Nova Minerals is trading at $3.32, up 5.95% in pre-market from the previous close of $3.13; no verified catalyst for the move was identified. - An October 21 report says CEO Christopher Gerteisen bought 4,237 shares on October 19, but does not link the purchase to the move. - The latest identified operational update, dated October 9, concerned antimony-plant equipment and predates the move; it is not a confirmed cause.