Ownership signal 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

4.2%

Beneficial ownership of this reported class.

Shares

857,065 shares

Shares beneficially owned as disclosed.

Event date

13 Nov 2025

Date tied to the ownership event or amendment.

Accepted by SEC

14 Nov 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Subject security 2 source fields
Symbol
AP
Shares outstanding
20,406,310 shares
Source evidence 4 source fields
Form type
SCHEDULE 13D/A
Accepted by SEC
14 Nov 2025, 17:40:15 UTC
Event date
13 Nov 2025
SEC filing
View on sec.gov

Key filing fact

Ancora Alternatives LLC disclosed 4.2% ownership in AMPCO PITTSBURGH CORP Common Stock, par value $1.00 per share (AP) on 13 Nov 2025.

Key facts

  • Ancora Alternatives LLC filed SCHEDULE 13D/A for AMPCO PITTSBURGH CORP Common Stock, par value $1.00 per share (AP).
  • Disclosed ownership: 4.2%.
  • Date of event: 13 Nov 2025.

Change

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 14 Nov 2025, 17:40.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Disclosed reporting parties (7)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
Ancora Alternatives LLC 3.9% 784,432 0 784,432 /s/ Fredrick DiSanto Fredrick DiSanto, Chair and CEO of Ancora Holdings Group, LLC, Sole Member 0001836192
Ancora Merlin, LP 0.2% 36,491 0 36,491 /s/ Fredrick DiSanto Fredrick DiSanto, Chair and CEO of Ancora Holdings Group, LLC, Sole Member of Ancora Alternatives LLC, Investment Advisor and General Partner 0001694450
ANCORA MERLIN INSTITUTIONAL, LP 1.8% 355,747 0 355,747 /s/ Fredrick DiSanto Fredrick DiSanto, Chair and CEO of Ancora Holdings Group, LLC, Sole Member of Ancora Alternatives LLC, Investment Advisor and General Partner 0001431892
Ancora Catalyst, LP 0.2% 31,404 0 31,404 /s/ Fredrick DiSanto Fredrick DiSanto, Chair and CEO of Ancora Holdings Group, LLC, Sole Member of Ancora Alternatives LLC, Investment Advisor and General Partner 0001694346
Ancora Catalyst Institutional, LP 1.8% 360,790 0 360,790 /s/ Fredrick DiSanto Fredrick DiSanto, Chair and CEO of Ancora Holdings Group, LLC, Sole Member of Ancora Alternatives LLC, Investment Advisor and General Partner 0001620142
Ancora Holdings Group, LLC 3.9% 784,432 0 784,432 /s/ Fredrick DiSanto Fredrick DiSanto, Chair and CEO
DiSanto Fredrick D. 4.2% 857,065 72,633 784,432 /s/ Fredrick DiSanto Fredrick DiSanto 0001498290
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .