LOS ANGELES -- Jordan Feldstein, the manager of Maroon 5 and actor Jonah Hill's brother, has died. He was 40 years old.

A spokeswoman for the band confirmed Saturday that Feldstein died unexpectedly Friday. The Feldstein family said in a statement that Jordan Feldstein called 911 after experiencing shortness of breath Friday. He had gone into cardiac arrest by the time paramedics arrived and died a short time later.

Feldstein was the founder and chief executive of Career Artist Management and had managed Maroon 5 since its inception 15 years ago. His company also counts Miguel, The B-52s, Elle King and Rick Springfield among its clients.

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Miguel took to Instagram Saturday to send his condolences to Feldstein's family.

"I'm grateful to have gotten to know and learn and work [with] Jordan in our short time to get a sense of the rare kind of person he was. If he said it, he made it happen. Man, I didn't think yesterday would be the last time we'd speak. Rest in power Jordan, you're already missed," Miguel wrote.

Besides Hill, Feldstein is survived by his sister, parents and two children.