CHRISTIAN DAVID A 4

What Happened David A. Christian, a director of Oklo Inc. (OKLO), received a grant of 3,213 restricted stock units (RSUs) on June 11, 2026. The RSUs were reported at a $0.00 acquisition price (i.e., awarded as compensation rather than purchased) and represent a contingent right to receive 3,213 shares of Class A common stock when the units vest. The RSUs vest in full on June 3, 2027.

Key Details

• Transaction date: 2026-06-11; filing date: 2026-06-15 (filed within the typical Form 4 reporting window).
• Grant price: $0.00 per RSU (award/compensation).
• Number of units granted: 3,213 restricted stock units (derivative award).
• Shares owned after transaction: not specified in this filing.
• Footnotes: F1 — each RSU equals a contingent right to one Class A share; F2 — RSUs vest in full on June 3, 2027.
• Transaction code: A (award/grant).

Context RSU grants to directors are common forms of compensation and do not represent an immediate purchase or sale of company stock. Because these are unvested derivative awards, they will only convert into actual shares (and potentially create taxable events) upon vesting or other specified settlement events. This filing is informational and should be interpreted as compensation disclosure rather than a direct bullish or bearish trading signal.