The phrase "future issuance" refers to the act of creating or issuing something at a later time or in the future. It indicates that something is planned or intended to be issued or produced in the coming days, months, or years. Full definition
The compensation payable to NSAM will increase as a result of future issuances of equity securities, even if the issuances are dilutive to existing stockholders. (seekingalpha.com)
Here's an example from American Capital Agency's (NASDAQ: AGNC) 2013 annual filings:» [W] hile our stockholders bear the risk of our future equity issuances... diluting the value of their stock holdings in us, the compensation payable to our Manager will increase as a result of future issuances of our equity securities.» (fool.com)
However, Shares used to pay the exercise price or purchase price of an option or stock appreciation right or to satisfy tax withholding obligations relating to such awards do not become available for future issuance under the 2013 Plan. (sec.gov)