Thomas Middleditch & Mollie Gates Split

“Silicon Valley” star Thomas Middleditch, 38, and his costume designer wife Mollie Gates, 35, have called it quits.

After more than four years of marriage, Gates filed for divorce, citing irreconcilable differences. In court documents obtained by People magazine, the date of separation is listed as May 22. She is also asking for spousal support.

A source told the outlet, “They still care deeply for each other and will move forward as friends.”

The news comes almost a year after Middleditch discussed their open marriage. He told Playboy, “I don't know how much I can say, because I don't want my wife to be mad at me. Only after I got married was I like, 'Mollie, I'm sorry, but we have to get nontraditional here.' To her credit, instead of saying 'F**k you, I'm out,' she was like, 'Let's figure this out.'”

Along with noting that swinging “saved” their marriage, Thomas added, “We have different speeds, and we argue over it constantly, but it's better than feeling unheard and alone and that you have to scurry in the shadows. By the way, it's now called being 'part of the lifestyle.' The term 'swinging' is old.”

Thomas also revealed that they had “rules” in the bedroom, saying, “Mollie and I have created our own rules, and compared to most of the people we've met who do this kind of sh*t, our rules are strict. We're not off on our own; we're together, a unit.”

Middleditch eventually expressed regret over his comments on Daily Beast's “The Last Laugh” podcast. He said, “To be honest, it's a thing I wish I could take back. It was poor execution. But I've learned to keep things a little more close to the chest. It was a painful [learning experience], to be honest.”

Thomas and Mollie were last publicly seen together in May last year at a screening of “The Souvenir” in West Hollywood. He hasn't posted her on his Instagram since August.