The Marin Community Foundation netted $440 million as the IPO's largest selling shareholder. The philanthropic organization is itself the product of a previous generation of big business—and a famous legal fight for control of the money.

Software developer Figma is poised to debut on the New York Stock Exchange on Thursday, becoming the latest high-profile tech company to go public.

In what should be a surprise to no one, Figma priced its IPO shares above its already-increased previously announced range.