---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-22-008556"
form_type: "8-K"
ticker: "DFNS"
cik: "0001787518"
company_name: "T3 Defense Inc."
filed_at: "2022-02-22T23:59:59+00:00"
generated_at: "2026-06-27T06:14:28.695014+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Two directors resign from Brilliant Acquisition board during business combination process

## Summary
- Mitchell Cariaga resigned from Board, Audit Committee, and Compensation Committee effective Feb 15, 2022.
- Xiaoying Sun resigned from Board, as Audit Committee chair, and from Compensation Committee effective Feb 18, 2022.
- Both resigned due to no longer wishing to participate in the business combination process.
- Company is actively seeking candidates to replace the resigning board members.
- Departures leave two vacant positions; no replacements named yet.

## SEC filing metadata
- accession: 0001213900-22-008556
- form_type: 8-K
- ticker: DFNS
- cik: 0001787518
- company_name: T3 Defense Inc.
- filed_at: 2022-02-22T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1787518/000121390022008556/0001213900-22-008556-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1787518/000121390022008556/ea155955-8k_brilliantacq.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-22-008556
- JSON: https://secwatch.observer/filing/0001213900-22-008556.json
- Plain text: https://secwatch.observer/filing/0001213900-22-008556.txt

## Key facts
- Executive change
  Mitchell Cariaga resigned as Director at T3 Defense Inc..
  - Action: resigned
  - Role: Director
  source text: On February 15, 2022, Mitchell Cariaga notified Brilliant Acquisition Corporation (the “Company”) that he is resigning from the Board of Directors (the “Board”) of the Company effective on that date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1787518/000121390022008556/0001213900-22-008556-index.htm
- Executive change
  Xiaoying Sun resigned as Director at T3 Defense Inc..
  - Action: resigned
  - Role: Director
  source text: On February 18, 2022, Xiaoying Sun notified the Company that she is resigning from the Board effective on that date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1787518/000121390022008556/0001213900-22-008556-index.htm

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