Employee Stock Purchase Plan from Germany company

I am a US citizen and I participate in Employee Stock Purchase plan. This plan is administered through Computershare NA which is a US company. I have 100+ USD worth stock in this plan.  Do i need to report this under FATCA requirements? I assumed since the stocks are administered by a US company, it might be exempt. How do i find out if i need to report on FATCA or not? thank you