Aqua Metals Inc. AQMS shares surged 35.8% to $5.50 during after-hours trading on Tuesday, following disclosure of insider stock transactions by CEO Stephen Cotton.Check out the current price of AQMS stock here.SEC Filing Reveals Stock Award DetailsOn Tuesday, a Securities and Exchange Commission (SEC) Form 4 filing revealed that Cotton was granted 11,250 fully vested common shares on September 19 as part of a stock award, with no purchase price, bringing his total holdings to 115,369 shares. The filing also ...