Short answer
Amprius Technologies, Inc. (AMPX) filed an 8-K current report with the SEC on April 21, 2026 reporting Item 4.01 (Changes in Registrant's Certifying Accountant). Deloitte appointed auditor for fiscal 2026, effective April 21, 2026.
- This filing includes Item 4.01, an item that often signal trouble.
Amprius Technologies, Inc. 8-K event analysis
AI summary of each reported item and its exhibits
Item 4.01 · Changes in Registrant's Certifying Accountant
- Deloitte appointed auditor for fiscal 2026, effective April 21, 2026
- BDO dismissed after auditing fiscal 2025 and prior years
- BDO’s 2025 and 2024 opinions contained no adverse opinion, disclaimer, qualification, or scope modification
- No accounting disagreements or reportable events with BDO through April 17, 2026
- Auditor transition appears administrative rather than driven by disclosed financial-reporting concerns
Generated from the filing text and exhibits; verify against the original. What 8-K item codes mean
Other Amprius Technologies, Inc. 8-K filings
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