On the Initial Closing Date , Arch Therapeutics , Inc. entered into a registration rights agreement with the Initial Investors ( the 2015 Registration Rights Agreement ) , pursuant to which the Company was obligated , subject to certain conditions , to file with the Securities and Exchange Commission within 90 days after the closing of the 2015 Private Placement Financing one or more registration statements ( any such registration statement , a Resale Registration Statement ) to register the 2015 Shares and the 2015 Warrant Shares for resale under the Securities Act .