Phase 1 trial

Protagenic Therapeutics (PTIX) 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...

9 months ago - TheFly

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 NEW YORK, NY / ACCESS Newswire / August 21, 2025 / Protagenic Therapeutics, Inc. (NASDAQ:PTIX), a biopharmaceuti...

9 months ago - Accesswire

Protagenic Therapeutics granted new patent in Japan for modified stilbenoid

Protagenic Therapeutics (PTIX) announces that on July 18, 2025, the Japanese Patent Office granted Patent JP 7714571B, a patent which runs until March 31, 2041. This patent underpins one of…

10 months ago - TheFly

Protagenic Therapeutics receives $3.1M from warrant activity

Protagenic Therapeutics (PTIX) announced that warrant exchanges and exercises over the last four trading days have generated $3.1M in cash. The proceeds will fund working-capital needs and advance the...

1 year ago - TheFly

Protagenic Therapeutics Receives $3.1 Million from Recent Warrant Activity

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 ge...

1 year ago - Accesswire

Protagenic Therapeutics, Phytanix Bio to combine in all-stock transaction

Protagenic Therapeutics (PTIX) and Phytanix Bio have entered into a definitive share exchange agreement pursuant to which the two entities will combine in an all-stock transaction. The combined entity...

1 year ago - TheFly

Protagenic Therapeutics, Phytanix Bio enter business combination agreement

Protagenic Therapeutics (PTIX) and Phytanix Bio entered into a definitive share exchange agreement pursuant to which the two entities will combine in an all-stock transaction. The combined entity, to ...

1 year ago - TheFly

Protagenic Therapeutics and Phytanix Announce Business Combination to form Neuroactive Biopharmaceutical Company with Six Drug Candidates in Development including Treatments for Obesity and Metabolic Disorders

NEW YORK, NY AND SANTA BARBARA, CA / ACCESS Newswire / May 19, 2025 / Protagenic Therapeutics, Inc. (Nasdaq:PTIX) (the "Company") and Phytanix Bio Inc. have entered into a definitive share exchange ag...

1 year ago - Accesswire

Protagenic Therapeutics Inc trading halted, news pending

19:50 EDT Protagenic Therapeutics (PTIX) Inc trading halted, news pending

1 year ago - TheFly

Protagenic Therapeutics to Effect 1-for-14 Reverse Stock Split

Measure taken to Comply with Nasdaq Rule 5550(a)(2) Regarding Minimum Bid Price NEW YORK, NY / ACCESS Newswire / April 29, 2025 / Protagenic Therapeutics, Inc. (Nasdaq:PTIX) ("Protagenic Therapeutics"...

1 year ago - Accesswire

Protagenic Therapeutics files to sell 5.84M shares of common stock for holders

06:14 EST Protagenic Therapeutics (PTIX) files to sell 5.84M shares of common stock for holders

1 year ago - TheFly

Protagenic Therapeutics Announces Closing of Private Placement for Aggregate Gross Proceeds of $1.275 Million

NEW YORK, NY / ACCESSWIRE / November 5, 2024 / Protagenic Therapeutics, Inc. (NASDAQ:PTIX) ("Protagenic Therapeutics" or the "Company"), a leader in biopharmaceutical innovation, announced today that ...

1 year ago - Accesswire

Protagenic Therapeutics to sell 1.95M shares at 64c in private placement

Protagenic Therapeutics (PTIX) has entered into a purchase agreement for the purchase and sale of an aggregate of 1,948,295 shares of common stock, series A common stock purchase warrants to…

1 year ago - TheFly