# EDGAR Filing Document

**Accession Number:** 0001849056
**File Stem:** 9999999995-25-001853
**Filing Date:** 2025-6
**Character Count:** 1375
**Document Hash:** b99b96767fe809d43cb4b141ff6caa94
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-001853.hdr.sgml**: 20250609

**ACCESSION NUMBER**: 9999999995-25-001853

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250606

**DATE AS OF CHANGE**: 20250609

**EFFECTIVENESS DATE**: 20250606

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Oklo Inc.
- **CENTRAL INDEX KEY:** 0001849056
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC SERVICES [4911]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-280344
- **FILM NUMBER:** 251032721

**BUSINESS ADDRESS:**
- **STREET 1:** 3190 CORONADO DR.
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054
- **BUSINESS PHONE:** 650-550-0127

**MAIL ADDRESS:**
- **STREET 1:** 3190 CORONADO DR.
- **CITY:** SANTA CLARA
- **STATE:** CA
- **ZIP:** 95054

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AltC Acquisition Corp.
- **DATE OF NAME CHANGE:** 20210303

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** June 6, 2025

**Accession Number:** 0001104659-25-055252

**Form Type:** POS AM

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**CIK:** 0001849056

**Company Name:** Oklo Inc.

**File Number:** 333-280344