---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-008585"
form_type: "8-K"
ticker: "ABCP"
cik: "0000020639"
company_name: "AmBase Corp"
filed_at: "2025-03-13T23:59:59+00:00"
generated_at: "2026-05-24T21:41:54.098257+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# AmBase obtains $100K promissory note from CEO Bianco at 6.5% for working capital

## Summary
- CEO Richard A. Bianco lends $100,000 to AmBase at 6.5% annual interest; principal and interest due on earlier of receipt of settlement funds (excluding litigation funding) or March 31, 2028.
- Bianco may convert amounts due into a litigation funding agreement on a pari-passu basis with any third-party litigation funder.
- Company faces going concern qualification; continues seeking up to $5 million in third-party litigation funding.
- Loan proceeds are for working capital; company has limited cash and relies on 111 West 57th litigation recovery.

## SEC filing metadata
- accession: 0001140361-25-008585
- form_type: 8-K
- ticker: ABCP
- cik: 0000020639
- company_name: AmBase Corp
- filed_at: 2025-03-13T23:59:59+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/20639/000114036125008585/0001140361-25-008585-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/20639/000114036125008585/ef20045280_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-008585
- JSON: https://secwatch.observer/filing/0001140361-25-008585.json
- Plain text: https://secwatch.observer/filing/0001140361-25-008585.txt

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