---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-033549"
form_type: "8-K"
ticker: "AMPX"
cik: "0001899287"
company_name: "Amprius Technologies, Inc."
filed_at: "2023-10-03T23:59:59+00:00"
generated_at: "2026-06-10T05:44:50.096030+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Amprius enters $100M ATM sales agreement, terminates prior $200M equity facility

## Summary
- Company entered At Market Issuance Sales Agreement with B. Riley, Cantor, H.C. Wainwright to sell up to $100M of common stock.
- Prior Committed Equity Facility (up to $200M) with B. Riley Principal Capital II terminated effective on S-3 effective date.
- Sales agents receive customary commission; company has no obligation to sell shares and may suspend sales at any time.
- New S-3 registration statement (File No. 333-274834) not yet declared effective by SEC.
- Termination of the $200M committed facility and entry into the $100M ATM represent a material change in equity financing strategy.

## SEC filing metadata
- accession: 0001628280-23-033549
- form_type: 8-K
- ticker: AMPX
- cik: 0001899287
- company_name: Amprius Technologies, Inc.
- filed_at: 2023-10-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1899287/000162828023033549/0001628280-23-033549-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1899287/000162828023033549/ampx-20231002.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-033549
- JSON: https://secwatch.observer/filing/0001628280-23-033549.json
- Plain text: https://secwatch.observer/filing/0001628280-23-033549.txt

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