Alexandra Renner, Chief Product Officer of Oklo Inc., filed a Form 4 on August 17, 2026, reporting the vesting of 1,201 restricted stock units on August 13, 2026, under a grant originally made on March 13, 2025.

Key Highlights

  • Transaction date: 1,201 restricted stock units (RSUs) vested on August 13, 2026, and were acquired as Class A Common Stock.
  • Original grant: 72,081 RSUs were granted on March 13, 2025, with 20% vesting on March 13, 2026, and the remainder vesting in 48 substantially equal monthly installments thereafter.
  • Price of derivative security: The RSUs converted at $0 per unit, with each RSU representing a contingent right to receive one share of Class A Common Stock.
  • Direct beneficial ownership: Following the transaction, Renner directly holds 473,336 shares of Class A Common Stock.
  • Indirect beneficial ownership: Renner also holds 123,153 shares indirectly through a joint account with her spouse.
  • Remaining RSUs: 51,659 derivative securities (RSUs) remain beneficially owned directly following the reported transaction.

Oklo Inc. CPO RSU Vesting: Transaction and Ownership Details

According to the filing, Alexandra Renner, serving as Chief Product Officer of Oklo Inc. (NYSE:OKLO), reported a single transaction on August 13, 2026, involving the vesting of 1,201 RSUs under transaction code "M," indicating the conversion or exercise of a derivative security. The filing states that each RSU represents a contingent right to receive one share of the issuer's Class A Common Stock, and the price of the derivative security is listed as $0.

The filing explains that the RSUs trace back to a grant of 72,081 units made on March 13, 2025. According to the disclosed vesting schedule, 20% of the underlying shares vested on March 13, 2026, with the balance continuing to vest "in 48 substantially equal monthly installments" thereafter. The August 13, 2026 vesting event of 1,201 RSUs reflects one such monthly installment.

Following the reported transaction, the filing discloses that Renner directly owns 473,336 shares of Class A Common Stock and indirectly owns an additional 123,153 shares held in a joint account with her spouse. A total of 51,659 RSUs remain outstanding in direct beneficial ownership. The Form 4 was signed by Richard Craig Bealmear as Attorney-in-Fact and filed on August 17, 2026.

What Was Disclosed

The filing reports the vesting of 1,201 RSUs by Oklo Inc.'s Chief Product Officer on August 13, 2026, as part of a March 2025 grant, resulting in direct ownership of 473,336 shares and 51,659 remaining RSUs.