Can you provide the last transaction for 5 Sandy Lane, Singapore 437322?

I apologize, but based on the available search results, specific transaction details for 5 Sandy Lane (postal code 437322) are not accessible through the current data provided.

To view detailed transaction history for this property, including the most recent sale information, you would need to:

- Visit the EdgeProp Singapore research page for Sandy Lane
- Use the Pro User feature on EdgeProp, which allows you to search by unit number for sale transactions
- Contact a real estate agent specializing in the Sandy Lane area for comprehensive transaction records

If you'd like, I can help you with transaction information for other properties or provide general insights about the Sandy Lane area.