The authorized share count of a company is exactly what the name implies. It is the amount of shares a company is allowed to issue. The determination of how many remaining shares a company CAN issue is the A/S minus the O/S.
Class A: Authorized shares: 970,000,000
Class A: Total issued and outstanding: 352,520,585
So yes, SIRG sill has hundreds of millions of shares to dump. 617,480,000 actually.
The next filling WILL MOST DEFINITELY SHOW the O/S has increased again just as it has every quarter.