It should if it was deposited to the same account or if the deposits were broken up in a manner that looked like you were trying to avoid some kind of transaction limit.  It doesn't matter if the total of the transactions is under the mandatory reporting threshold - financial service providers are well within their rights to set whatever transaction limits they like and to set their software to flag any activity which looks like an attempt to bypass those limits.  They can also file reports on suspicious activity even if the amounts involved are below the mandatory reporting threshold.