Corporate insiders – meaning a company's officers and directors, and any beneficial owners of more than ten percent of a class of the company's equity securities registered under Section 12 of the Securities Exchange Act of 1934 – must file with the SEC a statement of ownership regarding those securities. An overview of pertinent filings is here: http://www.sec.gov/answers/form345.htm
For search instructions see:
https://www.sec.gov/investor/pubs/edgarguide.htm#P329_34526
under:
Section F. Insider Transactions
To find major stock ownership, go to:
Yahoo! Finance
Initial Public Offerings (IPO) by 
Directory of Obsolete Securities by 
Antique Stock Certificate Almanac 2014 by This almanac is a reference source for both beginning and advanced collectors of old and antique stock and bond certificates, and a great resource for those who are new to the hobby. This edition includes collecting tips and definitions. There are over 6,000 listings, which include company name, whether issued or cancelled, date, state or country, vignette (the picture on the certificate), signatures, and value.We don't own these titles and you may not be able to request them on Interlibrary Loan.
However, you might be able to see them at a library near your home; you can do the following:
1. Select the title. Once the library record appears,
2. Select the link, Worldwide Libraries Own this Item.
2. Once the screen opens, enter your zip code to find a library near your home that owns the title.
Wall Street Journal article:
Wealth Management (A Special Report) --- The Value of Old Money: Those long-ago-issued stock and bond certificates you've discovered may actually be worth something; Here's how to find out Rosenthal, Rachel . Wall Street Journal , Eastern edition; New York, N.Y. [New York, N.Y]10 June 2013: R.4.
Note:
If you are not currently either on campus or already logged into your Baker Library account, you will be prompted to log in with your Baker ID to see this article.
