---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-013496"
form_type: "8-K"
ticker: "DFNS"
cik: "0001787518"
company_name: "T3 Defense Inc."
filed_at: "2026-02-09T23:59:59+00:00"
generated_at: "2026-05-16T03:55:19.284386+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Nukkleus rebrands as T3 Defense Inc., ticker changes to DFNS effective Feb 9, 2026

## Summary
- Name changed to T3 Defense Inc.; new ticker DFNS on Nasdaq effective Feb 9, 2026.
- No action required by shareholders; CUSIP unchanged.
- Press release cites strategic focus on acquiring defense businesses at industrial bottlenecks.
- CEO Menny Shalom notes portfolio includes programs like Iron Dome and long-cycle defense contracts.

## SEC filing metadata
- accession: 0001213900-26-013496
- form_type: 8-K
- ticker: DFNS
- cik: 0001787518
- company_name: T3 Defense Inc.
- filed_at: 2026-02-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1787518/000121390026013496/0001213900-26-013496-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1787518/000121390026013496/ea0276078-8k_t3defense.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-013496
- JSON: https://secwatch.observer/filing/0001213900-26-013496.json
- Plain text: https://secwatch.observer/filing/0001213900-26-013496.txt

## Source-grounded claims
- claim_id: db0c762bdce9dfbcb0621b5fb2efdbedb87d1e86
  claim: T3 Defense Inc.: Name change to T3 Defense Inc. via certificate of correction to amendment of Amended and Restated Certificate of Incorporation (effective 2026-02-09).
  evidence_excerpt: Effective February 9, 2026, Nukkleus Inc. (the “Company”) changed its name by the filing of a certificate of correction to the Amendment to its Amended and Restated Certificate of Incorporation with the Secretary of State of the State of Delaware to change the name of the Company to “T3 Defense Inc.”
  evidence_url: https://www.sec.gov/Archives/edgar/data/1787518/000121390026013496/0001213900-26-013496-index.htm

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