13D Filings
AMPCO PITTSBURGH CORP
AP
Amendment
Ownership

4.20%

Total Shares

857,065

Issuer CIK

6176

CUSIP

032037103

Event Date

Nov 12, 2025

Accepted

Nov 14, 2025, 05:40 PM

Reporting Persons (7)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
DiSanto Fredrick D.
Individual
4.20%857,06572,633784,432
Ancora Holdings Group, LLC
CO
3.90%784,4320784,432
Ancora Alternatives LLC
Investment Adviser
3.90%784,4320784,432
ANCORA MERLIN INSTITUTIONAL, LP
Partnership
1.80%355,7470355,747
Ancora Catalyst Institutional, LP
Partnership
1.80%360,7900360,790
Ancora Catalyst, LP
Partnership
0.20%31,404031,404
Ancora Merlin, LP
Partnership
0.20%36,491036,491
Disclosure Items (4)

Security Title

Common Stock, par value $1.00 per share

Issuer Name

AMPCO PITTSBURGH CORP

Issuer Address

726 BELL AVENUE, CARNEGIE, PA, 15106

Item 3 is hereby amended and restated to read as follows: The Shares purchased by each of the Ancora Funds were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 36,491 Shares owned directly by Ancora Merlin is approximately $173,566, including brokerage commissions. The aggregate purchase price of the 355,747 Shares owned directly by Ancora Merlin Institutional is approximately $1,700,354, including brokerage commissions. The aggregate purchase price of the 31,404 Shares owned directly by Ancora Catalyst is approximately $150,306, including brokerage commissions. The aggregate purchase price of the 360,790 Shares owned directly by Ancora Catalyst Institutional is approximately $1,723,885, including brokerage commissions. The aggregate purchase price of the 72,633 Shares owned directly by Mr. DiSanto is approximately $250,518, including brokerage commissions.

Percentage of Class

Item 5(a) is hereby amended and restated to read as follows: The aggregate percentage of Shares reported owned by each person named herein is based upon 20,326,389 Shares outstanding as of November 7, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2025. As of the date hereof, Ancora Merlin beneficially owned directly 36,491 Shares, constituting approximately 0.2% of the Shares outstanding. As of the date hereof, Ancora Merlin Institutional beneficially owned directly 355,747 Shares, constituting approximately 1.8% of the Shares outstanding. As of the date hereof, Ancora Catalyst beneficially owned directly 31,404 Shares, constituting approximately 0.2% of the Shares outstanding. As of the date hereof, Ancora Catalyst Institutional beneficially owned directly 360,790 Shares, constituting approximately 1.8% of the Shares outstanding. As of the date hereof, Ancora Alternatives, as the investment advisor to and general partner of each of the Ancora Funds, may be deemed to beneficially own 784,432 Shares, constituting approximately 3.9% of the Shares outstanding and consisting of (i) 36,491 Shares beneficially owned directly by Ancora Merlin, (ii) 355,747 Shares beneficially owned directly by Ancora Merlin Institutional, (iii) 31,404 Shares beneficially owned directly by Ancora Catalyst, and (iv) 360,790 Shares beneficially owned directly by Ancora Catalyst Institutional. As of the date hereof, Ancora Holdings, as the sole member of Ancora Alternatives, may be deemed to beneficially own 784,432 Shares, constituting approximately 3.9% of the Shares outstanding and consisting of (i) 36,491 Shares beneficially owned directly by Ancora Merlin, (ii) 355,747 Shares beneficially owned directly by Ancora Merlin Institutional, (iii) 31,404 Shares beneficially owned directly by Ancora Catalyst, and (iv) 360,790 Shares beneficially owned directly by Ancora Catalyst Institutional. As of the date hereof, Mr. DiSanto beneficially owned directly 72,633 Shares, constituting approximately 0.4% of the Shares outstanding. As the Chairman and Chief Executive Officer of Ancora Holdings, he may be deemed to beneficially own 784,432 Shares, constituting approximately 3.9% of the Shares outstanding and consisting of (i) 36,491 Shares beneficially owned directly by Ancora Merlin, (ii) 355,747 Shares beneficially owned directly by Ancora Merlin Institutional, (iii) 31,404 Shares beneficially owned directly by Ancora Catalyst, and (iv) 360,790 Shares beneficially owned directly by Ancora Catalyst Institutional.

Number of Shares

Item 5(b) is hereby amended and restated to read as follows: (i) Ancora Merlin 1. Sole power to vote or direct vote: 0 2. Shared power to vote or direct vote: 36,491 3. Sole power to dispose or direct the disposition: 0 4. Shared power to dispose or direct the disposition: 36,491 (ii) Ancora Merlin Institutional 1. Sole power to vote or direct vote: 0 2. Shared power to vote or direct vote: 355,747 3. Sole power to dispose or direct the disposition: 0 4. Shared power to dispose or direct the disposition: 355,747 (iii) Ancora Catalyst 1. Sole power to vote or direct vote: 0 2. Shared power to vote or direct vote: 31,404 3. Sole power to dispose or direct the disposition: 0 4. Shared power to dispose or direct the disposition: 31,404 (iv) Ancora Catalyst Institutional 1. Sole power to vote or direct vote: 0 2. Shared power to vote or direct vote: 360,790 3. Sole power to dispose or direct the disposition: 0 4. Shared power to dispose or direct the disposition: 360,790 (ix) Ancora Alternatives 1. Sole power to vote or direct vote: 0 2. Shared power to vote or direct vote: 784,432 3. Sole power to dispose or direct the disposition: 0 4. Shared power to dispose or direct the disposition: 784,432 (xii) Ancora Holdings 1. Sole power to vote or direct vote: 0 2. Shared power to vote or direct vote: 784,432 3. Sole power to dispose or direct the disposition: 0 4. Shared power to dispose or direct the disposition: 784,432 (xiii) Mr. DiSanto 1. Sole power to vote or direct vote: 72,633 2. Shared power to vote or direct vote: 857,065 3. Sole power to dispose or direct the disposition: 72,633 4. Shared power to dispose or direct the disposition: 857,065

Transactions

Item 5(c) is hereby amended and restated to read as follows: The transactions in the Shares by the Reporting Persons in the last 60 days are set forth in Exhibit 1 and are incorporated herein by reference. All of such transactions were effected in the open market unless otherwise noted.

Date of 5% Ownership

Item 5(e) is hereby amended and restated to read as follows: As of November 13, 2025, the Reporting Persons ceased to beneficially own more than 5% of the outstanding Shares of the Issuer.

Item 7 is hereby amended to add the following exhibits: 1 - Transactions in the Securities of the Issuer in the Last 60 Days

AMPCO PITTSBURGH CORP — Schedule 13D | 13D Filings