Officials with the New York City Police Department say 34-year-old Jose Lopez, of Upper Darby, Pennsylvania, exposed himself in front of women on trains, platforms, or in station elevators. He also committed lewd acts.
The incidents all happened during the morning and afternoon hours.
He is connected to at least six incidents this month, and two in February in Manhattan and Queens.
Police say he also grabbed a woman in one of the incidents.
Anyone with information in regard to these incidents is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).