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Oklo Inc.'s major shareholders Jacob DeWitte and Caroline Cochran filed Amendment No. 6 to their Schedule 13D, reporting beneficial ownership of 20,559,091 Class A shares, or 11.1% of the class, based on 184,836,005 shares outstanding as of July 1, 2026.
The filing details holdings across personal accounts, grantor retained annuity trusts and family trusts, plus restricted stock units expected to vest within 60 days. It also reports open-market sales of 200,000 shares on June 1, 2026 and another 200,000 shares on July 1, 2026 under a pre-arranged Rule 10b5-1 trading plan.
Oklo Inc. Chief Financial Officer Richard Craig Bealmear reported an exercise-and-sell transaction in company stock. On July 1, 2026, he exercised stock options to acquire 16,321 shares of Class A Common Stock at $3.18 per share, then sold 16,321 shares at $52.63 per share in an open-market transaction pursuant to a Rule 10b5-1 trading plan adopted on September 22, 2025.
On July 2, 2026, he exercised additional options for 5,775 shares at $3.18 per share and retained those shares. Following these transactions, he directly holds 450,332 shares of Class A Common Stock and 658,211 stock options that are exercisable into Class A shares, with the reported option grant vesting 20% on August 1, 2024 and the remainder in 48 monthly installments through its December 22, 2033 expiration.
Oklo Inc. director and Co-Founder/CEO Jacob DeWitte reported open‑market sales of Class A Common Stock by entities associated with him and his spouse. On July 1, 2026, a total of 200,000 shares were sold in four transactions at reported weighted average prices between about $51.52 and $54.30, including 40,000 shares at $53.28, 60,000 at $52.30, 40,000 at $53.71, and 60,000 at $52.80. The filing notes these sales were effected pursuant to a Rule 10b5-1 plan adopted on March 31, 2025. After these transactions, various indirect holdings show balances such as 569,479 shares held by a Caroline Cochran GRAT and 511,533 shares held directly by DeWitte, alongside multi‑million‑share family trusts.
Oklo Inc. Co-Founder and COO Caroline Cochran reported pre-planned sales of 200,000 shares of Class A Common Stock on July 1, 2026. The transactions, executed by GRATs, family trusts and spouse-related accounts, were open-market sales at prices around the low-to-mid $50s per share.
A Rule 10b5-1 trading plan adopted on March 31, 2025 governed the sales, indicating they were scheduled in advance. After the trades, reported positions remained sizable, including 536,483 shares in one Jacob DeWitte GRAT, 569,479 shares in a Caroline Cochran GRAT and 478,039 shares in an account reported as held by her spouse.
OKLO reported a proposed sale of 16,321 Class A shares via a stock option exercise to be effected on 07/01/2026 for cash through Fidelity Brokerage Services LLC. The filing also lists recent dispositions by Richard C. Bealmear, including 16,342 shares on 04/01/2026 for $834,749.36 and 73,081 shares on 06/01/2026 for $5,000,236.58.
Oklo Inc. filed an amended quarterly report for the period ended March 31, 2026, solely to correct the conformed signature on the CFO’s certification; the underlying financial and other information remains unchanged from the original filing.
For the quarter, Oklo reported a net loss of $33.1 million, or $0.19 per share, as it continues to invest heavily in developing advanced fission powerhouses, fuel recycling, and radioisotope production. Research and development expenses rose to $27.0 million and general and administrative costs to $24.2 million, reflecting headcount growth and higher stock-based compensation.
Despite ongoing losses, Oklo’s liquidity strengthened significantly, with $2.54 billion in cash, cash equivalents, and marketable debt securities and $2.70 billion in total assets, largely driven by raising about $1.18 billion of net proceeds through an at-the-market equity program. The company expects its current cash resources to fund operations for at least one year while it advances key regulatory milestones, fuel facilities, and customer agreements for its Aurora powerhouses and isotope business.
Kan Derek T. reported acquisition or exercise transactions in this Form 4 filing.
Oklo Inc. director Derek T. Kan received a grant of 3,213 Restricted Stock Units (RSUs), each representing one share of Class A Common Stock. These RSUs vest in full on June 3, 2027, meaning the shares are delivered only if the vesting conditions are met.
Following this award, Kan holds 7,912 RSUs in total. This is a compensation-related equity grant, not an open‑market stock purchase or sale, and therefore does not reflect a trading decision based on Oklo’s share price.
CHRISTIAN DAVID A reported acquisition or exercise transactions in this Form 4 filing.
Oklo Inc. director David A. Christian received a grant of 3,213 Restricted Stock Units, each representing a contingent right to one share of Class A Common Stock. These RSUs were awarded as compensation at no cash cost to him and are not an open-market purchase.
The restricted stock units vest in full on June 3, 2027. Following this award, Christian holds a total of 7,912 RSUs tied to Oklo Class A Common Stock, aligning a portion of his compensation with the company’s future share performance.
Kinzley Richard reported acquisition or exercise transactions in this Form 4 filing.
Oklo Inc. director Richard Kinzley reported a compensation grant of 3,213 Restricted Stock Units (RSUs) tied to Oklo’s Class A Common Stock. Each RSU represents the right to receive one share in the future. The RSUs vest in full on June 3, 2027, and Kinzley now holds 3,213 RSUs directly following this award.
Jansen John M reported acquisition or exercise transactions in this Form 4 filing.
Oklo Inc. director John M. Jansen received a grant of 3,213 restricted stock units as equity compensation. Each unit represents a contingent right to receive one share of Oklo’s Class A Common Stock. The restricted stock units vest in full on June 3, 2027, after which the underlying shares may be delivered, assuming vesting conditions are met.