---
schema_version: "secwatch.filing_event.v1"
accession: "0000950142-25-002829"
form_type: "8-K"
ticker: "IONQ"
cik: "0001824920"
company_name: "IonQ, Inc."
filed_at: "2025-10-17T23:59:59+00:00"
generated_at: "2026-05-17T03:25:21.653998+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# IonQ files prospectus supplement for resale of 6.65M shares by selling stockholders

## Summary
- Prospectus supplement filed Oct 16, 2025 covering resale of 6,649,263 common shares.
- Shares are being offered by certain selling stockholders, not the company.
- Legal opinion of Paul, Weiss, Rifkind, Wharton & Garrison LLP filed as Exhibit 5.1.
- Registration statement on Form S-3ASR filed Feb 26, 2025 (File No. 333-285279) is referenced.

## SEC filing metadata
- accession: 0000950142-25-002829
- form_type: 8-K
- ticker: IONQ
- cik: 0001824920
- company_name: IonQ, Inc.
- filed_at: 2025-10-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1824920/000095014225002829/0000950142-25-002829-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1824920/000095014225002829/eh250693305_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950142-25-002829
- JSON: https://secwatch.observer/filing/0000950142-25-002829.json
- Plain text: https://secwatch.observer/filing/0000950142-25-002829.txt

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