---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-066359"
form_type: "8-K"
ticker: "BSTR"
cik: "0002083583"
company_name: "BSTR Holdings, Inc."
filed_at: "2026-06-08T21:12:13+00:00"
generated_at: "2026-06-08T21:14:58.097160+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# BSTR Newco upsizes loan by $1.1M to $3.6M; S-4 for business combination effective June 5

## Summary
- Loan principal increased by $1.1M to $3.6M via Amendment No. 1 dated June 2, 2026.
- Interest at SOFR + 3.90%, payable annually; principal due at earliest of deal closing, dissolution, or March 2028.
- Proceeds fund operating costs and transaction expenses related to pending business combination with Cantor Equity Partners I (CEPO).
- Registration statement for business combination declared effective June 5, 2026; proxy mailed to CEPO shareholders.

## SEC filing metadata
- accession: 0001213900-26-066359
- form_type: 8-K
- ticker: BSTR
- cik: 0002083583
- company_name: BSTR Holdings, Inc.
- filed_at: 2026-06-08T21:12:13+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2083583/000121390026066359/0001213900-26-066359-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2083564/000121390026066359/ea0293974-8k425_bstr.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-066359
- JSON: https://secwatch.observer/filing/0001213900-26-066359.json
- Plain text: https://secwatch.observer/filing/0001213900-26-066359.txt

## Key facts
- Debt Financings
  BSTR Holdings, Inc. incurred loan of $2,500,000 with BSTR Holdings (Cayman) at the 90-day average Secured Overnight Financing Rate (SOFR), as published by the maturing upon the earlier to occur of (i) the consummation of the transactions contemplated by the Business Combination Agreement, as may be amended from time to time, (.
  - Instrument: loan
  - Principal: $2,500,000
  - Counterparty: BSTR Holdings (Cayman)
  - Rate: the 90-day average Secured Overnight Financing Rate (SOFR), as published by the
  - Maturity: upon the earlier to occur of (i) the consummation of the transactions contemplated by the Business Combination Agreement, as may be amended from time to time, (
  - Event: incurrence
  source text: BSTR Newco, LLC, a Delaware limited liability company (“BSTR”), as borrower, entered into a loan agreement (the “Loan Agreement”) with BSTR Holdings (Cayman), a Cayman Island exempted company (the “Lender”), as lender, pursuant to which the Lender agreed to lend BSTR a principal sum of $2,500,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2083583/000121390026066359/0001213900-26-066359-index.htm
- Debt Financings
  BSTR Holdings, Inc. amended loan of increased by $1,100,000, from $2,500,000 to $3,600,000 with BSTR Holdings (Cayman) at the same interest rate as the original Loan Agreement.
  - Instrument: loan
  - Principal: increased by $1,100,000, from $2,500,000 to $3,600,000
  - Counterparty: BSTR Holdings (Cayman)
  - Rate: the same interest rate as the original Loan Agreement
  - Event: amendment
  source text: On June 2, 2026, BSTR and the Lender entered into Amendment No. 1 to the Loan Agreement (the “Amendment”), pursuant to which the principal sum under the Loan Agreement was increased by $1,100,000, from $2,500,000 to $3,600,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2083583/000121390026066359/0001213900-26-066359-index.htm
- Material Agreements
  BSTR Holdings, Inc. amended Amendment No. 1 to the Loan Agreement with BSTR Holdings (Cayman) valued at $1,100,000 (effective 2026-06-02).
  - Action: amendment
  - Agreement: credit facility
  - Counterparty: BSTR Holdings (Cayman)
  - Value: $1,100,000
  - Effective: 2026-06-02
  source text: On June 2, 2026, BSTR and the Lender entered into Amendment No. 1 to the Loan Agreement (the “Amendment”), pursuant to which the principal sum under the Loan Agreement was increased by $1,100,000, from $2,500,000 to $3,600,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2083583/000121390026066359/0001213900-26-066359-index.htm
- Material Agreements
  BSTR Holdings, Inc. entered into Loan Agreement with BSTR Holdings (Cayman) valued at $2,500,000 (effective 2026-03-15).
  - Action: entry
  - Agreement: credit facility
  - Counterparty: BSTR Holdings (Cayman)
  - Value: $2,500,000
  - Effective: 2026-03-15
  source text: On March 15, 2026, BSTR Newco, LLC, a Delaware limited liability company (“BSTR”), as borrower, entered into a loan agreement (the “Loan Agreement”) with BSTR Holdings (Cayman), a Cayman Island exempted company (the “Lender”), as lender, pursuant to which the Lender agreed to lend BSTR a principal sum of $2,500,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2083583/000121390026066359/0001213900-26-066359-index.htm

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