Cost Basis Calculator

NetBasis will automatically calculate the cost basis for your Grainger stock by adjusting for any corporate actions or dividend reinvestments. Just provide your purchase/acquisition dates, number of shares or amount acquired and sold and your sale dates. NetBasis will calculate your Cost Basis, Gain/Loss and Sale Proceeds as well as the current status of your investment. NetBasis will also provide you with supporting documentation. To use the system, click on the link below. This will take you to the NetBasis system where you can purchase a cost basis calculation. If you have any questions using the NetBasis system, call their 24/7 Customer Care Call Center, 1-888-80-BASIS (1-888-802-2747) or use the Live Web Chat service located on the Help button once you have logged on to the system.

NetBasis Disclaimer

By selecting the NetBasis link below, you will leave W.W. Grainger, Inc.’s website and be redirected to the NetBasis website.


When you select the NetBasis icon below, you will leave Grainger’s website and be redirected to the NetBasis system, which contains certain historical information about Grainger’s stock. Grainger has no control over, receives no compensation from, and neither endorses nor recommends NetBasis versus other similar tax calculators. Grainger makes no representation or warranty as to the accuracy of any cost basis calculation or the sales methods made using NetBasis or the information on the NetBasis website. The user is responsible for the accuracy of the information input and required to provide “due diligence” to the IRS for the date of the stock purchased. Grainger urges you to consult your tax adviser about your tax basis in your Grainger stock. Grainger shall have no liability for any inquiry or damages you incur as a result of your use of NetBasis.

Continue to NetBasis Cost Basis Calculator