---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-030433"
form_type: "8-K"
ticker: "CBRRF"
cik: "0001845149"
company_name: "Chain Bridge I"
filed_at: "2025-04-10T23:59:59+00:00"
generated_at: "2026-05-23T17:29:04.621122+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Chain Bridge I terminates Phytanix Bio merger agreement; appoints RBSM as new auditor

## Summary
- Mutual termination of Business Combination Agreement with Phytanix Bio effective April 7, 2025.
- Frank, Rimerman dismissed as independent auditor on April 4, 2025; RBSM engaged for fiscal 2024.
- Unaudited Q3 2024 financials to be restated due to $200,000 understatement of promissory note liability.
- Material weakness in internal controls over financial reporting identified as of September 30, 2024.
- Company working to file amended Form 10-Q and Form 10-K for fiscal 2024 with RBSM.

## SEC filing metadata
- accession: 0001213900-25-030433
- form_type: 8-K
- ticker: CBRRF
- cik: 0001845149
- company_name: Chain Bridge I
- filed_at: 2025-04-10T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.02, 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1845149/000121390025030433/0001213900-25-030433-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1845149/000121390025030433/ea0237763-8k_chain1.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-030433
- JSON: https://secwatch.observer/filing/0001213900-25-030433.json
- Plain text: https://secwatch.observer/filing/0001213900-25-030433.txt

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