Rivernorth Flexible Municipal Income Fund, Inc. $15,880 Rivernorth Managed Duration Municipal Income Fund, Inc. $14,670 Rivernorth Opportunistic Municipal Income Fund, Inc. $0 Rivernorth Flexible Municipal Income Fund, Inc. $15,880 Rivernorth Managed Duration Municipal Income Fund, Inc. $14,670 Rivernorth Opportunistic Municipal Income Fund, Inc. $0