[8-K] AMPCO PITTSBURGH CORP Reports Material Event

Rhea-AI Filing Summary

Ampco-Pittsburgh Corporation furnished an investor presentation under a current report on Form 8-K. On November 18, 2025, the company posted an updated investor presentation on its investor relations website and made the same material available as Exhibit 99.1. The presentation may be used in future meetings with existing and prospective investors, giving them a structured overview of the business and strategy. The information is being provided under Regulation FD as “furnished,” meaning it is not treated as “filed” for purposes of Section 18 of the Exchange Act unless specifically incorporated by reference in another filing.

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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): November 18, 2025

AMPCO-PITTSBURGH CORPORATION

(Exact name of Registrant as Specified in Its Charter)

Pennsylvania			1-898	25-1117717
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
726 Bell Avenue Suite 301
Carnegie, Pennsylvania				15106
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: 412 456-4400

(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
Common Stock, $1 par value		AP		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 7.01 Regulation FD Disclosure.

On November 18, 2025, Ampco-Pittsburgh Corporation (the “Corporation”) posted an investor presentation to its investor relations website (www.ampcopgh.com/investors). This presentation, or excerpts from this presentation, may be provided to existing and/or prospective investors during future meetings. The investor presentation is furnished herewith as Exhibit 99.1.

The information in this Item 7.01 shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into a filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. The information on the Corporation’s website is not part of this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits
	Exhibit 99.1	Ampco-Pittsburgh Corporation Investor Presentation (November 2025)
	Exhibit 104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

			AMPCO-PITTSBURGH CORPORATION
Date:	November 18, 2025	By:	/s/ Michael G. McAuley
			Michael G. McAuley Senior Vice President, Chief Financial Officer and Treasurer

FAQ

What did Ampco-Pittsburgh (AP) announce in this Form 8-K?

Ampco-Pittsburgh Corporation reported that it posted an updated investor presentation to its investor relations website and furnished the same presentation as Exhibit 99.1 to a Form 8-K.

When did Ampco-Pittsburgh (AP) post the new investor presentation?

The company posted the investor presentation on November 18, 2025, and referenced this timing in its current report.

Where can investors access Ampco-Pittsburgh’s November 2025 investor presentation?

Investors can access the presentation on the company’s investor relations website at www.ampcopgh.com/investors and through Exhibit 99.1 to this Form 8-K.

How will Ampco-Pittsburgh use this investor presentation with investors?

The company states that this presentation, or excerpts from it, may be provided to existing and prospective investors during future meetings.

Is the Ampco-Pittsburgh investor presentation considered 'filed' under the Exchange Act?

No. The company specifies that the information furnished under Item 7.01 is not deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to that section’s liabilities unless later incorporated by reference.

Which exhibits are included with this Ampco-Pittsburgh Form 8-K?

The report includes Exhibit 99.1, the Ampco-Pittsburgh Corporation Investor Presentation (November 2025), and Exhibit 104, the cover page interactive data file embedded in the Inline XBRL document.