secwatch.observer — SEC 8-K summary ====================================== Issuer: SAB Biotherapeutics, Inc. (SABS) CIK: 0001833214 Form: 8-K Filed at: 2023-07-31T23:59:59+00:00 Accession: 0001437749-23-021186 Event type: other_material Sentiment: negative Materiality: 0.70 Item codes: 4.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Auditor MHM declines re-election as SAB Biotherapeutics' independent auditor; going concern noted -------------------------------------------------------------------------------- - MHM notified SAB Biotherapeutics on July 25, 2023 it will not stand for re-election as auditor for FY 2023. - MHM to cease as auditor by earlier of new firm engagement, Q2 2023 10-Q filing, or August 21, 2023. - MHM's audit reports for 2021-2022 included a going concern explanatory paragraph and a material weakness in internal controls leading to a restatement. - Company is in process of selecting a new independent registered public accounting firm; no successor named yet. - MHM furnished a letter to the SEC (Exhibit 16.1) agreeing with the company's statements in this 8-K. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1833214/000143774923021186/0001437749-23-021186-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1833214/000143774923021186/sabs20230728_8k.htm HTML page: https://secwatch.observer/filing/0001437749-23-021186 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer