A First Data Corp. shareholder filed a proposed class-action lawsuit Wednesday challenging the planned acquisition of the payment processor by Fiserv Inc.
The $22 billion all-stock merger benefits First Data’s controlling shareholder, the investment firm Kohlberg Kravis Roberts & Co., “to the detriment of the company’s noninsider stockholders,” says the complaint, according to the Law360 legal news service, a unit of LexisNexis.

A spokesperson for Atlanta-based First Data says the company doesn’t comment on litigation.
Fiserv has scheduled a special shareholder meeting for April 18 to approve the merger. First Data stockholders have until April 11 to inform the company of their consent or non-consent.
