In order for your tax accountants to be able to figure your cost (basis) in AT&T, they will need
To know how much you purchased and when you purchased for every purchase. Also sales, if any.
If you know the dates of purchases you can look them up on the AT&T Website: http://att.centralcast.net/historic_...px?companyID=2
Even though the website belongs to AT&T Inc. they still have information available for the old
AT&T Corp. because they acquired the old AT&T in November of 2006. For prices in AT&T Corp before
1984 they only provide the high and low for each market day - so you will need to add the high
And low together and divide by two to get an average.
If you have access to any larger public libraries or college libraries, they may have Standard
And Poor's NYSE Daily Quotations.
Also some libraries have access to the New York Times prior issues online or microfilm, in which
You can also find historical quotations. For your purposes the easiest route would be the AT&T
Website mentioned above. Be careful you are looking up AT&T Corp. not
It would also be helpful to know if you had any re-invested dividends. (Most people who had AT&T
Shares did). If you have old tax returns or company or broker statements you might be able to
As a general rule the first step in calculating historical AT&T cost (basis) is to determine how
Many shares of AT&T you had on December 31, 1983 (Divestiture date) and how much you paid for
At that point, unless you are financial or accounting professional, or good with numbers and
Willing to invest a lot of time, you should refer to a professional.
You can find month end prices for AT&T Corp from 1970 through November 2005 as well as dividends
Paid and prices for all the "Baby Bell" companies here: http://www.historicalstockinfo.com/babybells.html
Here's the link for the AT&T historical prices: http://www.historicalstockinfo.com/attoldhistory.html