Welcome to our dedicated page for Oklo SEC filings (Ticker: OKLO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Oklo Inc. (OKLO) SEC filings document the regulatory record of an advanced nuclear technology company developing fast fission power plants, nuclear fuel recycling and critical isotope supply. For Oklo, quarterly reports and amended quarterly reports are useful for reviewing operating updates, capital-structure disclosure, risk factors and the company’s description of its nuclear development activities.
Oklo’s Form 8-K filings are especially relevant because the company’s business can be affected by material agreements, financing arrangements, officer and director changes, shareholder voting results and other reported events. Recent 8-K categories include material definitive agreements, governance matters and annual meeting results. These filings help investors separate company-disclosed events from general market commentary about advanced nuclear power.
Annual reports, quarterly reports and proxy statements can also show how Oklo explains its business model, emerging growth company status, governance structure, executive compensation framework and stockholder voting matters. The company’s proxy materials and meeting-result filings provide details on board elections, auditor ratification and other shareholder matters.
For OKLO stock research, the most relevant filing types include Form 10-K for annual business and risk disclosure, Form 10-Q for quarterly updates, Form 8-K for material events, and DEF 14A proxy statements for governance and compensation information. These documents are central to understanding Oklo’s public-company obligations as it works on Aurora powerhouse commercialization, fuel recycling and isotope-related projects.
Oklo Inc. (OKLO) is the issuer for a planned sale of its Class A common stock under Rule 144 by stockholder Vivek Narayanadas. The notice covers a proposed sale of 223 Class A shares, to be received through restricted stock vesting from the issuer on 08/21/2026, with Fidelity Brokerage Services LLC as broker. The filing also lists prior sales of Class A shares by the same holder during the preceding three months, reported in compliance with Rule 144.
Oklo Inc. (OKLO) is named as the issuer in a Rule 144 notice filed for the planned sale of Class A common stock held for the account of William Carroll Murphy Goodwin, with Fidelity Brokerage Services LLC as broker. The notice covers 11,592 shares of Class A stock, with an aggregate market value of $461,019.64, when Oklo had 186,017,650 shares outstanding. The shares were acquired from Oklo through restricted stock vesting on 08/21/2026 as compensation. The filer notes that the sale includes an amount necessary to cover a tax obligation arising from settlement of a vested equity award distribution.
Oklo Inc. (OKLO) is the issuer of Class A common stock that John P. Hanson, an officer, has notified for potential sale under Rule 144. The notice covers 539 Class A shares, associated with restricted stock vesting on 08/21/2026 and held at Fidelity Brokerage Services LLC.
The filing notes that the sale will include an amount necessary to cover a tax obligation arising from the settlement of a vested equity award distribution. It also lists recent sales by John P. Hanson over the prior three months in Oklo Class A shares, with multiple transactions between June and July 2026.
Oklo Inc. (OKLO) is identified as the issuer in a notice that officer Vivek Narayanadas intends to sell Oklo Class A shares under Rule 144. The planned sale involves 3,264 Class A shares, to be handled through Fidelity Brokerage Services LLC, following restricted stock vesting on August 21, 2026.
The notice also lists prior sales of Oklo Class A shares by Vivek Narayanadas over the past three months, along with total dollar amounts realized. A remark states that the sale includes an amount necessary to cover a tax obligation from the settlement of a vested equity award distribution.
Oklo Inc. (OKLO) received a Form 144 notice indicating that Alexandra P. Renner may sell 557 Class A shares of Oklo common stock through Fidelity Brokerage Services LLC on the NYSE. The shares relate to restricted stock vesting on 08/21/2026 and are categorized as compensation. The notice states the sale includes an amount necessary to cover a tax obligation from settlement of a vested equity award. Over the prior three months, Renner sold 501 shares on 06/15/2026 for $30,282.24 and 1,195 shares on 07/17/2026 for $49,688.34. The form reports 186,017,650 Oklo Class A shares outstanding.
Oklo Inc. officer Alexandra Renner, Chief Product Officer, reported the vesting and settlement of 1,201 Restricted Stock Units (RSUs) into an equal number of shares of Class A Common Stock on August 13, 2026. Following this RSU conversion, she directly holds 473,336 shares of Class A Common Stock and 51,659 RSUs, plus an additional 123,153 shares held indirectly through a joint account with her spouse.
The vested RSUs are part of a prior grant of 72,081 RSUs awarded on March 13, 2025, which vests 20% of the underlying shares on March 13, 2026 and continues vesting thereafter in 48 substantially equal monthly installments.
Oklo Inc. officer John Hanson reported the vesting and conversion of 961 Restricted Stock Units (RSUs) into 961 shares of Class A Common Stock on August 13, 2026. Following this RSU conversion, he holds 41,327 RSUs and 359,969 shares of Class A Common Stock directly. These RSUs are part of a March 13, 2025 grant of 57,665 RSUs that vest 20% on March 13, 2026 and the remainder in 48 substantially equal monthly installments.
Oklo Inc. reported that Chief Legal & Strategy Officer William Carroll Murphy exercised 20,685 Restricted Stock Units on August 12, 2026, converting them into 20,685 shares of Class A Common Stock. These RSUs are part of a 248,227-unit grant awarded on August 12, 2024, which vests 20% after one year and then in 24 substantially equal monthly installments. Following this vesting, Murphy directly holds 56,860 shares of Class A Common Stock and 125,207 RSUs that remain outstanding.
Oklo Inc. is still in the development stage but began generating modest revenue, recording $1.21 million (in thousands) for the three and six months ended June 30, 2026, compared with none a year earlier. Operating expenses rose sharply, led by $39.47 million in research and development and $34.21 million in general and administrative costs for the quarter, resulting in a quarterly net loss of $48.54 million and a six‑month net loss of $81.60 million.
Liquidity is substantial: as of June 30, 2026, cash, cash equivalents, and marketable debt securities totaled $3.01 billion, supported by at-the-market equity programs that issued 23.1 million shares and raised net proceeds of $1.85 billion in the first half. Management states this balance is expected to fund operations for at least one year after the financial statements’ issuance.
Oklo continued to invest heavily in its advanced fission ecosystem. It acquired ARMEC and Creative Engineers for aggregate consideration of $33.38 million, adding precision manufacturing and chemical process engineering capabilities, and now carries $44.20 million of intangible assets and $16.54 million of goodwill. The company advanced multiple strategic projects, including its Aurora powerhouse, fuel recycling initiatives, and radioisotope production, highlighted by the Groves Isotope Test Reactor reaching startup authorization and first criticality shortly after quarter-end.
Oklo Inc. Chief Financial Officer Richard Craig Bealmear reported option-related transactions in Class A Common Stock. On August 3, 2026, he exercised stock options for 16,452 shares at an exercise price of $3.18 per share and sold 16,452 shares at $38.80 per share under a Rule 10b5-1 trading plan adopted on September 22, 2025. On August 4, 2026, he exercised additional stock options for 5,644 shares at $3.18 per share, with no sale reported for that lot.