"through an accelerated book building process."

Accelerated book building from Investopedia:

Accelerated Bookbuild
What Does Accelerated Bookbuild Mean?
A form of offering in the equity capital markets. It involves offering shares in
a short time period, with little to no marketing. The bookbuild of the offering
is done vey quickly in one or two days. Underwriters may sometimes guarantee a
minimum price and proceeds to the firm.

Investopedia explains Accelerated Bookbuild
An accelerated bookbuild is often used when a company is in immediate need of
financing and debt financing is out of the question. This can be the case when a
firm is looking to make an offer to acquire another firm.

For example, BetandWin.com used an accelerated bookbuild to raise between 200
and 300 million euros to help fund the acquisition of Ongame E-Solutions, the
operator of pokerroom.com, one of the most popular poker websites.