Unknown charge

I have 6 pending charges on my AMEX credit card. I don't know know what are they.

The charges are form Mar 28th to Apr 1st.

Mar 28th two times of charge amount $3.99

Mar 29th to Apr 1st everyday has one time of charge amount of $3.99

I have ordered iCloud storage for every month. However Apple has charged services fee $3.99 at Mar 26th for March from my AMEX card already.

Please advise.

Thank you