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AmBase Corp

corporate_fare Company Profile

AmBase Corp

ABCP·OTC·Real Estate & Construction·CIK 0000020639

AmBase is a holding company primarily engaged in managing its assets and liabilities. As of December 31, 2025, the company's assets mainly consisted of cash and cash equivalents. In June 2013, AmBase acquired an equity interest in a real estate development property located at 105 through 111 West 57th Street in New York, New York, through a joint venture. The company is involved in significant disputes and litigation concerning this 111 West 57th Property. In 2017, AmBase recorded an impairment for the full amount of its equity investment in the 111 West 57th Property, despite ongoing litigation challenging actions taken in connection with the "Strict Foreclosure." Before this Strict Foreclosure, the carrying value of this investment represented a substantial portion of the company's assets and net equity value. Historically, in August 1988, AmBase acquired Carteret Bancorp Inc., which, through its subsidiary Carteret Savings Bank, FA, was involved in retail and consumer banking, and mortgage banking, including mortgage servicing. Carteret Savings Bank, FA was placed in receivership on December 4, 1992. The company initiated legal proceedings in 1993 to recover damages from the United States Government for the loss of Carteret Savings Bank, F.A. The company had four full-time and two part-time employees at December 31, 2025. Its executive office is located at 7857 West Sample Road, Suite 134, Coral Springs, Florida 33065.

AmBase Corp (OTC:ABCP) is a publicly traded company in the Real Estate & Construction sector. Wiseek has independently scored 6 items for ABCP at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-07-31, rated 8/10. Across its 6 most recent items scored 7 or higher, the top rating is 9/10, with 5 rated 8 or above. Recent SEC coverage for ABCP spans 8-K, 10-Q, DEF 14A.

Recent high-impact activity:

  • AmBase CEO Adds $1M in Litigation Funding as Going Concern Warning Persists
  • AmBase Corp Issues Going Concern Warning, Secures $8M Related-Party Litigation Funding
  • AmBase Corp Secures $8M Insider Litigation Funding with Terms Highly Favorable to Executives
  • CEO Provides $6M Litigation Funding, Converts Debt to Sustain Going Concern Operations
  • CEO Provides $300,000 Senior Promissory Note to Fund Operations Amid Going Concern Warning

Financial Snapshot

Fiscal year ended December 31, 2025
Net Income
-$4.56M
Op. Cash Flow
-$2.33M
Operating Income
-$4.32M
Cash & Equivalents
$87K
Debt / Equity
0.00×
Shares Outstanding
84.94M sh
Source: 10-K · filed 2026-03-30 · accession 0001140361-26-012027

Short Interest & Short Volume

9.77 days to cover

FINRA reported short interest of 13,299 shares in ABCP as of the September 15, 2026 settlement, a 0.9% decrease from the prior period — about 9.8 days to cover at its recent average daily volume. On September 30, 2026, 50.0% of ABCP volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)13,299 shares as of September 15, 2026
Change vs prior period▼ 0.9%
Days to cover9.77 at avg daily volume of 1,361
Daily short volume (FINRA facilities)50.0% of 5,000 shares on September 30, 2026

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

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$0.2701 -0.01% today
52-week range · as of 2026-07-31 $0.1377 – $0.35
Market cap
$22.94M
Volume
5K (0.6× avg)
3-mo avg 9.1K
Live data · 2026-10-04 13:42 UTC · Market closed

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feed ABCP - Latest Insights

ABCP
Jul 31, 2026, 1:36 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $0.2625
Real-time Price: $0.2701 info
Change: +$0.0076 (+3%) info
Market Cap: $22.942M info
ABCP
May 11, 2026, 3:19 PM EDT
Filing Type: 10-Q
Importance Score:
9
Price at Filing: $0.200
Real-time Price: $0.2701 info
Change: +$0.0701 (+35%) info
Market Cap: $22.942M info
ABCP
Mar 31, 2026, 12:57 PM EDT
Filing Type: DEF 14A
Importance Score:
9
Price at Filing: $0.15514
Real-time Price: $0.2701 info
Change: +$0.11496 (+74%) info
Market Cap: $22.942M info
ABCP
Mar 04, 2026, 11:24 AM EST
Filing Type: 8-K
Importance Score:
9
Price at Filing: $0.17125
Real-time Price: $0.2701 info
Change: +$0.09885 (+58%) info
Market Cap: $22.942M info
ABCP
Feb 25, 2026, 3:20 PM EST
Filing Type: 8-K
Importance Score:
8
Price at Filing: $0.185955
Real-time Price: $0.2701 info
Change: +$0.084145 (+45%) info
Market Cap: $22.942M info
ABCP
Jan 29, 2026, 4:17 PM EST
Filing Type: 8-K
Importance Score:
7
Price at Filing: $0.19208
Real-time Price: $0.2701 info
Change: +$0.07802 (+41%) info
Market Cap: $22.942M info
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