Apple has a shareholders meeting once every year and this year for 2020 it will take place on 26th February at Apple Park, in the Steve Jobs Theater at 9am PT. Apple announced the meeting in a filing to the SEC.

Shareholders can attend the meeting in person, but there is a requirement to register beforehand on the website, proxyvote.com which can be done so from 4th February 2020 8am PT.

Source: SEC