# EDGAR Filing Document

**Accession Number:** 0001899287
**File Stem:** 0001899287-26-000028
**Filing Date:** 2026-4
**Character Count:** 2382
**Document Hash:** b566fe8aadbae27979b974d4fe561f6e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001899287-26-000028.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001899287-26-000028

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260428

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Amprius Technologies, Inc.
- **CENTRAL INDEX KEY:** 0001899287
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 981591811
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41314
- **FILM NUMBER:** 26909813

**BUSINESS ADDRESS:**
- **STREET 1:** 1180 PAGE AVENUE
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94538
- **BUSINESS PHONE:** (800) 425-8803

**MAIL ADDRESS:**
- **STREET 1:** 1180 PAGE AVENUE
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94538

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Kensington Capital Acquisition Corp. IV
- **DATE OF NAME CHANGE:** 20211214

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**SCHEDULE 14A**<br>

**PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE<br>SECURITIES EXCHANGE ACT OF 1934**

Filed by the Registrant ☒

Filed by a party other than the Registrant ☐

Check the appropriate box:

☐&nbsp;&nbsp;&nbsp;&nbsp;Preliminary Proxy Statement

☐&nbsp;&nbsp;&nbsp;&nbsp;**Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

☐&nbsp;&nbsp;&nbsp;&nbsp;Definitive Proxy Statement

☒&nbsp;&nbsp;&nbsp;&nbsp;Definitive Additional Materials

☐&nbsp;&nbsp;&nbsp;&nbsp;Soliciting Material Pursuant to §240.14a-12

**AMPRIUS TECHNOLOGIES, INC.**<br>

**(Name of Registrant as Specified In Its Charter)**

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)**

Payment of Filing Fee (Check the appropriate box):

☒&nbsp;&nbsp;&nbsp;&nbsp;No fee required.

☐&nbsp;&nbsp;&nbsp;&nbsp;Fee paid previously with preliminary materials.

☐&nbsp;&nbsp;&nbsp;&nbsp;Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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