AMBASE CORPORATION

ABCPCIK 0000020639

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Financial snapshot

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Filings

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Analytical signals

How signals work →

Calculations over this company’s filings, each compared with a stated threshold. They indicate where to read more closely; they are analytical evidence, not conclusions, and none implies wrongdoing.

Strategic-review language

P-10 · AI-assisted, quote-verified

Threshold met

FY 2026-03-30

Activist 13D/13G filings, and language about strategic alternatives in MD&A and risk factors.

1 strategic-language signal(s) in the 10-K

P-10 inputs
Input	Value
model score (0–100)	38.0
sc13d_filings
ai_signals.0.kind	strategic_review
ai_signals.0.summary	The Company is exploring strategic alternatives to address capital needs, including possible sale of equity or debt securities.
ai_signals.0.quote	The Company continues to explore all possible strategic alternatives to meet is capital needs, including but not limited to, raising additional capital through the sale of equity or debt securities
ai_signals.0.quote_verified	true
quotes_discarded_unverified	0
ai_status	ok
method	Deterministic 13D count + LLM language read (quote-verified)

Basis: Filing text (AI-assisted, quote-verified)Methodology

Interest coverage

P-13 · Calculated

Elevated

FY 2023-12-31

Whether operating earnings cover interest expense, and for how many consecutive years they did not.

[FY2023 data, stale — no more recent EBIT figure in XBRL] EBIT is negative: operating earnings do not cover interest expense

Trend: flat

P-13 inputs
Input	Value
model score (0–100)	100.0
icr_by_year.2025-12-31	null
icr_by_year.2024-12-31	null
icr_by_year.2023-12-31	-20.876
icr_by_year.2022-12-31	-60.07
consecutive_years_below_1	2
altman_z_double_prime	-23419.358
definitions.zombie	ICR<1 for 3+ consecutive FYs (BIS 2018)
definitions.z_distress	<1.1 distress, 1.1-2.6 gray, >2.6 safe
inputs.ebit_t	-5031000
inputs.interest_expense_t	241000
stale	true
latest_filing_period	2025-12-31

Trend

10-K· 2025-03-24 Methodology

Carbon-exposed assets

P-11 · AI-assisted, quote-verified

Below threshold

FY 2026-03-30

No carbon-exposed asset language detected

How asset-heavy the balance sheet is, and whether the filing names carbon-exposed asset classes.

P-11 inputs
Input	Value
model score (0–100)	0.0
exposures
ppe_share_of_assets	null
quotes_discarded_unverified	0

Basis: Filing text (AI-assisted, quote-verified)Methodology

Insider filing timing

P-08 · Calculated

Below threshold

FY 2026-07-31

No clustered pre-event Form 4 pattern in the last year

Whether several insiders filed Form 4 in the 14 days before recent 8-K events.

P-08 inputs
Input	Value
model score (0–100)	0.0
clusters
form4_total_1y	0
events_8k_1y	10
window_days	14
note	Timing pattern only — direction (buy/sell) requires parsing each Form 4 XML; treat as a read-the-filings triage flag, not an accusation.

Basis: Insider and event filingsMethodology

Language change

P-09 · Calculated

Below threshold

FY 2026-03-30

Filing language stable vs prior 10-K

How the density of uncertainty, negative and litigious wording changed between the latest and prior annual report.

P-09 inputs
Input	Value
model score (0–100)	0.4
current.filed	2026-03-30
current.tokens	29538
current.uncertainty_per_1k	13.47
current.negative_per_1k	11.58
current.litigious_per_1k	18.15
prior.filed	2025-03-24
prior.tokens	25657
prior.uncertainty_per_1k	14.54
prior.negative_per_1k	11.54
prior.litigious_per_1k	16.6
ratios.uncertainty	0.927
ratios.negative	1.004
method	Loughran-McDonald dictionary densities (lite subset unless full CSV present)

Basis: Filing textMethodology

Subsidiary jurisdictions

P-02 · Calculated

Below threshold

FY 2026-03-30

No watchlist-jurisdiction subsidiaries in EX-21

Where the company's significant subsidiaries are domiciled, compared with a configurable list of jurisdictions.

P-02 inputs
Input	Value
model score (0–100)	0.0
exhibit	ef20060640_ex21.htm
filing_date	2026-03-30
watchlist	China, Russia, Belarus, Iran, North Korea
all_jurisdiction_mentions.Delaware	2
note	Mention-count proxy from EX-21; ownership %, revenue share and supply relationships require the LLM enrichment phase.

Basis: Exhibit 21Methodology

No stored result for Earnings quality, ESG disclosure support, Effective tax rate, Pension funding, Restatement indicators. Some signals are computed on request, and others need inputs this company’s filings do not tag; a missing result is not a finding either way.

Methodology and sources

Financial figures come from SEC XBRL company facts (annual reports). Choose any evidence marker to see the filing behind a value.
Filing text comes from SEC EDGAR. Browse this company on EDGAR ↗
Signals are calculated by Stratum from those filings. Some use AI to read filing text, and every AI claim must quote the document verbatim or it is discarded. Full methodology

More tools: chat with the 10-K · investigation memo