Protagenic Therapeutics Inc (PTIX)

[naturalborninvestor]

You are getting something confused.

OTCQX, OTCQB and Pink are market tiers of the OTC quotation system.
OTCQB indicates that a company is fully reporting, and filing with the SEC, In constrast, "pink" stocks have no reporting obligation.

Upon suspension from NASDAQ on November 3, 2011, the Company’s common stock began quotation on the over-the-counter (“OTC”) market tier, OTCQB. Operated by OTC Markets Group Inc., the OTCQB is a market tier for OTC traded companies that are registered and reporting with the SEC. The Company anticipates that its common stock will continue to trade under the symbol ATRN on the computerized OTCQB system.

http://www.otcmarkets.com/edgar/GetFilingHtml?FilingID=8228715