On June 15, Oklo Inc. rose 5.9% in regular trading, trading at approximately $60.21 per share, with turnover of $200 million. The rally was driven by continued positive sentiment following the U.S. Department of Energy's approval of the preliminary documented safety analysis (PDSA) for Oklo's Aurora powerhouse at Idaho National Laboratory.

The DOE's Idaho Operations Office formally approved the PDSA on June 11 under the Reactor Pilot Program. The analysis covers hazard analysis, accident analysis, safety controls, and design commitments — representing a critical regulatory milestone that clears a major obstacle for subsequent construction permits. This approval validates the initial safety feasibility of the Aurora advanced fission power plant design.

Additionally, Oklo completed its acquisition of precision manufacturing firm ARMEC on June 4, strengthening its vertical integration strategy. Wedbush Securities reiterated an outperform rating with a $110 price target, citing ARMEC's positive free cash flow and complementary capabilities enhancing Oklo's margin profile. UBS adjusted its target to $55, maintaining a neutral rating, while FactSet consensus shows a mean target of $88.26.

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