They can dump any amount of shares very easily and at any time up to the Authorized Share limit. The Authorized Shares that the company can issue is spelled out in their Articles of Incorporation and is 5 BILLION SHARES.
And UNI-CON has dumped billions of shares according to their SEC filings.
When UNI-CON did the Reverse Split they only reduced the Outstanding Shares, they did NOT reduce the Authorized Shares.