---
schema_version: "secwatch.filing_event.v1"
accession: "0001899287-25-000045"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2025-10-06T23:59:59+00:00"
generated_at: "2026-05-17T04:38:09.005222+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Amprius Technologies appoints Ricardo Rodriguez as CFO; Sandra Wallach retires

## Summary
- Ricardo Rodriguez appointed CFO effective Oct 6, 2025; Sandra Wallach retired same day.
- Rodriguez to receive $451,000 base salary, target bonus of 65% of base, and $80,000 sign-on bonus.
- Granted 200,000 RSUs vesting 25% after one year, remainder quarterly over three years.
- Wallach entered consulting agreement at $200/hour to support transition.

## SEC filing metadata
- accession: 0001899287-25-000045
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2025-10-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000189928725000045/0001899287-25-000045-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000189928725000045/ampx-20251006.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001899287-25-000045
- JSON: https://secwatch.observer/filing/0001899287-25-000045.json
- Plain text: https://secwatch.observer/filing/0001899287-25-000045.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.