Wed, Jul 27, 2016 12:00 - Protagenic Therapeutics, Inc. (ATRN: OTC Pink Current) - Symbol Change - The symbol, ATRN, is no longer a valid symbol for Protagenic ...read more
Growth Capitalist (https://growthcapitalist.com/2016/07/protagenic-therapeutics-inc-atrn-otc-pink-current-symbol-change/)
Wed, Jul 27, 2016 12:00 - Protagenic Therapeutics, Inc. (ATRN: OTC Pink Current) - Symbol Change - The symbol, ATRN, is no longer a valid symbol for Protagenic ...read more