Programmatic marketing platform developer Mediasmart has agreed to an acquisition after raising at least $4.1m from investors including Mobile Dreams Factory.

The corporate has expanded its share in online IT and design university operator Skillbox after two investments in the company in 2019.

The Comcast, McKesson, Humana and Independence Health-backed digital health concierge developer has set an initial target of $100m for its proposed flotation.

Seal Software is set to be acquired by DocuSign, which invested $15m in the contact-management software provider last year.

Alphabet will exit credit management company Credit Karma in a $7.1bn acquisition by Intuit.

Valued at $13bn in November, SoftBank-backed food delivery platform developer DoorDash has confidentially filed for an initial public offering.

The Access Industries and Eli Lilly-backed genetic drug developer floated at the top of its range having increased the number of shares in the offering by 60%.

University of Pennsylvania-linked Passage Bio issued 4.6 million more shares than originally planned to raise $216m, up more than 70% on its $125m original target.

Takeda has bought UW spinout PvP Biologics, three years after acquiring an option to buy it in return for $35m in financing.

Nottingham-founded Excellerate Biosciences has been bought by Oxford's spinout OMass Therapeutics, which unveiled a series A extension last week.