Absolutely, Public Service Announcement Included...
Some onlookers are likely not considering or aware settlement of stocks is a T+3 process, which means that when you buy a stock, it takes three business days from the transaction date (T) for the change to be entered into the company's record books.
That being said, June 30th falls on a Monday, 3 business days before the 30th would be Wed, the 25th of June. One may want to get in before or by then to guarantee they are recorded shareholders on the ledger.
Laymen terms:
To ensure that you are in the record books, you need to buy the stock at least three business days before the date of record, June 30th.
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