Insider transactions
Insider transactions are the purchases and sales of shares made by executives and board members in their own company, which must be disclosed publicly to the regulator. Purchases tend to read as a sign of confidence, since nobody knows the business better; sales admit many explanations unrelated to it, from taxes to personal liquidity, and so tell you far less.
See also
See it on real data
Celsmar computes this from the accounts companies file with their regulator, and shows which line every figure comes from. Free to start, no card.
Definition for informational purposes. It is not financial advice nor a recommendation to buy or sell.