AmBase Corporation is a Delaware-incorporated holding company primarily engaged in managing its assets and liabilities. As of December 31, 2025, its assets consisted primarily of cash and cash equivalents. The company holds an equity interest in a real estate development at 111 West 57th Street, New York, though it recorded a full impairment in 2017 following a Strict Foreclosure. AmBase is involved in ongoing litigation related to that property.
Q2 FY2026 — expected 2026-09-21
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-03-30 | 2025-12-31 | 0001140361-26-012027 | EDGAR | 35K words |
| 2025-03-24 | 2024-12-31 | 0001140361-25-010025 | EDGAR | — |
| 2024-03-18 | 2023-12-31 | 0001140361-24-013921 | EDGAR | — |
| 2023-03-28 | 2022-12-31 | 0001140361-23-014268 | EDGAR | — |
| 2022-03-25 | 2021-12-31 | 0001140361-22-011171 | EDGAR | — |
| 2021-03-24 | 2020-12-31 | 0001140361-21-009786 | EDGAR | — |
| 2020-03-25 | 2019-12-31 | 0001140361-20-006793 | EDGAR | — |
| 2019-03-27 | 2018-12-31 | 0001140361-19-005745 | EDGAR | — |
| 2018-03-30 | 2017-12-31 | 0000020639-18-000018 | EDGAR | — |
| 2017-03-30 | 2016-12-31 | 0000020639-17-000004 | EDGAR | — |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2025-11-06 | 2025-09-30 | 0001140361-25-040725 | EDGAR | 20K words |
| 2025-08-13 | 2025-06-30 | 0001140361-25-030759 | EDGAR | — |
| 2025-05-13 | 2025-03-31 | 0001140361-25-018623 | EDGAR | — |
| 2024-11-13 | 2024-09-30 | 0001140361-24-046383 | EDGAR | — |
| 2024-08-09 | 2024-06-30 | 0001140361-24-036570 | EDGAR | — |
| 2024-05-09 | 2024-03-31 | 0001140361-24-025152 | EDGAR | — |
| 2023-11-09 | 2023-09-30 | 0001140361-23-052306 | EDGAR | — |
| 2023-08-01 | 2023-06-30 | 0001140361-23-037329 | EDGAR | — |
| 2023-05-02 | 2023-03-31 | 0001140361-23-022379 | EDGAR | — |
| 2022-11-03 | 2022-09-30 | 0001140361-22-039782 | EDGAR | — |
| 2022-08-05 | 2022-06-30 | 0001140361-22-028298 | EDGAR | — |
| 2022-05-05 | 2022-03-31 | 0001140361-22-017767 | EDGAR | — |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-07-31 | 0001140361-26-030442 | EDGAR | 1K words |
| 2026-03-04 | 0001140361-26-007783 | EDGAR | 3K words |
| 2026-02-25 | 0001140361-26-006772 | EDGAR | — |
| 2026-01-29 | 0001140361-26-002808 | EDGAR | — |
| 2026-01-21 | 0001140361-26-001845 | EDGAR | — |
| 2025-12-19 | 0001140361-25-046179 | EDGAR | — |
| 2025-11-26 | 0001140361-25-043442 | EDGAR | — |
| 2025-09-29 | 0001140361-25-036484 | EDGAR | — |
| 2025-09-11 | 0001140361-25-034689 | EDGAR | — |
| 2025-07-25 | 0001140361-25-027288 | EDGAR | — |
265 total filings indexed. 233 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR
| CIK | 0000020639 |
| Ticker | ABCP |
| Exchange | OTC |
| SIC | 6512: Opeators of Nonresidential Buildings |
| Headquarters | Coral Springs, Florida |
This is a static snapshot. For live, structured JSON with cryptographic provenance chain:
MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp
Try it — paste this into your AI:
Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.
claude mcp add origin --transport http https://origin.rootz.global/mcpGET https://origin.rootz.global/api/company/ABCP (~200 tokens, structured JSON with cryptographic provenance)