Jacob DeWitte, a Director and Officer of Oklo Inc., conducted multiple transactions to sell a total of 420,000 shares of Class A Common Stock on December 22, 2025. Following the transactions, DeWitte still directly holds 9,780,098 shares and indirectly holds 1,581,643 shares, with 1,581,643 shares held in his G.R.A.T. account. Executive share sales are often viewed as a bearish signal for the company's stock, so investors should monitor closely.