PTIX Protagenic Therapeutics, Inc.
OTC marketsActiveCommon stock
PTIX is the ticker symbol of Protagenic Therapeutics, Inc., which is quoted on OTC markets.
PTIX at a glance
- Symbol
- PTIX
- Company / issuer
- Protagenic Therapeutics, Inc.
- Security type
- Common stock
- Exchange
- OTC markets
- Status
- Actively traded
- Seen in listing files
- Apr 2021 – present
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- Market cap
- $2.6 million (Dec 2025)
Protagenic Therapeutics, Inc. company profile
- Industry (SIC)
- Pharmaceutical Preparations
- Headquarters
- New York, NY
- Incorporated in
- DE
- Fiscal year end
- March 31
- SEC filer category
- Non-accelerated filer<br>Smaller reporting company
- Latest annual report
- 10-K filed 2026-08-14
- Latest interim report
- 10-Q filed 2026-08-19
- SEC CIK
- 1022899
Former company names
- Atrinsic, Inc. (until 2016)
- New Motion, Inc. (until 2009)
- MPLC, Inc. (until 2007)
- Millbrook Press Inc (until 2005)
Source: SEC EDGAR filer data.
PTIX price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol PTIX?
PTIX is the ticker symbol of Protagenic Therapeutics, Inc on OTC markets.
Is PTIX still trading?
Yes. PTIX appears in the SEC company ticker list as of Sep 2026.
Which exchange is PTIX listed on?
PTIX is quoted on OTC markets.
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