---
schema_version: "secwatch.filing_event.v1"
accession: "0001899287-23-000084"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2023-06-15T23:59:59+00:00"
generated_at: "2026-06-14T00:40:17.296983+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Amprius Technologies elects Mary Gustanski as Class II director

## Summary
- Mary Gustanski elected to Board as Class II director, term expiring at 2024 annual meeting.
- Also appointed to Compensation Committee; Board determined she is independent.
- No reportable transactions involving Ms. Gustanski or immediate family per Item 404(a).
- Standard outside director compensation per proxy statement; will enter indemnification agreement.

## SEC filing metadata
- accession: 0001899287-23-000084
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2023-06-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000084/0001899287-23-000084-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000084/ampx-20230613.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001899287-23-000084
- JSON: https://secwatch.observer/filing/0001899287-23-000084.json
- Plain text: https://secwatch.observer/filing/0001899287-23-000084.txt

## Key facts
- Executive change
  Mary Gustanski was elected as Class II director at Amprius Technologies, Inc..
  - Action: elected
  - Role: Class II director
  source text: the Board of Directors (the “Board”) of Amprius Technologies, Inc. (the “Company”) elected Mary Gustanski to serve as a Class II director.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1899287/000189928723000084/0001899287-23-000084-index.htm

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