---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-046179"
form_type: "8-K"
ticker: "ABCP"
cik: "0000020639"
company_name: "AmBase Corp"
filed_at: "2025-12-19T23:59:59+00:00"
generated_at: "2026-05-16T12:39:16.941372+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# AmBase enters $300K promissory note with CEO at 6.5% for working capital

## Summary
- $300,000 loan from Chairman/CEO Richard A. Bianco at 6.5% interest; due earlier of litigation settlement or Dec 31, 2028.
- Proceeds for general working capital; note can be converted into a litigation funding agreement pari passu with other funders.
- Company continues to evaluate additional funding up to $5M via third-party litigation funders at market terms.
- Going concern qualification previously disclosed; cash needed to continue operations and pursue 111 West 57th Property litigation.

## SEC filing metadata
- accession: 0001140361-25-046179
- form_type: 8-K
- ticker: ABCP
- cik: 0000020639
- company_name: AmBase Corp
- filed_at: 2025-12-19T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/20639/000114036125046179/0001140361-25-046179-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/20639/000114036125046179/ef20061599_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-046179
- JSON: https://secwatch.observer/filing/0001140361-25-046179.json
- Plain text: https://secwatch.observer/filing/0001140361-25-046179.txt

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