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. is advancing its Aurora fast‑reactor program and expanded into radioisotopes by acquiring Atomic Alchemy for $28,424 thousand (stock consideration $27,408 thousand and $900 thousand cash). The acquisition preliminarily allocated $27,500 thousand to indefinite‑lived IPR&D (two projects, Abundantia $4,600k and Meitner $22,900k) and $6,720 thousand to goodwill.
On the balance sheet as of June 30, 2025, Oklo held total cash, cash equivalents and marketable debt securities of $682,965 thousand (cash $226,771k; marketable debt securities fair value $456,194k). For the six months ended June 30, 2025 the company reported a net loss of $34,495 thousand, loss from operations of $45,889 thousand, net cash used in operating activities of $30,714 thousand, and an accumulated deficit of $169,604 thousand. In June 2025 Oklo completed a public offering of 7,666,667 shares at $60.00 per share, raising gross proceeds of $460,000 thousand and net proceeds of $441,600 thousand. Management states existing liquidity is expected to fund operations for at least one year following these condensed financial statements.
Jacob DeWitte, Co-Founder and CEO of Oklo, reported significant insider transactions on June 24, 2025. The key details include:
- DeWitte gifted 600,000 shares of Class A Common Stock to a donor advised fund
- The transaction was executed at $0 per share and was permitted under the lock-up agreement with Goldman Sachs & Co. LLC and BofA Securities
- Following the transactions, DeWitte's holdings include: - 10,405,098 shares held directly - 10,102,108 shares held indirectly through spouse Caroline Cochran - 2,000,000 shares in Jacob DeWitte GRAT - 2,000,000 shares in Caroline Cochran GRAT
DeWitte maintains significant ownership as a Director, Officer (CEO), and 10% Owner of Oklo, demonstrating continued substantial stake in the company despite the charitable gift transaction.
Caroline Cochran, Co-Founder and COO of Oklo, reported significant insider transactions on June 24, 2025. As both a Director and 10% Owner, Cochran made two notable gifts of Class A Common Stock:
- Gifted 300,000 shares at $0 to a donor advised fund, maintaining direct ownership of 10,102,108 shares
- Additional 300,000 shares reported under indirect ownership through spouse Jacob DeWitte, with 10,405,098 shares remaining
- Maintains indirect ownership of 2,000,000 shares each through Caroline Cochran GRAT and Jacob DeWitte GRAT
The transactions were executed in compliance with the lock-up agreement dated June 12, 2025, with Goldman Sachs and BofA Securities. Total beneficial ownership post-transactions includes both direct and indirect holdings through various vehicles, demonstrating significant insider stake in the company.
Oklo (NYSE:OKLO) filed a Form 4 disclosing that Director and 10% owner Michael Klein, through M. Klein Associates and Allies Capital, sold 50,000 common shares on 06/23/2025 at weighted-average prices of $55.2205, $53.7064 and $55.2165, generating roughly $2.75 million in gross proceeds. Klein’s indirect holdings declined from 250,000 to 200,000 shares, a 20% reduction, yet he remains a significant shareholder and board member. No derivative securities were involved, and the filing does not mark the transactions as conducted under a Rule 10b5-1 plan. These insider dispositions may influence investor perception of insider sentiment.
Director Michael Klein and M. Klein Associates Report Significant Stock Sales at Oklo
Two significant insider transactions were reported at Oklo (OKLO) by Director Michael Klein and related entities:
- On June 18, 2025, sold 100,000 shares at an average price of $63.53 per share
- On June 20, 2025, disposed of 150,000 shares at an average price of $62.74 per share
The shares were held through two entities: M. Klein Associates and Allies Capital Corp, both controlled by Michael Klein. Following these transactions, the reporting persons retain beneficial ownership of 250,000 shares. The sales were executed through multiple transactions at varying prices, with the first batch ranging from $63.50-$63.64 and the second from $61.92-$63.51. This significant insider selling activity may warrant investor attention given Klein's position as both Director and 10% owner through his affiliated entities.