PROSPECTUS SUPPLEMENT NO. 3
(to Prospectus dated December 27, 2022)
Filed Pursuant to Rule 424(b)(3)
Registration No. 333-267691
Amprius Technologies, Inc.
ampriuslogo1a.jpg
This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated December 27, 2022 (the “Prospectus”) filed by Amprius Technologies, Inc. (the “Company”) with the information contained in the Company’s Current Report on Form 8-K, filed with the SEC on March 9, 2023. Accordingly, we have attached the Company’s Current Report on Form 8-K to this prospectus supplement.
This prospectus supplement updates and supplements the information in the Prospectus and is not complete without, and may not be delivered or utilized except in combination with, the Prospectus, including any amendments or supplements thereto. This prospectus supplement should be read in conjunction with the Prospectus and if there is any inconsistency between the information in the Prospectus and this prospectus supplement, you should rely on the information in this prospectus supplement.
Our common stock and public warrants are listed on the New York Stock Exchange (the “NYSE”) under the symbols “AMPX” and “AMPX.W,” respectively. On March 8, 2023, the last reported sales prices for our common stock and public warrants on the NYSE were $6.39 and $0.32, respectively.
We are an “emerging growth company,” as defined under the federal securities laws, and, as such, may elect to comply with certain reduced public company reporting requirements.
Investing in our securities involves a high degree of risk. Before buying any securities, you should carefully read the discussion of the risks of investing in our securities in “Risk Factors” beginning on page 13 of the Prospectus.
Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.
The date of this prospectus supplement is March 9, 2023



UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
_________________________
FORM 8-K
_________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): March 6, 2023
_________________________
Amprius Technologies, Inc.
(Exact name of Registrant as Specified in Its Charter)
_________________________
Delaware001-4131498-1591811
(State or Other Jurisdiction
of Incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
1180 Page Ave
Fremont, California
94538
(Address of Principal Executive Offices)(Zip Code)
Registrant’s Telephone Number, Including Area Code: (800) 425-8803
N/A
(Former Name or Former Address, if Changed Since Last Report)
_________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading
Symbol(s)
Name of each exchange
on which registered
Common stock, par value $0.0001 per shareAMPXThe New York Stock Exchange
Redeemable warrants, each exercisable for one share of common stock at an exercise price of $11.50AMPX.WThe New York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company x
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o



Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
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. Mr. Bornstein will continue to oversee the Company’s operations at its laboratory and production facility in Fremont, California.

Mr. Bornstein’s biographical information and business experience has been previously reported in the section titled “Management” in the Company’s prospectus filed with the Securities and Exchange Commission on December 2, 2022 relating to the Registration Statement on Form S-1 (File No. 333-267683), and such information is incorporated herein by reference.

Mr. Bornstein’s compensation will not change in connection with his appointment as the President of Amprius Lab.



SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
AMPRIUS TECHNOLOGIES, INC.
Date: March 9, 2023By:/s/ Sandra Wallach
Name: Sandra Wallach
Title: Chief Financial Officer