secwatch.observer — SEC 8-K summary
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Issuer:     AmBase Corp (ABCP)
CIK:        0000020639
Form:       8-K
Filed at:   2025-04-22T23:59:59+00:00
Accession:  0001140361-25-014937
Event type: other_material
Sentiment:  negative
Materiality: 0.60
Item codes: 4.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

AmBase auditor Marcum resigns; CBIZ CPAs engaged as new auditor
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- Marcum LLP resigned as independent registered public accounting firm on April 22, 2025; no disagreements or reportable events.
- Prior audit reports for FY2024 and FY2023 included a going-concern explanatory paragraph.
- CBIZ CPAs P.C., which acquired Marcum's attest business, was engaged as new auditor for FY2025 effective same date.
- Neither the company nor anyone on its behalf consulted CBIZ on accounting matters prior to engagement.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/20639/000114036125014937/0001140361-25-014937-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/20639/000114036125014937/ef20047722_8k.htm
  HTML page:      https://secwatch.observer/filing/0001140361-25-014937

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