Offers upped and upped again, CEO-to-CEO calls and perhaps a veiled walkout threat: Inside Sanofi CEO Paul Hudson's first big buyout

On May 19, Principia CEO Martin Babler received an unsolicited email from the other side of the planet. It was Sanofi CEO Paul Hudson, and …

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Of­fers upped and upped again, CEO-to-CEO calls and per­haps a veiled walk­out threat: In­side Sanofi CEO Paul Hud­son's first big buy­out