Just remember that they cannot maneuver the number of shares issued in such a way that your percentage of ownership changes. If you own 1% you will continue to own 1% unless you buy or sell your shares.
Most companies have a target range for the price of there stock and they will use stock splits to maintain that range as the price per share increases. What they are probably doing is buying stock to hold as treasury stock which can be used later for funding of other projects or expansion etc. Those treasury shares are issued shares.
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