Across two spells at Woodside Road, Glen made 53 appearances for the Rebels, netting four times.
Director of Football at Worthing FC, Nathan Bowen, commented: “We thank Glen sincerely for his contribution to the club.
“As a senior member of the squad, he has played an important part in cementing our status in the National League South.
“We wish him our very best and every success in the future.”