Venture Capital Resources - Sometimes Private equity firms sell one of their investments back on the exchange Where can I see this?

Sometimes Private equity firms sell one of their investments back on the exchange Where can I see this?

In other words where can you go to find a company that has recently come back to the exchange from a private equity firm or from becoming public?

It would initially be listed as an IPO. You can check Yahoo Finance, stocks for the latest listings. If you have a specific company you want to know about check there web site.
You did not mention country as exchange differs from one country to another. In Nigeria, you need to liaise with Nigeria Stock Exchange. For a particular country, I would advise that you visit GOGGLE