SAN JOSE — Roku has struck a deal to increase the size of its future headquarters in north San Jose, according to a new regulatory filing.

The maker of digital media players has now leased 570,000 square feet in the Coleman Highline office and retail complex on Coleman Avenue in San Jose, multiple documents filed with the Securities and Exchange Commission show.

“We always knew Roku was a fast-growing company that’d be a great match for San Jose,” Mayor Sam Liccardo said on Thursday.

In the most recent deal, Roku leased 98,000 square feet from Coleman Airport Properties, the principal developers and owners of the increasingly successful Coleman Highline office, retail and hotel development near Avaya Stadium and San Jose International Airport.

This news organization reported in September that city officials were clearing the way for expansions of Roku and other tech companies in north San Jose through multiple property deals the municipality was seeking to arrange.

Now, according to the documents filed with the Securities and Exchange Commission on Nov. 13, it’s become clear that Roku is following through on its previously referenced expansion efforts.

The most recent Roku lease was concluded on Nov. 9 and the prior large transaction occurred in August. The Roku leases were arranged through Newmark Knight Frank and CBRE.

“I never expected Roku would grow before they even got here,” Liccardo said.

Prior to the Roku deals, tech company 8×8 signed a lease for 162,000 square feet at Coleman Highline.

“Coleman Airport Properties has commitments for 760,000 square feet of the 1.5 million square feet of office and research space entitled for the site,” according to a memo prepared by Kim Walesh, San Jose’s economic development director. The memo also noted that on-going rental discussions with other tenants “could achieve the full build out” of the project.