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PHILADELPHIA (AP) — Doughnut-maker Krispy Kreme is buying a majority stake in Philadelphia-based Insomnia Cookies for an undisclosed sum.

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The Winston-Salem, North Carolina-based Krispy Kreme made the announcement Friday.

Krispy Kreme CEO Mike Tattersfield says in a statement they are “delighted” to add Insomnia to the company. The late-night bakery specializes in warm cookie deliveries.

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Seth Berkowitz will remain in charge of Insomnia after the close of the sale later this year.

Berkowitz founded Insomnia Cookies in 2003 when he was a student at the University of Pennsylvania.

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(Copyright 2018 by The Associated Press. All Rights Reserved.)