From past experience, it tends to be insiders and there family and friends. Remember there was a high demand of shares last year 12 million dollars not sure US/Canadian.
Also everyone that bought those share last year are excited. I bet you bought more shares and will at these prices too, I know I will. They all want STLHF to move to Nasdaq.
Joe Lowry, aka Mr. Lithium has a large following of people. Joe, saying that he owns shares was the best endorsement any Lithium company could receive. I just checked his twitter account. Joes tweets are now protected.
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