---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-093085"
form_type: "8-K"
ticker: "OKLO"
cik: "0001849056"
company_name: "Oklo Inc."
filed_at: "2021-07-16T23:59:59+00:00"
generated_at: "2026-06-30T04:54:33.161646+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# AltC Acquisition Corp. closes $500M IPO, $500M placed in trust

## Summary
- IPO of 50M shares at $10.00 per share, including full over-allotment, gross proceeds of $500M.
- Private placement of 1.45M shares to sponsor AltC Sponsor LLC at $1.00 per share, gross proceeds $14.5M.
- $500M deposited in trust account with Continental Stock Transfer & Trust Co. as trustee.
- Audited balance sheet shows total assets $505.3M, Class A stock subject to redemption $482.7M, equity $5.0M.
- Sponsor agreed to lock-up on private placement shares for 30 days after initial business combination.

## SEC filing metadata
- accession: 0001104659-21-093085
- form_type: 8-K
- ticker: OKLO
- cik: 0001849056
- company_name: Oklo Inc.
- filed_at: 2021-07-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1849056/000110465921093085/0001104659-21-093085-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1849056/000110465921093085/tm2122381d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-093085
- JSON: https://secwatch.observer/filing/0001104659-21-093085.json
- Plain text: https://secwatch.observer/filing/0001104659-21-093085.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.