The diner chain best known for its Grand Slam breakfast is preparing for a major change. Denny’s announced plans in early November to leave the public market in a deal worth hundreds of millions of dollars.

The move comes as the company faces ongoing challenges, including declining revenue and planned restaurant closures.

Here are five key details about the sale:

The deal: Denny’s will be acquired for $620 million by a group that includes TriArtisan Capital Advisors (owner of P.F. Chang’s), Treville Capital and Yadav Enterprises.

Shareholder payout: Investors will receive $6.25 for each share of Denny’s common stock.

Timeline: The sale is expected to close early next year.

About the chain: Denny’s started as Danny’s Donuts in 1953 in Lakewood, California, and now operates about

See Full Page