Caroline Cochran, Co-Founder and COO of Oklo Inc., filed a Form 4 on November 4, 2026, disclosing three separate dispositions of Class A Common Stock on November 2, 2026, all executed under a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • First tranche: 16,750 shares disposed at a weighted average price of $23.8194, with individual sale prices ranging from $23.46 to $24.45.
  • Second tranche: 16,550 shares disposed at a weighted average price of $25.0451, with prices ranging from $24.46 to $25.45.
  • Third tranche: 6,700 shares disposed at a weighted average price of $25.6903, with prices ranging from $25.47 to $25.89.
  • Post-transaction direct holdings: 318,039 shares held directly by Cochran following all three dispositions, according to the filing.
  • 10b5-1 plan: All sales were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025.
  • Indirect holdings: Cochran also holds shares indirectly through multiple trusts and GRATs, including 7,583,085 shares held by the Caroline DeWitte Family Trust.

Cochran's November 2 Transactions in Oklo Class A Common Stock

Caroline Cochran, who serves as Co-Founder and Chief Operating Officer of Oklo Inc. (NYSE:OKLO), a nuclear energy company, reported three same-day dispositions of Class A Common Stock on November 2, 2026. According to the filing, each sale was coded "S" and carried out under a Rule 10b5-1 plan that Cochran adopted on March 31, 2025. The use of a 10b5-1 plan means the transactions were pre-scheduled under a written arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

The filing reports that after all three dispositions, Cochran directly held 318,039 shares of Class A Common Stock. In addition, the filing discloses a substantial number of shares held indirectly. These include 7,583,085 shares by the Caroline DeWitte Family Trust, 509,479 shares by the Caroline Cochran GRAT, 1,000,000 shares by the Caroline DeWitte GRAT No. 2, and 474,011 shares by the Caroline DeWitte GRAT No. 3.

The filing also discloses shares attributed to Cochran's spouse, Jacob DeWitte. Three corresponding dispositions of 16,750, 16,550, and 6,700 shares were reported as indirectly held by Jacob DeWitte, with post-transaction balances of 374,783, 358,233, and 351,533 shares respectively at each stage. Additional indirect holdings through the Jacob DeWitte Family Trust (7,851,901 shares), Jacob DeWitte GRAT (476,483 shares), Jacob DeWitte GRAT No. 2 (1,000,000 shares), and Jacob DeWitte GRAT No. 3 (506,807 shares) are also listed. The filing directs readers to Oklo's most recent definitive proxy statement for further information on the equity held by Cochran and her spouse.

What Was Disclosed

The filing disclosed three dispositions of Oklo Class A Common Stock by Co-Founder and COO Caroline Cochran on November 2, 2026, all under a pre-adopted 10b5-1 plan, along with extensive indirect beneficial ownership through family trusts and GRATs.