under the co description you should see the most current share structure (always check the latest filing to make sure that is updated) - under Security Notes you can find if there were any splits (forward or reverse) - there is other info on that page - sometimes you can find the transfer agent listed there, company website, officers etc.
Back to the left of screen - Filings and Disclosure - if they are a reporting company you will find the latest filings there where you can read all of them. The News at the left of the screen will bring you to any recent news releases.
Beware of most penny stocks and I would suggest that you don't invest in them. Trade them very short term. Very few penny stocks are worth a long time investment. They can have a cure for cancer and if they aren't managed right it means nothing. Most of them have little cash and raise money at the expense of shareholders by diluting and reverse splitting. Be careful. And don't listen and believe the pumpers.