Oklo Inc. SEC filings OKLO
Oklo Inc. has 494 filings in SEC EDGAR's recent list, going back to Mar 15, 2021. Its latest annual report, Form ARS, was filed on May 4, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 6, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Sep 11, 2026 (material agreement, agreement ended). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | Sep 11, 2026 | — |
| S-8 | Employee stock plan registration | Jun 24, 2026 | — |
| 424B5 | Prospectus supplement | May 13, 2026 | — |
| 424B5 | Prospectus supplement | Dec 4, 2025 | — |
| S-3/A | Filing | Nov 13, 2025 | — |
| S-3 | Shelf registration | Oct 30, 2025 | — |
| 424B5 | Prospectus supplement | Sep 3, 2025 | — |
| 424B5 | Prospectus supplement | Jun 13, 2025 | — |
| 424B5 | Prospectus supplement | Jun 12, 2025 | — |
| S-3/A | Filing | Jun 10, 2025 | — |
| 424B3 | Prospectus | Jun 9, 2025 | — |
| 424B3 | Prospectus | Jun 9, 2025 | — |
| S-3 | Shelf registration | Jun 2, 2025 | — |
| POS AM | Filing | Jun 2, 2025 | — |
| POS AM | Filing | Jun 2, 2025 | — |
| 424B3 | Prospectus | May 13, 2025 | — |
| 424B3 | Prospectus | May 13, 2025 | — |
| 424B3 | Prospectus | May 13, 2025 | — |
| S-1 | Registration statement | May 9, 2025 | — |
| 424B3 | Prospectus | May 7, 2025 | — |
| POS AM | Filing | Apr 25, 2025 | — |
| 424B3 | Prospectus | Apr 22, 2025 | — |
| 424B3 | Prospectus | Apr 22, 2025 | — |
| 424B3 | Prospectus | Mar 24, 2025 | — |
| 424B3 | Prospectus | Mar 24, 2025 | — |
| 424B3 | Prospectus | Mar 7, 2025 | — |
| 424B3 | Prospectus | Feb 5, 2025 | — |
| 424B3 | Prospectus | Jan 17, 2025 | — |
| 424B3 | Prospectus | Dec 27, 2024 | — |
| 424B3 | Prospectus | Nov 14, 2024 | — |
| 424B3 | Prospectus | Nov 13, 2024 | — |
| 424B3 | Prospectus | Nov 13, 2024 | — |
| 424B3 | Prospectus | Nov 6, 2024 | — |
| 424B3 | Prospectus | Oct 15, 2024 | — |
| 424B3 | Prospectus | Sep 18, 2024 | — |
| S-1/A | Amended registration statement | Aug 30, 2024 | — |
| S-8 | Employee stock plan registration | Jul 10, 2024 | — |
| S-1 | Registration statement | Jun 20, 2024 | — |
| 424B3 | Prospectus | Apr 26, 2024 | — |
| S-4/A | Filing | Apr 15, 2024 | — |
| S-4/A | Form s-4/a | Apr 2, 2024 | — |
| S-4/A | Filing | Jan 30, 2024 | — |
| S-4/A | Form s-4/a | Dec 22, 2023 | — |
| S-4/A | Form-s-4/a | Nov 13, 2023 | — |
| S-4 | Registration for a merger or exchange | Sep 27, 2023 | — |
| 424B4 | Prospectus | Jul 9, 2021 | — |
| S-1MEF | Filing | Jul 7, 2021 | — |
| S-1/A | Amended registration statement | Jun 21, 2021 | — |
| S-1/A | Amended registration statement | Jun 4, 2021 | — |
| S-1/A | Amended registration statement | May 7, 2021 | — |
| S-1 | Registration statement | Mar 15, 2021 | — |
Showing 51 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electric Services (SIC 4911)
- Listed as
- OKLO (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Santa Clara, CA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1849056
- Former names
- AltC Acquisition Corp. (until May 8, 2024)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.