Insider purchases make SoFi, Grab, Nebius and Oracle favorite buys because their executives and directors have committed their own money at prices above today's shares. SoFi CEO Anthony Noto bought $2.25M at $17.29 versus $14 now; Grab's CEO and COO bought about $30.9M, with shares at $2.80 versus $2.89 for the COO; Nebius director Arne Grimme bought $50K at $169.99 versus $165; Oracle director Stephen Rusckowski bought $3.48M at $139.35 versus $126. x.comÂ