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As it prepares to open its new North American headquarters at Somerville’s Assembly Row late this year, athletic supplier Puma has sold its 130,000-square-foot Westford office building to a Quincy developer for $12.7 million.

Jumbo Capital Management acquired the 10 Lyberty Way property from the company on July 15. The property spans nearly 20 acres and includes an office and R&D building completed in 1984. Puma paid $11.5 million for the property in 2007.

In 2019, the company leased 150,000 square feet as anchor tenant at 455 Grand Union Boulevard in Somerville, a 300,000-square-foot office building being developed by Assembly Row owner Federal Realty Investment Trust.

Puma did not respond to a request for comment, but a company spokeswoman in May said 550 employees will relocate to the new location late this year.