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): September 5, 2023 (September 5, 2023)

Altimar Acquisition Corp. III

(Exact name of registrant as specified in its charter)

Cayman Islands
(State or other jurisdiction of
incorporation)

001-40149
(Commission
File Number)

98-1576586
(I.R.S. Employer
Identification No.)

40 West 57th Street

33rd Floor

New York, New York 10019

(Address of principal executive offices, including zip code)

(212) 287-6767
(Registrant’s telephone number, including area code)

Not Applicable

(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:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-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 class	Trading Symbol(s)	Name of each exchange on which registered
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-fourth of one redeemable warrant	ATAQ.U	New York Stock Exchange
Class A ordinary share, $0.0001 par value	ATAQ	New York Stock Exchange
Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share	ATAQ.WS	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 ☒

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. ☐

Item 8.01

Other Events.

On September 5, 2023, Altimar Acquisition Corp. III (the “Company”) issued a press release announcing it will redeem all of its outstanding Class A ordinary shares, par value $0.0001, effective as of September 22, 2023, because the Company will not consummate an initial business combination within the time period required by its amended and restated memorandum and articles of association. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01

Financial Statements and Exhibits.

(d) Exhibits.

EXHIBIT INDEX

Exhibit No.		Description
99.1		Press Release, dated September 5, 2023.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ALTIMAR ACQUISITION CORP. III


Date: September 5, 2023	By:	/s/ Wendy Lai
		Name: Wendy Lai
		Title: Chief Financial Officer