LBIC discloses 15.39% Ampco-Pittsburgh ownership after Nov. share buy

Rhea-AI Filing Summary

The Louis Berkman Investment Company filed Amendment No. 8 to its Schedule 13D regarding Ampco-Pittsburgh Corporation common stock. The amendment reports LBIC’s purchase of 93,000 common shares on November 17, 2025 at a weighted average price of $2.67 per share for investment purposes. Following this transaction, LBIC beneficially owns 3,127,792 Ampco-Pittsburgh common shares, representing 15.39% of the class, based on 20,326,389 common shares outstanding as of November 7, 2025. The filing states LBIC has sole voting and dispositive power over these shares and indicates no additional plans or proposals beyond this investment-related purchase.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 8)

Ampco-Pittsburgh Corporation

(Name of Issuer)

Common Stock, par value $1.00 per share

(Title of Class of Securities)

032037103

(CUSIP Number)

Jennifer L. Gloff
The Louis Berkman Investment Company, 600 Grant Street, Suite 3230
Pittsburgh, PA, 15219-2704
(412) 652-9480

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

11/17/2025

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 032037103

1

Name of reporting person

The Louis Berkman Investment Company

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC, BK

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

OHIO

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 3,127,792.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 3,127,792.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

3,127,792.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

15.39 %

14

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, par value $1.00 per share
(b)	Name of Issuer: Ampco-Pittsburgh Corporation
(c)	Address of Issuer's Principal Executive Offices: 726 Bell Avenue, Suite 301, Carnegie, PENNSYLVANIA , 15106.
Item 1 Comment: This Amendment No. 8 to Schedule 13D ("Amendment") amends and supplements the Schedule 13D filed on April 28, 2006 by The Louis Berkman Investment Company, an Ohio corporation ("LBIC"), with respect to the Common Stock, par value $1.00 per share ("Common Shares"), of the Ampco-Pittsburgh Corporation (the "Issuer"), as amended by Amendment No. 1 thereto filed on July 5, 2007, Amendment No. 2 thereto filed on December 26, 2007, Amendment No. 3 thereto filed on February 2, 2009, Amendment No. 4 thereto filed on April 10, 2018, Amendment No. 5 thereto filed on September 22, 2020, Amendment No. 6 thereto filed on March 1, 2022 and Amendment No. 7 thereto filed on November 28, 2022.
Item 2.	Identity and Background
(a)	The Louis Berkman Investment Company
(b)	600 Grant Street, Suite 3230, Pittsburgh, Pennsylvania 15219-2704
(c)	The Louis Berkman Investment Company ("LBIC") is an investment holding company incorporated in the state of Ohio. The names, addresses and principal occupations of the directors and executive officers of LBIC are set forth in Appendix A attached hereto. Such information is incorporation herein by reference.
(d)	During the last five years, neither the Reporting Person nor any of the directors and executive officers of LBIC have been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	During the last five years, neither the Reporting Person nor any of the directors and executive officers of LBIC have been a party to any civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which he or she is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violations with respect to such laws.
(f)	All directors and executive officers of LBIC are citizens of the United States.
Item 3.	Source and Amount of Funds or Other Consideration
	The source of the funds for LBIC's purchase of the Common Shares (as further described in Item 4) consisted of $248,316.40 in cash.
Item 4.	Purpose of Transaction
	This Amendment is being filed to report the purchase by LBIC of 93,000 common shares of the Issuer ("Common Shares") for a weighted average of $2.67 per whole Common Share on November 17, 2025 for investment purposes. Except as set forth herein, the Reporting Person filing this Amendment has no plans or proposals that relate to or would result in any of the actions or events set forth in paragraphs (a) through (j) of Item 4 of Schedule 13D.
Item 5.	Interest in Securities of the Issuer
(a)	The responses of the Reporting Person with respect to Rows 7, 8, 9, 10, 11 and 13 of the cover pages to this Schedule 13D are incorporated herein by reference.
(b)	The responses of the Reporting Person with respect to Rows 7, 8, 9, 10, 11 and 13 of the cover pages to this Schedule 13D are incorporated herein by reference. Share percentage calculations in this Schedule are based on 20,326,389 Common Shares outstanding as of November 7, 2025 as reported in the Issuer's Quarterly Report filed with the SEC on November 12, 2025, including the share percentage calculation of the Reporting Person's 15.39% ownership.
(c)	Purchase by LBIC of 93,000 Common Shares for a weighted average of $2.67 per whole Common Share on November 17, 2025 for investment purposes.
(d)	As of the date of this report, Mr. Laurence Paul, a Director and President of LBIC, beneficially owns 84,368 Common Shares of the Issuer (excluding Common Shares owned by LBIC), which includes 12,728 shares of restricted stock of the Issuer. Mr. Laurence Paul has sole voting power over 84,368 shares and dispositive power over 71,640 shares. As of the date of this report, Mr. Stephen Paul, a Director of the Issuer and a Director and President of LBIC, beneficially owns 112,764 Common Shares of the Issuer (excluding Common Shares owned by LBIC). Mr. Stephen Paul has sole voting and dispositive powers over these 112,764 Common Shares.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

The Louis Berkman Investment Company

Signature:	/s/ Jennifer L. Gloff
Name/Title:	Jennifer L. Gloff, Chief Financial Officer and Treasurer
Date:	11/26/2025

FAQ

What stake does The Louis Berkman Investment Company report in Ampco-Pittsburgh (AP)?

The Louis Berkman Investment Company reports beneficial ownership of 3,127,792 Ampco-Pittsburgh common shares, representing 15.39% of the outstanding common stock based on 20,326,389 shares outstanding as of November 7, 2025.

What new transaction triggered this Schedule 13D/A Amendment No. 8 for AP?

The amendment reports LBIC’s purchase of 93,000 Ampco-Pittsburgh common shares on November 17, 2025 at a weighted average price of $2.67 per share, which increased its reported beneficial ownership.

How much voting and dispositive power does LBIC have over its Ampco-Pittsburgh shares?

LBIC discloses sole voting power and sole dispositive power over 3,127,792 Ampco-Pittsburgh common shares, with no shared voting or shared dispositive power reported.

What is the source of funds used by LBIC to buy Ampco-Pittsburgh (AP) shares?

The filing states that LBIC used a total of $248,316.40 in cash to purchase the reported Ampco-Pittsburgh common shares, with sources of funds described as WC (working capital) and BK (bank).

Does LBIC state any plans or proposals regarding control or major changes at Ampco-Pittsburgh?

The amendment states that, except as set forth in the document, the reporting person has no plans or proposals relating to the actions or events listed in paragraphs (a) through (j) of Item 4, indicating the purchase is for investment purposes.

How many Ampco-Pittsburgh shares do LBIC executives personally beneficially own?

The filing notes that Mr. Laurence Paul beneficially owns 84,368 common shares (including 12,728 restricted shares), and Mr. Stephen Paul beneficially owns 112,764 common shares, each excluding shares owned by LBIC.