Sergey Brin gave Alphabet stock worth almost $700 million to philanthropic causes. The largest donation went to his own nonprofit called Catalyst4. Brin has a history of large stock donations ...

Brin, who is 10th on the Bloomberg Billionaires Index with a net worth of about $143 billion, also gave more than 580,000 Alphabet shares to his family foundation and 282,000 to the Michael J. Fox ...