Multiple classes of share with different voting rights, so while he doesn't own 50.1% of the company he does have overall voting control of the company. https:

Multiple classes of share with different voting rights, so while he doesn't own 50.1% of the company he does have overall voting control of the company. https://www.morningstar.com/articles/1061237/how-facebook-silences-its-investors https://www.morningstar.com/articles/1061237/how-facebook-si...