Oklo Inc. (OKLO) shares fell more than 12% on Wednesday, June 4.
Regulatory filings revealed that co-founders CEO Jacob DeWitte and COO Caroline Cochran sold approximately $13.6 million in stock. The married executives sold a combined 400,000 Class A shares from personal holdings and affiliated trusts on June 1. Sale prices for the transactions ranged from approximately $65 to $70 per share.
The co-founders executed the sales under a pre-arranged Rule 10b5-1 trading plan adopted in March 2025. Despite the planned nature of the trades, the disclosure of the large-scale insider selling triggered a sharp negative reaction from investors.