As the saying goes, there are many possible reasons for an insider to sell a stock, but only one reason to buy — they expect to make money. So let’s look at two noteworthy recent insider buys.

On Friday, TKO Group Holdings’, Patrick Whitesell, made a $48.13M buy of TKO, purchasing 337,447 shares at a cost of $142.64 each. TKO Group Holdings is trading up about 1.5% on the day Monday. Before this latest buy, Whitesell made one other purchase in the past twelve months, buying $146.24M shares for a cost of $89.01 a piece.

And at Terex, there was insider buying on Thursday, by Director David A. Sachs who purchased 20,000 shares for a cost of $50.73 each, for a total investment of $1.01M. Before this latest buy, Sachs made one other buy in the past year, purchasing $569,800 shares at a cost of $56.98 a piece. Terex is trading up about 0.6% on the day Monday. Bargain hunters can buy TEX even cheaper than Sachs did, with shares trading as low as $49.52 at last check today — that’s 2.4% under Sachs’s purchase price.

VIDEO: Monday 12/16 Insider Buying Report: TKO, TEX