secwatch.observer — SEC 8-K summary ====================================== Issuer: Harvard Apparatus Regenerative Technology, Inc. (HRGN) CIK: 0001563665 Form: 8-K Filed at: 2025-04-14T23:59:59+00:00 Accession: 0001437749-25-011884 Event type: other_material Sentiment: neutral Materiality: 0.40 Item codes: 4.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Harvard Apparatus Regenerative Tech replaces auditor: Marcum resigns, CBIZ CPAs P.C appointed April 11, 2025 -------------------------------------------------------------------------------- - Marcum LLP resigned as independent auditor effective April 11, 2025; Audit Committee approved CBIZ CPAs P.C. as successor the same day. - No disagreements with Marcum on accounting principles, disclosure, or audit scope during fiscal 2023, 2024, or through April 14, 2025. - Marcum's reports for fiscal 2023 and 2024 were unqualified but included a going-concern explanatory paragraph. - Marcum's letter concurring with disclosure is filed as Exhibit 16.1. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1563665/000143774925011884/0001437749-25-011884-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1563665/000143774925011884/hrgn20250407_8k.htm HTML page: https://secwatch.observer/filing/0001437749-25-011884 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer