---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-064712"
form_type: "8-K"
ticker: "CBRRF"
cik: "0001845149"
company_name: "Chain Bridge I"
filed_at: "2026-06-03T20:01:14+00:00"
generated_at: "2026-06-03T20:02:58.263410+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Chain Bridge I extends senior note maturity to Nov 2026 and raises $250K via discounted notes

## Summary
- Extended $1.25M senior note maturity from June 30, 2026 to Nov 15, 2026; removed certain event of default.
- Issued $312,500 principal of unsecured promissory notes for $250,000 (20% discount), due Nov 15, 2026.
- Proceeds to fund business combination expenses and general corporate purposes.
- Note holders may exchange principal for a new series of preferred shares on mutually agreed terms.
- Notes rank junior to permitted senior indebtedness and senior to other debt.

## SEC filing metadata
- accession: 0001213900-26-064712
- form_type: 8-K
- ticker: CBRRF
- cik: 0001845149
- company_name: Chain Bridge I
- filed_at: 2026-06-03T20:01:14+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1845149/000121390026064712/0001213900-26-064712-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1845149/000121390026064712/ea0293397-8k_chain1.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-064712
- JSON: https://secwatch.observer/filing/0001213900-26-064712.json
- Plain text: https://secwatch.observer/filing/0001213900-26-064712.txt

## Key facts
- Debt Financings
  Chain Bridge I amended loan of $1,250,000 with C/M Capital Master Fund LP at non-interest bearing maturing November 15, 2026.
  - Instrument: loan
  - Principal: $1,250,000
  - Counterparty: C/M Capital Master Fund LP
  - Rate: non-interest bearing
  - Maturity: November 15, 2026
  - Event: amendment
  source text: On May 28, 2026, the Chain Bridge I (the “Company”) entered into Amendment No. 1 (the “Amendment No. 1”) to the unsecured, non-interest bearing promissory note in the aggregate amount of $1,250,000 (the “Senior Note”), originally issued on September 30, 2025, held by C/M Capital Master Fund LP (the “Existing Lender”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1845149/000121390026064712/0001213900-26-064712-index.htm
- Debt Financings
  Chain Bridge I incurred loan of $312,500 with certain investors at non-interest bearing maturing November 15, 2026.
  - Instrument: loan
  - Principal: $312,500
  - Counterparty: certain investors
  - Rate: non-interest bearing
  - Maturity: November 15, 2026
  - Event: incurrence
  source text: On May 28, 2026, the Company issued certain unsecured, non-interest bearing promissory notes (the “Notes”) to certain investors (the “Lenders”) in the aggregate principal amount of $312,500, for an aggregate purchase price of $250,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1845149/000121390026064712/0001213900-26-064712-index.htm
- Material Agreements
  Chain Bridge I amended Amendment No. 1 with C/M Capital Master Fund LP (effective 2026-05-28).
  - Action: amendment
  - Counterparty: C/M Capital Master Fund LP
  - Effective: 2026-05-28
  source text: On May 28, 2026, the Chain Bridge I (the “Company”) entered into Amendment No. 1 (the “Amendment No. 1”) to the unsecured, non-interest bearing promissory note in the aggregate amount of $1,250,000 (the “Senior Note”), originally issued on September 30, 2025, held by C/M Capital Master Fund LP (the “Existing Lender”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1845149/000121390026064712/0001213900-26-064712-index.htm

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