AmBase Corp

ABCP · OTC · SIC 6512: Opeators of Nonresidential Buildings
264
SEC Filings

Business Summary

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.

Next Earnings

Q2 FY2026 — expected 2026-09-21

Key Facts from Earnings Calls

TypeSubjectDetailQuarter
topic_mentionABCPdiscussed_in_filing Cybersecurity
topic_mentionABCPdiscussed_in_filing Trusted Computing
topic_mentionABCPdiscussed_in_filing Blockchain & Crypto
topic_mentionABCPdiscussed_in_filing Supply Chain
topic_mentionABCPdiscussed_in_filing Regulation
topic_mentionABCPdiscussed_in_filing Platform & Ecosystem
topic_mentionABCPdiscussed_in_filing Sovereign & Government
topic_mentionABCPdiscussed_in_filing Cybersecurity
topic_mentionABCPdiscussed_in_filing Trusted Computing
topic_mentionABCPdiscussed_in_filing Blockchain & Crypto
topic_mentionABCPdiscussed_in_filing Supply Chain
topic_mentionABCPdiscussed_in_filing Regulation
topic_mentionABCPdiscussed_in_filing Platform & Ecosystem
topic_mentionABCPdiscussed_in_filing Sovereign & Government
topic_mentionABCPdiscussed_in_filing Cybersecurity
topic_mentionABCPdiscussed_in_filing Trusted Computing
topic_mentionABCPdiscussed_in_filing Blockchain & Crypto
topic_mentionABCPdiscussed_in_filing Supply Chain
topic_mentionABCPdiscussed_in_filing Regulation
topic_mentionABCPdiscussed_in_filing Platform & Ecosystem

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-03-302025-12-310001140361-26-012027EDGAR35K words
2025-03-242024-12-310001140361-25-010025EDGAR—
2024-03-182023-12-310001140361-24-013921EDGAR—
2023-03-282022-12-310001140361-23-014268EDGAR—
2022-03-252021-12-310001140361-22-011171EDGAR—
2021-03-242020-12-310001140361-21-009786EDGAR—
2020-03-252019-12-310001140361-20-006793EDGAR—
2019-03-272018-12-310001140361-19-005745EDGAR—
2018-03-302017-12-310000020639-18-000018EDGAR—
2017-03-302016-12-310000020639-17-000004EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2025-11-062025-09-300001140361-25-040725EDGAR20K words
2025-08-132025-06-300001140361-25-030759EDGAR—
2025-05-132025-03-310001140361-25-018623EDGAR—
2024-11-132024-09-300001140361-24-046383EDGAR—
2024-08-092024-06-300001140361-24-036570EDGAR—
2024-05-092024-03-310001140361-24-025152EDGAR—
2023-11-092023-09-300001140361-23-052306EDGAR—
2023-08-012023-06-300001140361-23-037329EDGAR—
2023-05-022023-03-310001140361-23-022379EDGAR—
2022-11-032022-09-300001140361-22-039782EDGAR—
2022-08-052022-06-300001140361-22-028298EDGAR—
2022-05-052022-03-310001140361-22-017767EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-03-040001140361-26-007783EDGAR3K words
2026-02-250001140361-26-006772EDGAR—
2026-01-290001140361-26-002808EDGAR—
2026-01-210001140361-26-001845EDGAR—
2025-12-190001140361-25-046179EDGAR—
2025-11-260001140361-25-043442EDGAR—
2025-09-290001140361-25-036484EDGAR—
2025-09-110001140361-25-034689EDGAR—
2025-07-250001140361-25-027288EDGAR—
2025-06-230001140361-25-023344EDGAR—

264 total filings indexed. 232 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AWCA — Awaysis Capital, Inc. GYRO — Gyrodyne, LLC MAYS — MAYS J W INC PDM — Piedmont Realty Trust, Inc. TPHS — Trinity Place Holdings Inc. ZDPY — Zoned Properties, Inc.

Tags

holding-company-/-asset-management real-estate-development retail-and-consumer-banking-(historical) mortgage-banking-(historical)

Company Identity

CIK0000020639
TickerABCP
ExchangeOTC
SIC6512: Opeators of Nonresidential Buildings
HeadquartersCoral Springs, Florida

Get More Data

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JSON Profile Stock Quote AI Readiness Report
Origin Provenance
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signed: 2026-04-13T04:43:24.931Z
sources: 22 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf