Loved ones are searching for a Southern California man who has been missing for days.

Morgan Gross, 40, was reported missing on Sept. 18, according to the Los Angeles County Sheriff’s Department.

Gross, who is considered at-risk, was last seen on the 27900 block of Red Pine Court in Santa Clarita around 7:45 p.m.

He is characterized as a white male, standing 5 feet 8 inches tall and weighing 170 pounds. He has brown hair and brown eyes. At the time he was last seen, he was wearing a tan shirt and blue jeans.

He is believed to be traveling in a silver 2024 Ford F-150 pickup truck. Authorities did not have information on a license plate number.

It remains uncertain where he might have been going when he vanished. His family has mentioned that he has a mental health disorder. They have not received any communication from him since his disappearance and are deeply worried about his safety.

Anyone who may know Gross’ whereabouts or has information on the case can call LASD’s Missing Persons Detail at 323-890-5500.

Anonymous tips can be provided to L.A. Regional Crime Stoppers at 1-800-222-8477 or online at lacrimestoppers.org.