Don’t forget to FOLLOW the MONEY. What are insiders doing? The video of Mark Hulbert on insider buying is interesting for two reasons:
Insider buying has more explanatory power on long-term (greater than one year) stock returns according to Professor Nejat Seyhun. Also, note that when insiders do NOT sell when prices fall that is a bullish sign. Insiders seem bullish.
Video on Insider Buying
Resources for Studying Insider Buying
A resource for tracking insiders and learning more:
Academic Research on insider buying. You can do a search yourself.
Keep learning/studying and having fun.