---
schema_version: "secwatch.filing_event.v1"
accession: "0001899287-23-000009"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2023-03-09T23:59:59+00:00"
generated_at: "2026-06-18T07:50:30.273694+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Amprius Technologies names COO Jonathan Bornstein as President of Amprius Lab

## Summary
- Jonathan Bornstein's title changed from COO to President of Amprius Lab effective March 6, 2023.
- Change aligns with formation of two business units; Bornstein continues overseeing Fremont lab and production.
- His compensation remains unchanged.

## SEC filing metadata
- accession: 0001899287-23-000009
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2023-03-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000009/0001899287-23-000009-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000009/ampx-20230306.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001899287-23-000009
- JSON: https://secwatch.observer/filing/0001899287-23-000009.json
- Plain text: https://secwatch.observer/filing/0001899287-23-000009.txt

## Key facts
- Executive change
  Jonathan Bornstein was appointed as President of Amprius Lab at Amprius Technologies, Inc..
  - Action: appointed
  - Role: President of Amprius Lab
  source text: On March 6, 2023, Amprius Technologies, Inc. (the “Company”) announced a change in Jonathan Bornstein’s officer title from Chief Operating Officer to President of Amprius Lab, in conjunction with the Company’s formation of two business units.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000009/0001899287-23-000009-index.htm

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