Prexton Therapeutics, a Parkinson's disease-focused spinoff of Merck Group that had raised $41m in funding, has agreed to an acquisition that could reach more than $1.1bn in size.

Cloud security software developer Evident.io, which had raised about $49m from investors including GV, has agreed to an acquisition by Palo Alto Networks for $300m in cash.

UC Berkeley spinout IntegenX has been picked up for an undisclosed sum, also providing exits to Samsung and In-Q-Tel.

Spa and salon management software producer Booker Software had raised $77m across three rounds from investors including First Data Ventures.

Ovo has acquired the mobile video technology developer for just over $10m, with Incoming backers Intel, Citrix and Warner Brothers getting stakes in Ovo.

GE Ventures is set to exit document collaboration platform Octiv in an acquisition of undisclosed size by Conga.

Ofer subsidiary OG Tech Ventures has bought the Santander-backed hospitality payment technology provider for an undisclosed amount.

S&P Global has agreed to acquire portfolio company Kensho, an AI-equipped information software provider, in a deal that will also allow GV to exit.

S&P Global is set to acquire its portfolio company Kensho, a spinout from Harvard and MIT, in the largest such deal involving an AI developer to date.