Inside SAP Business One you can general a report called the Serial Number Transactions Report which shows you all the transactions that occurred for each item that is managed by a serial number across the entire system.
To run the report follow these instructions:
1) From the Modules tab inside SAP Business One navigate to: Inventory > Inventory Reports > Serial Number Transactions Report
2) When the Serial Number Transactions Report Selection Criteria window pops up, you can choose to narrow your report by item number, item group, or item properties. When you’re ready to run the report, click OK.
3) The Serial Number Transactions report will now appear: