Martin Sorrell’s S4 Capital Acquires Programmatic Player MightyHive for $150 Million

S4 Capital, Martin Sorrell's self-described new age/era digital advertising and marketing services company, announced Tuesday morning that it has entered into an agreement to acquire programmatic solutions provider MightyHive for $150 million. Victor Knaap, partner and CEO of MediaMonks--the production company S4 bought for $350 million in July--and Wesley ter Haar, co-founder and chief operating...