The formula for calculating the shares outstanding consists of subtracting the shares repurchased from the total shares issued to date. This booklet contains the necessary instructions for a corporation to file a Maryland corporation income tax return for tax year 2023.The outstanding shares formula is represented as issued shares minus shares held in the company's treasury or treasury stock. The director-trustees or receiver may notify the stockholders to prove their interests within a specified time at least 60 days after the date of the notice. Generally, both of these figures can be found on a company's balance sheet. Outstanding shares = Issued shares - Treasury shares. Read Section 3-518 - Distributions to stockholders on forfeiture - When number of outstanding shares unknown, Md. Code, Corp. Complete Form 502CR, following the instructions provided. Submit your completed Form 502CR with your Maryland return. This article focuses on how to form a stock corporation in Maryland.