to be taken private in $6.6B deal shareholders will receive $330 per share, a 67% premium to Thursday's closing price is being taken private in a $6.6 billion transaction, the company said on Friday.

Thoma Bravo will pay shareholders $330 per share, an approximately 67% premium to where shares settled on Thursday. Thoma Bravo is a Chicago-based private-equity firm that focuses on investing in software and technology companies and has over $78 billion in assets. 

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"With the financial and operational support of Thoma Bravo, can continue to innovate and pursue growth opportunities to capture the expanding e-commerce shipping market and extend our position as the leading global multi-carrier e-commerce shipping software company," CEO Ken McBride said in a statement.

The deal includes a 40-day "go-shop" period where can solicit and consider other proposals from third parties. 

Barring the acceptance of a different proposal, the deal between and Thoma Bravo is expected to close in the third quarter of this year. 

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J.P. Morgan Securities is serving as the exclusive financial advisor for