{"transactions":[{"id":673446,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":18930,"kind":"person","name":"McNair Darrell L","position":1,"cik":"0001912179","reported_name":"McNair Darrell L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-08-28T11:21:31.000Z","date":"2026-08-27","kind":"gift","planned":false,"acquired":false,"shares":5600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects 5,600 shares of common stock, $1 par value of Ampco-Pittsburgh Corporation transferred by the reporting person to a donor-advised fund sponsored by a charitable organization under Section 501(c)(3) of the Internal Revenue Code."}],"balance_after":65686,"source":{"system":"sec-edgar","filing":"0001193125-26-372998","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526372998/ownership.xml","form_type":"4"}},{"id":726120,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2026-06-26T17:18:56.000Z","date":"2026-06-25","kind":"sale","planned":false,"acquired":false,"shares":9500,"price":9.8176,"value":93267.2,"ownership":{"direct":true},"balance_after":181233,"source":{"system":"sec-edgar","filing":"0001193125-26-284801","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526284801/ownership.xml","form_type":"4"}},{"id":731482,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2026-06-22T13:27:48.000Z","date":"2026-06-18","kind":"sale","planned":false,"acquired":false,"shares":547,"price":11.3,"value":6181.1,"ownership":{"direct":true},"balance_after":190733,"source":{"system":"sec-edgar","filing":"0001193125-26-276862","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526276862/ownership.xml","form_type":"4"}},{"id":770952,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-05-20T15:17:05.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":3300,"price":9.0278,"value":29791.74,"ownership":{"direct":true},"balance_after":557694,"source":{"system":"sec-edgar","filing":"0001193125-26-232106","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526232106/ownership.xml","form_type":"4"}},{"id":774188,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO & Treasurer, Pres. ALS"}}],"security":"Common Stock","published_at":"2026-05-19T15:27:42.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":11117,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":82966,"source":{"system":"sec-edgar","filing":"0001193125-26-229993","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229993/ownership.xml","form_type":"4"}},{"id":774187,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO & Treasurer, Pres. ALS"}}],"security":"Common Stock","published_at":"2026-05-19T15:27:42.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":8216,"price":10.85,"value":89143.6,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F4","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the performance-based restricted stock units."}],"balance_after":71849,"source":{"system":"sec-edgar","filing":"0001193125-26-229993","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229993/ownership.xml","form_type":"4"}},{"id":774186,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO & Treasurer, Pres. ALS"}}],"security":"Common Stock","published_at":"2026-05-19T15:27:42.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":2489,"price":10.85,"value":27005.65,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F3","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2025 grant of Restricted Stock Units."}],"balance_after":80065,"source":{"system":"sec-edgar","filing":"0001193125-26-229993","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229993/ownership.xml","form_type":"4"}},{"id":774185,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO & Treasurer, Pres. ALS"}}],"security":"Common Stock","published_at":"2026-05-19T15:27:42.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":2179,"price":10.85,"value":23642.15,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F2","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2024 grant of Restricted Stock Units."}],"balance_after":82554,"source":{"system":"sec-edgar","filing":"0001193125-26-229993","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229993/ownership.xml","form_type":"4"}},{"id":774184,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO & Treasurer, Pres. ALS"}}],"security":"Common Stock","published_at":"2026-05-19T15:27:42.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":1370,"price":10.85,"value":14864.5,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":84733,"source":{"system":"sec-edgar","filing":"0001193125-26-229993","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229993/ownership.xml","form_type":"4"}},{"id":774183,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2026-05-19T15:24:07.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":15056,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":191280,"source":{"system":"sec-edgar","filing":"0001193125-26-229987","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229987/ownership.xml","form_type":"4"}},{"id":774182,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2026-05-19T15:24:07.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":18185,"price":10.85,"value":197307.25,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F4","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the performance-based restricted stock units."}],"balance_after":176224,"source":{"system":"sec-edgar","filing":"0001193125-26-229987","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229987/ownership.xml","form_type":"4"}},{"id":774181,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2026-05-19T15:24:07.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":3547,"price":10.85,"value":38484.95,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F3","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2025 grant of Restricted Stock Units."}],"balance_after":194409,"source":{"system":"sec-edgar","filing":"0001193125-26-229987","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229987/ownership.xml","form_type":"4"}},{"id":774180,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2026-05-19T15:24:07.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":3166,"price":10.85,"value":34351.1,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F2","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2024 grant of Restricted Stock Units."}],"balance_after":197956,"source":{"system":"sec-edgar","filing":"0001193125-26-229987","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229987/ownership.xml","form_type":"4"}},{"id":774179,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2026-05-19T15:24:07.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":3029,"price":10.85,"value":32864.65,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":201122,"source":{"system":"sec-edgar","filing":"0001193125-26-229987","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229987/ownership.xml","form_type":"4"}},{"id":774178,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-05-19T15:20:49.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":41060,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":554394,"source":{"system":"sec-edgar","filing":"0001193125-26-229984","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229984/ownership.xml","form_type":"4"}},{"id":774177,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-05-19T15:20:49.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":46656,"price":10.85,"value":506217.6,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F4","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the performance-based restricted stock units."}],"balance_after":513334,"source":{"system":"sec-edgar","filing":"0001193125-26-229984","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229984/ownership.xml","form_type":"4"}},{"id":774176,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-05-19T15:20:49.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":7777,"price":10.85,"value":84380.45,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F3","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2025 grant of Restricted Stock Units."}],"balance_after":559990,"source":{"system":"sec-edgar","filing":"0001193125-26-229984","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229984/ownership.xml","form_type":"4"}},{"id":774175,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-05-19T15:20:49.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":8568,"price":10.85,"value":92962.8,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F2","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2024 grant of Restricted Stock Units."}],"balance_after":567767,"source":{"system":"sec-edgar","filing":"0001193125-26-229984","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229984/ownership.xml","form_type":"4"}},{"id":774174,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-05-19T15:20:49.000Z","date":"2026-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":9396,"price":10.85,"value":101946.6,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":576335,"source":{"system":"sec-edgar","filing":"0001193125-26-229984","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526229984/ownership.xml","form_type":"4"}},{"id":776378,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":18930,"kind":"person","name":"McNair Darrell L","position":1,"cik":"0001912179","reported_name":"McNair Darrell L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T15:43:30.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":7374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":71286,"source":{"system":"sec-edgar","filing":"0001193125-26-228361","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526228361/ownership.xml","form_type":"4"}},{"id":776377,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":23383,"kind":"person","name":"PAUL LAURENCE E","position":1,"cik":"0001190966","reported_name":"PAUL LAURENCE E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T15:33:39.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":7374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":91742,"source":{"system":"sec-edgar","filing":"0001193125-26-228350","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526228350/ownership.xml","form_type":"4"}},{"id":776376,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46728,"kind":"person","name":"GERMAN MICHAEL I","position":1,"cik":"0001012714","reported_name":"GERMAN MICHAEL I","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T15:28:10.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":7374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":229044,"source":{"system":"sec-edgar","filing":"0001193125-26-228330","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526228330/ownership.xml","form_type":"4"}},{"id":776375,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46727,"kind":"person","name":"LIEBERMAN WILLIAM K","position":1,"cik":"0001279916","reported_name":"LIEBERMAN WILLIAM K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T15:21:38.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":7374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":58286,"source":{"system":"sec-edgar","filing":"0001193125-26-228319","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526228319/ownership.xml","form_type":"4"}},{"id":776374,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":41385,"kind":"person","name":"Fessenden Elizabeth Anne","position":1,"cik":"0001452008","reported_name":"Fessenden Elizabeth Anne","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T15:12:48.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":7374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":126704,"source":{"system":"sec-edgar","filing":"0001193125-26-228293","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526228293/ownership.xml","form_type":"4"}},{"id":776373,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":40363,"kind":"person","name":"DeMichiei Robert","position":1,"cik":"0001928634","reported_name":"DeMichiei Robert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-18T15:03:29.000Z","date":"2026-05-15","kind":"grant","planned":false,"acquired":true,"shares":7374,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":85559,"source":{"system":"sec-edgar","filing":"0001193125-26-228274","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526228274/ownership.xml","form_type":"4"}},{"id":834298,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-03-19T15:35:56.000Z","date":"2026-03-19","kind":"purchase","planned":false,"acquired":true,"shares":7500,"price":6.67,"value":50025.0,"ownership":{"direct":true},"balance_after":585731,"source":{"system":"sec-edgar","filing":"0001193125-26-115410","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526115410/ownership.xml","form_type":"4"}},{"id":860396,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, CFO & Treasurer, Pres. ALS"}}],"security":"Common Stock","published_at":"2026-03-05T20:45:38.000Z","date":"2026-03-04","kind":"grant","planned":false,"acquired":true,"shares":19800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent shares to be issued in connection with the satisfaction of performance requirements based on Ampco-Pittsburgh Corporation's achievement of targeted Relative Total Shareholder Return.  The vesting of these shares is contingent on the Reporting Person's continued service to the Issuer through May 15, 2026."}],"balance_after":86103,"source":{"system":"sec-edgar","filing":"0001193125-26-093860","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526093860/ownership.xml","form_type":"4"}},{"id":860395,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2026-03-05T20:09:49.000Z","date":"2026-03-04","kind":"grant","planned":false,"acquired":true,"shares":42240,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent shares to be issued in connection with the satisfaction of performance requirements based on Ampco-Pittsburgh Corporation's achievement of targeted Relative Total Shareholder Return.  The vesting of these shares is contingent on the Reporting Person's continued service to the Issuer through May 15, 2026."}],"balance_after":204151,"source":{"system":"sec-edgar","filing":"0001193125-26-093699","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526093699/ownership.xml","form_type":"4"}},{"id":860394,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-03-05T19:54:13.000Z","date":"2026-03-04","kind":"grant","planned":false,"acquired":true,"shares":129600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent shares to be issued in connection with the satisfaction of performance requirements based on Ampco-Pittsburgh Corporation's achievement of targeted Relative Total Shareholder Return.  The vesting of these shares is contingent on the Reporting Person's continued service to the Issuer through May 15, 2026."}],"balance_after":578231,"source":{"system":"sec-edgar","filing":"0001193125-26-093655","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312526093655/ownership.xml","form_type":"4"}},{"id":984759,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-12-02T14:28:00.000Z","date":"2025-12-01","kind":"purchase","planned":false,"acquired":true,"shares":19000,"price":2.576,"value":48944.0,"ownership":{"direct":true},"balance_after":448631,"source":{"system":"sec-edgar","filing":"0001193125-25-304641","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312525304641/ownership.xml","form_type":"4"}},{"id":988254,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":72574,"kind":"organization","name":"Louis Berkman Investment CO","position":1,"cik":"0001351834","reported_name":"Louis Berkman Investment CO","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"COMMON STOCK","published_at":"2025-11-26T15:55:10.000Z","date":"2025-11-17","kind":"purchase","planned":false,"acquired":true,"shares":93000,"price":2.67,"value":248310.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.70 to $2.57, inclusive. The reporting person undertakes to provide to any security holder of Ampco-Pittsburgh Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4."}],"balance_after":3127792,"source":{"system":"sec-edgar","filing":"0001193125-25-299036","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312525299036/ownership.xml","form_type":"4"}},{"id":994955,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":18930,"kind":"person","name":"McNair Darrell L","position":1,"cik":"0001912179","reported_name":"McNair Darrell L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-19T20:47:31.000Z","date":"2025-11-19","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":2.52,"value":7560.0,"ownership":{"direct":true},"balance_after":63912,"source":{"system":"sec-edgar","filing":"0001193125-25-288045","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312525288045/ownership.xml","form_type":"4"}},{"id":997426,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":18930,"kind":"person","name":"McNair Darrell L","position":1,"cik":"0001912179","reported_name":"McNair Darrell L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-18T21:00:56.000Z","date":"2025-11-17","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":2.68,"value":26800.0,"ownership":{"direct":true},"balance_after":60912,"source":{"system":"sec-edgar","filing":"0001193125-25-286131","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312525286131/ownership.xml","form_type":"4"}},{"id":997424,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46728,"kind":"person","name":"GERMAN MICHAEL I","position":1,"cik":"0001012714","reported_name":"GERMAN MICHAEL I","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-18T16:17:30.000Z","date":"2025-11-17","kind":"purchase","planned":false,"acquired":true,"shares":40000,"price":2.65,"value":106000.0,"ownership":{"direct":true},"balance_after":221670,"source":{"system":"sec-edgar","filing":"0001193125-25-285590","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000119312525285590/ownership.xml","form_type":"4"}},{"id":1146820,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Performance Rights","published_at":"2025-05-16T16:21:52.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":18546,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each performance right represents a contingent right to receive one share of common stock of the Company.  The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award.  The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each performance right represents a contingent right to receive one share of common stock of the Company.  The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award.  The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027."}],"balance_after":18546,"derivative":{"expiration_date":"2028-05-15","underlying":"Common Stock","underlying_shares":18546},"source":{"system":"sec-edgar","filing":"0000950170-25-073234","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073234/ownership.xml","form_type":"4"}},{"id":1146819,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Common Stock","published_at":"2025-05-16T16:21:52.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":18000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":66303,"source":{"system":"sec-edgar","filing":"0000950170-25-073234","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073234/ownership.xml","form_type":"4"}},{"id":1146818,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Common Stock","published_at":"2025-05-16T16:21:52.000Z","date":"2025-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":1496,"price":2.26,"value":3380.96,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F2","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2024 grant of Restricted Stock Units."}],"balance_after":48303,"source":{"system":"sec-edgar","filing":"0000950170-25-073234","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073234/ownership.xml","form_type":"4"}},{"id":1146817,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Common Stock","published_at":"2025-05-16T16:21:52.000Z","date":"2025-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":942,"price":2.26,"value":2128.92,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":49799,"source":{"system":"sec-edgar","filing":"0000950170-25-073234","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073234/ownership.xml","form_type":"4"}},{"id":1146816,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Performance Rights","published_at":"2025-05-16T16:05:39.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":25485,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each performance right represents a contingent right to receive one share of common stock of the Company.  The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award.  The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each performance right represents a contingent right to receive one share of common stock of the Company.  The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award.  The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027."}],"balance_after":25485,"derivative":{"expiration_date":"2028-05-15","underlying":"Common Stock","underlying_shares":25485},"source":{"system":"sec-edgar","filing":"0000950170-25-073231","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073231/ownership.xml","form_type":"4"}},{"id":1146815,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2025-05-16T16:05:39.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":24735,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":161911,"source":{"system":"sec-edgar","filing":"0000950170-25-073231","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073231/ownership.xml","form_type":"4"}},{"id":1146814,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2025-05-16T16:05:39.000Z","date":"2025-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":3375,"price":2.26,"value":7627.5,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":137176,"source":{"system":"sec-edgar","filing":"0000950170-25-073231","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073231/ownership.xml","form_type":"4"}},{"id":1146813,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Performance Rights","published_at":"2025-05-16T15:59:48.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":27540,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each performance right represents a contingent right to receive one share of common stock of the Company.  The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award.  The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each performance right represents a contingent right to receive one share of common stock of the Company.  The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award.  The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027."}],"balance_after":27540,"derivative":{"expiration_date":"2028-05-15","underlying":"Common Stock","underlying_shares":27540},"source":{"system":"sec-edgar","filing":"0000950170-25-073227","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073227/ownership.xml","form_type":"4"}},{"id":1146812,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-05-16T15:59:48.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":26730,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":175765.635,"source":{"system":"sec-edgar","filing":"0000950170-25-073227","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073227/ownership.xml","form_type":"4"}},{"id":1146811,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-05-16T15:59:48.000Z","date":"2025-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":2278,"price":2.26,"value":5148.28,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F2","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2024 grant of Restricted Stock Units."}],"balance_after":149035.635,"source":{"system":"sec-edgar","filing":"0000950170-25-073227","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073227/ownership.xml","form_type":"4"}},{"id":1146810,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-05-16T15:59:48.000Z","date":"2025-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":2052,"price":2.26,"value":4637.52,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the performance-based restricted stock units."}],"balance_after":151313.635,"source":{"system":"sec-edgar","filing":"0000950170-25-073227","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073227/ownership.xml","form_type":"4"}},{"id":1146809,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Performance Rights","published_at":"2025-05-16T15:50:20.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":80673,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each performance right represents a contingent right to receive one share of common stock of the Company.  The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award.  The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each performance right represents a contingent right to receive one share of common stock of the Company.  The number of securities reported in Table II, column 5 of this Form 4 represents the target payout of the award.  The number of shares of common stock payable upon vesting of the award, which will occur on May 15, 2028, could range from 0% to 200% of target, if and to the extent that the Company's stock price reaches specified levels during the performance period ending on December 31, 2027."}],"balance_after":80673,"derivative":{"expiration_date":"2028-05-15","underlying":"Common Stock","underlying_shares":80673},"source":{"system":"sec-edgar","filing":"0000950170-25-073221","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073221/ownership.xml","form_type":"4"}},{"id":1146808,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-16T15:50:20.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":78300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 8, 2025.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of the Company's common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":429631,"source":{"system":"sec-edgar","filing":"0000950170-25-073221","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073221/ownership.xml","form_type":"4"}},{"id":1146807,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-16T15:50:20.000Z","date":"2025-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":11542,"price":2.26,"value":26084.92,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F2","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2024 grant of Restricted Stock Units."}],"balance_after":351331,"source":{"system":"sec-edgar","filing":"0000950170-25-073221","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073221/ownership.xml","form_type":"4"}},{"id":1146806,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-16T15:50:20.000Z","date":"2025-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":10474,"price":2.26,"value":23671.24,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":362873,"source":{"system":"sec-edgar","filing":"0000950170-25-073221","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025073221/ownership.xml","form_type":"4"}},{"id":1148737,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":23383,"kind":"person","name":"PAUL LAURENCE E","position":1,"cik":"0001190966","reported_name":"PAUL LAURENCE E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:18:03.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":84368,"source":{"system":"sec-edgar","filing":"0000950170-25-072678","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025072678/ownership.xml","form_type":"4"}},{"id":1148736,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":18930,"kind":"person","name":"McNair Darrell L","position":1,"cik":"0001912179","reported_name":"McNair Darrell L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:17:10.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":50912,"source":{"system":"sec-edgar","filing":"0000950170-25-072671","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025072671/ownership.xml","form_type":"4"}},{"id":1148735,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46727,"kind":"person","name":"LIEBERMAN WILLIAM K","position":1,"cik":"0001279916","reported_name":"LIEBERMAN WILLIAM K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:16:14.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":50912,"source":{"system":"sec-edgar","filing":"0000950170-25-072668","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025072668/ownership.xml","form_type":"4"}},{"id":1148734,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46728,"kind":"person","name":"GERMAN MICHAEL I","position":1,"cik":"0001012714","reported_name":"GERMAN MICHAEL I","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:15:29.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":181670,"source":{"system":"sec-edgar","filing":"0000950170-25-072663","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025072663/ownership.xml","form_type":"4"}},{"id":1148732,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":40363,"kind":"person","name":"DeMichiei Robert","position":1,"cik":"0001928634","reported_name":"DeMichiei Robert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:14:35.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":78185,"source":{"system":"sec-edgar","filing":"0000950170-25-072646","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025072646/ownership.xml","form_type":"4"}},{"id":1148733,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":41385,"kind":"person","name":"Fessenden Elizabeth Anne","position":1,"cik":"0001452008","reported_name":"Fessenden Elizabeth Anne","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:13:45.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":119330,"source":{"system":"sec-edgar","filing":"0000950170-25-072643","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025072643/ownership.xml","form_type":"4"}},{"id":1148731,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79799,"kind":"person","name":"ABEL JAMES J","position":1,"cik":"0001192135","reported_name":"ABEL JAMES J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:12:43.000Z","date":"2025-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 8, 2025.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":150546,"source":{"system":"sec-edgar","filing":"0000950170-25-072638","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025072638/ownership.xml","form_type":"4"}},{"id":1158455,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-05-06T14:11:00.000Z","date":"2025-05-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":9821,"price":2.23,"value":21900.83,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of Restricted Stock Units."}],"balance_after":373347,"source":{"system":"sec-edgar","filing":"0000950170-25-064044","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025064044/ownership.xml","form_type":"4"}},{"id":1158451,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Common Stock","published_at":"2025-05-06T14:03:38.000Z","date":"2025-05-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":2022,"price":2.23,"value":4509.06,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of Restricted Stock Units."}],"balance_after":153365.635,"source":{"system":"sec-edgar","filing":"0000950170-25-064040","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025064040/ownership.xml","form_type":"4"}},{"id":1158450,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2025-05-06T13:54:37.000Z","date":"2025-05-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":3222,"price":2.23,"value":7185.06,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of Restricted Stock Units."}],"balance_after":140551,"source":{"system":"sec-edgar","filing":"0000950170-25-064032","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025064032/ownership.xml","form_type":"4"}},{"id":1158449,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Common Stock","published_at":"2025-05-06T13:54:05.000Z","date":"2025-05-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":750,"price":2.23,"value":1672.5,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of Restricted Stock Units."}],"balance_after":50741,"source":{"system":"sec-edgar","filing":"0000950170-25-064029","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025064029/ownership.xml","form_type":"4"}},{"id":1191826,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":41385,"kind":"person","name":"Fessenden Elizabeth Anne","position":1,"cik":"0001452008","reported_name":"Fessenden Elizabeth Anne","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-03-26T14:20:09.000Z","date":"2025-03-25","kind":"purchase","planned":false,"acquired":true,"shares":1380,"price":2.16,"value":2980.8,"ownership":{"direct":true},"balance_after":106602,"source":{"system":"sec-edgar","filing":"0000950170-25-044855","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025044855/ownership.xml","form_type":"4"}},{"id":1191825,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":41385,"kind":"person","name":"Fessenden Elizabeth Anne","position":1,"cik":"0001452008","reported_name":"Fessenden Elizabeth Anne","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-03-26T14:20:09.000Z","date":"2025-03-24","kind":"purchase","planned":false,"acquired":true,"shares":300,"price":2.27,"value":681.0,"ownership":{"direct":true},"balance_after":105222,"source":{"system":"sec-edgar","filing":"0000950170-25-044855","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025044855/ownership.xml","form_type":"4"}},{"id":1191824,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":41385,"kind":"person","name":"Fessenden Elizabeth Anne","position":1,"cik":"0001452008","reported_name":"Fessenden Elizabeth Anne","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-03-26T14:20:09.000Z","date":"2025-03-24","kind":"purchase","planned":false,"acquired":true,"shares":720,"price":2.255,"value":1623.6,"ownership":{"direct":true},"balance_after":104922,"source":{"system":"sec-edgar","filing":"0000950170-25-044855","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025044855/ownership.xml","form_type":"4"}},{"id":1191823,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":41385,"kind":"person","name":"Fessenden Elizabeth Anne","position":1,"cik":"0001452008","reported_name":"Fessenden Elizabeth Anne","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-03-26T14:20:09.000Z","date":"2025-03-24","kind":"purchase","planned":false,"acquired":true,"shares":1380,"price":2.2163,"value":3058.494,"ownership":{"direct":true},"balance_after":104202,"source":{"system":"sec-edgar","filing":"0000950170-25-044855","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017025044855/ownership.xml","form_type":"4"}},{"id":1513643,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":37524,"kind":"person","name":"DiSanto Frederick D.","position":1,"cik":"0001498290","reported_name":"DiSanto Frederick D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common Stock, par value $0.01 per share","published_at":"2024-05-17T17:18:35.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023. These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":72633,"source":{"system":"sec-edgar","filing":"0001498290-24-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000149829024000002/primary_doc.xml","form_type":"4"}},{"id":1513642,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":18930,"kind":"person","name":"McNair Darrell L","position":1,"cik":"0001912179","reported_name":"McNair Darrell L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T16:23:31.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023.  These grants of restricted stock vest on the first anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects the correction of the Reporting Person's shares."}],"balance_after":38184,"source":{"system":"sec-edgar","filing":"0000950170-24-061423","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061423/ownership.xml","form_type":"4"}},{"id":1513641,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46728,"kind":"person","name":"GERMAN MICHAEL I","position":1,"cik":"0001012714","reported_name":"GERMAN MICHAEL I","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T16:16:13.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":168942,"source":{"system":"sec-edgar","filing":"0000950170-24-061416","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061416/ownership.xml","form_type":"4"}},{"id":1513640,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46727,"kind":"person","name":"LIEBERMAN WILLIAM K","position":1,"cik":"0001279916","reported_name":"LIEBERMAN WILLIAM K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T16:10:41.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":38184,"source":{"system":"sec-edgar","filing":"0000950170-24-061411","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061411/ownership.xml","form_type":"4"}},{"id":1513639,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":90964,"kind":"person","name":"PAUL STEPHEN E","position":1,"cik":"0001190969","reported_name":"PAUL STEPHEN E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T16:03:22.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":112764,"source":{"system":"sec-edgar","filing":"0000950170-24-061404","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061404/ownership.xml","form_type":"4"}},{"id":1513638,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":23383,"kind":"person","name":"PAUL LAURENCE E","position":1,"cik":"0001190966","reported_name":"PAUL LAURENCE E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T15:55:30.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":71640,"source":{"system":"sec-edgar","filing":"0000950170-24-061397","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061397/ownership.xml","form_type":"4"}},{"id":1513635,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":41385,"kind":"person","name":"Fessenden Elizabeth Anne","position":1,"cik":"0001452008","reported_name":"Fessenden Elizabeth Anne","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T15:44:58.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":102822,"source":{"system":"sec-edgar","filing":"0000950170-24-061394","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061394/ownership.xml","form_type":"4"}},{"id":1513637,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":40363,"kind":"person","name":"DeMichiei Robert","position":1,"cik":"0001928634","reported_name":"DeMichiei Robert","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T15:37:38.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":65457,"source":{"system":"sec-edgar","filing":"0000950170-24-061390","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061390/ownership.xml","form_type":"4"}},{"id":1513636,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79799,"kind":"person","name":"ABEL JAMES J","position":1,"cik":"0001192135","reported_name":"ABEL JAMES J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-17T15:30:59.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":12728,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of restricted stock under the Ampco-Pittsburgh Corporation 2016 Omnibus Incentive Plan, as amended and restated May 18, 2023.  These grants of restricted stock vest on the first anniversary of the grant date."}],"balance_after":137818,"source":{"system":"sec-edgar","filing":"0000950170-24-061386","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061386/ownership.xml","form_type":"4"}},{"id":1515542,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2024-05-16T19:03:03.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":71400,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 18, 2023.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of Ampco-Pittsburgh Corporation common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":383168,"source":{"system":"sec-edgar","filing":"0000950170-24-061013","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061013/ownership.xml","form_type":"4"}},{"id":1515541,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2024-05-16T19:03:03.000Z","date":"2024-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":10474,"price":1.61,"value":16863.14,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":311768,"source":{"system":"sec-edgar","filing":"0000950170-24-061013","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061013/ownership.xml","form_type":"4"}},{"id":1515544,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-05-16T18:52:59.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":23970,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 18, 2023.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of Ampco-Pittsburgh Corporation common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":155387.635,"source":{"system":"sec-edgar","filing":"0000950170-24-061006","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061006/ownership.xml","form_type":"4"}},{"id":1515543,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-05-16T18:52:59.000Z","date":"2024-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":2051,"price":1.61,"value":3302.11,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":131417.635,"source":{"system":"sec-edgar","filing":"0000950170-24-061006","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024061006/ownership.xml","form_type":"4"}},{"id":1515540,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2024-05-16T18:40:12.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":22080,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 18, 2023.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of Ampco-Pittsburgh Corporation common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":143773,"source":{"system":"sec-edgar","filing":"0000950170-24-060995","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024060995/ownership.xml","form_type":"4"}},{"id":1515539,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2024-05-16T18:40:12.000Z","date":"2024-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":2760,"price":1.61,"value":4443.6,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":121693,"source":{"system":"sec-edgar","filing":"0000950170-24-060995","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024060995/ownership.xml","form_type":"4"}},{"id":1515532,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Common Stock","published_at":"2024-05-16T18:24:08.000Z","date":"2024-05-15","kind":"grant","planned":false,"acquired":true,"shares":15750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents a grant of restricted stock units under the Ampco-Pittsburgh Corporation (\"Company\") 2016 Omnibus Incentive Plan, as amended and restated as of May 18, 2023.  Each restricted stock unit represents the contingent right to receive upon vesting of the unit, one share of Ampco-Pittsburgh Corporation common stock.  Restricted stock units vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":51491,"source":{"system":"sec-edgar","filing":"0000950170-24-060981","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024060981/ownership.xml","form_type":"4"}},{"id":1515531,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Common Stock","published_at":"2024-05-16T18:24:08.000Z","date":"2024-05-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":940,"price":1.61,"value":1513.4,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2023 grant of Restricted Stock Units."}],"balance_after":35741,"source":{"system":"sec-edgar","filing":"0000950170-24-060981","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024060981/ownership.xml","form_type":"4"}},{"id":1516899,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2024-05-15T18:52:20.000Z","date":"2024-05-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":8712,"price":1.87,"value":16291.44,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2021 grant of Restricted Stock Units."}],"balance_after":322242,"source":{"system":"sec-edgar","filing":"0000950170-24-060317","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024060317/ownership.xml","form_type":"4"}},{"id":1516898,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-05-15T18:51:29.000Z","date":"2024-05-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":1770,"price":1.87,"value":3309.9,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2021 grant of Restricted Stock Units."}],"balance_after":133468.635,"source":{"system":"sec-edgar","filing":"0000950170-24-060314","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024060314/ownership.xml","form_type":"4"}},{"id":1516897,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2024-05-15T18:50:55.000Z","date":"2024-05-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":2405,"price":1.87,"value":4497.35,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2021 grant of Restricted Stock Units."}],"balance_after":124453,"source":{"system":"sec-edgar","filing":"0000950170-24-060313","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024060313/ownership.xml","form_type":"4"}},{"id":1516896,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Common Stock","published_at":"2024-05-15T18:50:06.000Z","date":"2024-05-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":316,"price":1.87,"value":590.92,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2021 grant of Restricted Stock Units."}],"balance_after":36681,"source":{"system":"sec-edgar","filing":"0000950170-24-060311","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024060311/ownership.xml","form_type":"4"}},{"id":1524222,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":45868,"kind":"person","name":"McBrayer Brett","position":1,"cik":"0001744984","reported_name":"McBrayer Brett","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2024-05-09T00:18:16.000Z","date":"2024-05-06","kind":"tax_withholding","planned":false,"acquired":false,"shares":9819,"price":2.04,"value":20030.76,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of Restricted Stock Units."}],"balance_after":330954,"source":{"system":"sec-edgar","filing":"0000950170-24-056135","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024056135/ownership.xml","form_type":"4"}},{"id":1524221,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":79734,"kind":"person","name":"McAuley Michael G","position":1,"cik":"0001612993","reported_name":"McAuley Michael G","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior V.P., CFO & Treasurer"}}],"security":"Common Stock","published_at":"2024-05-09T00:11:29.000Z","date":"2024-05-06","kind":"tax_withholding","planned":false,"acquired":false,"shares":2180,"price":2.04,"value":4447.2,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of Restricted Stock Units."}],"balance_after":135238.635,"source":{"system":"sec-edgar","filing":"0000950170-24-056129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024056129/ownership.xml","form_type":"4"}},{"id":1524220,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":35309,"kind":"person","name":"Lyon Samuel","position":1,"cik":"0001747181","reported_name":"Lyon Samuel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Union Electric"}}],"security":"Common Stock","published_at":"2024-05-08T23:54:51.000Z","date":"2024-05-06","kind":"tax_withholding","planned":false,"acquired":false,"shares":2930,"price":2.04,"value":5977.2,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of Restricted Stock Units."}],"balance_after":126858,"source":{"system":"sec-edgar","filing":"0000950170-24-056118","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024056118/ownership.xml","form_type":"4"}},{"id":1524219,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":46273,"kind":"person","name":"Anderson David George","position":1,"cik":"0001905958","reported_name":"Anderson David George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Air & Liquid Systms"}}],"security":"Common Stock","published_at":"2024-05-08T23:38:02.000Z","date":"2024-05-06","kind":"tax_withholding","planned":false,"acquired":false,"shares":887,"price":2.04,"value":1809.48,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents the payment of tax liability by withholding shares incident to the vesting of the 2022 grant of restricted stock units."}],"balance_after":36997,"source":{"system":"sec-edgar","filing":"0000950170-24-056101","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000095017024056101/ownership.xml","form_type":"4"}},{"id":1776655,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":18930,"kind":"person","name":"McNair Darrell L","position":1,"cik":"0001912179","reported_name":"McNair Darrell L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-09-20T16:46:24.000Z","date":"2023-09-13","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":3.12,"value":9360.0,"ownership":{"direct":false,"nature":"By Trust"},"balance_after":6640,"source":{"system":"sec-edgar","filing":"0001209191-23-050111","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000120919123050111/doc4.xml","form_type":"4"}},{"id":1839169,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":37524,"kind":"person","name":"DiSanto Frederick D.","position":1,"cik":"0001498290","reported_name":"DiSanto Frederick D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common Stock, par value $0.01 per share","published_at":"2023-07-05T16:03:08.000Z","date":"2023-06-29","kind":"purchase","planned":false,"acquired":true,"shares":7399,"price":2.99,"value":22123.01,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent open market purchases and the amendment of the total beneficially owned share amount."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amending total ownership amount."}],"balance_after":59905,"source":{"system":"sec-edgar","filing":"0001498290-23-000008","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000149829023000008/primary_doc.xml","form_type":"4/A","original_submission_date":"2023-07-03"}},{"id":1839168,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":37524,"kind":"person","name":"DiSanto Frederick D.","position":1,"cik":"0001498290","reported_name":"DiSanto Frederick D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common Stock, par value $0.01 per share","published_at":"2023-07-05T16:03:08.000Z","date":"2023-06-28","kind":"purchase","planned":false,"acquired":true,"shares":918,"price":2.85,"value":2616.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent open market purchases and the amendment of the total beneficially owned share amount."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amending total ownership amount."}],"balance_after":52506,"source":{"system":"sec-edgar","filing":"0001498290-23-000008","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000149829023000008/primary_doc.xml","form_type":"4/A","original_submission_date":"2023-07-03"}},{"id":1840722,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":37524,"kind":"person","name":"DiSanto Frederick D.","position":1,"cik":"0001498290","reported_name":"DiSanto Frederick D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common Stock, par value $0.01 per share","published_at":"2023-07-03T15:41:55.000Z","date":"2023-06-29","kind":"purchase","planned":false,"acquired":true,"shares":7399,"price":2.99,"value":22123.01,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent open market purchases and the amendment of the total beneficially owned share amount."}],"balance_after":47177,"source":{"system":"sec-edgar","filing":"0001498290-23-000007","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000149829023000007/primary_doc.xml","form_type":"4"}},{"id":1840721,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":37524,"kind":"person","name":"DiSanto Frederick D.","position":1,"cik":"0001498290","reported_name":"DiSanto Frederick D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common Stock, par value $0.01 per share","published_at":"2023-07-03T15:41:55.000Z","date":"2023-06-28","kind":"purchase","planned":false,"acquired":true,"shares":918,"price":2.85,"value":2616.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent open market purchases and the amendment of the total beneficially owned share amount."}],"balance_after":39778,"source":{"system":"sec-edgar","filing":"0001498290-23-000007","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000149829023000007/primary_doc.xml","form_type":"4"}},{"id":1844797,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":37524,"kind":"person","name":"DiSanto Frederick D.","position":1,"cik":"0001498290","reported_name":"DiSanto Frederick D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common Stock, par value $0.01 per share","published_at":"2023-06-26T15:35:25.000Z","date":"2023-06-23","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":2.94,"value":5880.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent open market purchases and the amendment of the total beneficially owned share amount."}],"balance_after":38860,"source":{"system":"sec-edgar","filing":"0001498290-23-000006","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000149829023000006/primary_doc.xml","form_type":"4"}},{"id":1844796,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":37524,"kind":"person","name":"DiSanto Frederick D.","position":1,"cik":"0001498290","reported_name":"DiSanto Frederick D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common Stock, par value $0.01 per share","published_at":"2023-06-26T15:35:25.000Z","date":"2023-06-22","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":2.94,"value":14700.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent open market purchases and the amendment of the total beneficially owned share amount."}],"balance_after":36860,"source":{"system":"sec-edgar","filing":"0001498290-23-000006","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/6176/000149829023000006/primary_doc.xml","form_type":"4"}},{"id":1880635,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":113189,"kind":"person","name":"PFORZHEIMER CARL H II","position":1,"cik":"0001190987","reported_name":"PFORZHEIMER CARL H II","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series A Warrant (right to buy)","published_at":"2023-05-24T13:35:29.000Z","date":"2022-07-22","kind":"exercise","planned":false,"acquired":false,"shares":1600,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"Other than between May 31, 2022 and before 11:59 p.m. Eastern Time on July 15, 2022, when each Series A warrant represented the right to purchase 0.4464 shares of common stock at a temporarily reduced exercise price of $1.7856 per each Series A warrant, each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per series A warrant (or $5.75 per whole share of the Issuer's common stock). The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Other than between May 31, 2022 and before 11:59 p.m. Eastern Time on July 15, 2022, when each Series A warrant represented the right to purchase 0.4464 shares of common stock at a temporarily reduced exercise price of $1.7856 per each Series A warrant, each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per series A warrant (or $5.75 per whole share of the Issuer's common stock). The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"date","element":"transactionDate","label":"F1","text":"This Form 4 is being filed to include the acquisition of shares of common stock and Series A Warrants that had been inadvertently omitted."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents the conversion of Series A warrants issued by the Issuer as part of the Rights Offering, converted at the temporarily discounted price of $1.7856 per Series A warrant (or $4.00 per whole share of the Issuer's common stock). Beginning May 31, 2022 and expiring at 11:59 p.m. Eastern Time on July 15, 2022, the Issuer through an offer to exercise offered holders of the Issuer's outstanding Series A warrants the opportunity to exercise their Series A warrants at the temporarily reduced exercise price of $1.7856 per Series A warrant (or $4.00 per whole share of the Corporation's common stock)."},{"field":"shares","element":"transactionShares","label":"F5","text":"Other than between May 31, 2022 and before 11:59 p.m. Eastern Time on July 15, 2022, when each Series A warrant represented the right to purchase 0.4464 shares of common stock at a temporarily reduced exercise price of $1.7856 per each Series A warrant, each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per series A warrant (or $5.75 per whole share of the Issuer's common stock). The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Series A warrants were issued on September 22, 2020 upon the conversion of a subscription right issued by the Issuer as part of a rights offering. Each subscription right was exercisable for units that consisted of (i) 0.4464 shares of common stock and (ii) a Series A warrant exercisable to acquire 0.4464 shares of common stock at an exercise price of $2.5668 (or $5.75 per whole share of common stock under the Series A warrants). The subscription price of each unit was $1.5624 per unit (or $3.50 per whole share of common stock and Series A warrants to purchase a whole share of common stock). The securities issued upon conversion of the subscription rights are exempted from Section 16(b) pursuant to Rule 16b-3."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held equally between two different trusts, including half of the shares that are held by a trust of which Reporting Person is a trustee and principal beneficiary and the other half are held by a trust of which Reporting Person is a trustee in which he disclaims beneficial ownership."}],"balance_after":0,"derivative":{"exercise_price":2.5668,"exercise_date":"2020-09-22","expiration_date":"2025-08-01","underlying":"Common Stock","underlying_shares":714},"source":{"system":"sec-edgar","filing":"0001209191-23-031817","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/6176/000120919123031817/doc4.xml","form_type":"4"}},{"id":1880634,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":113189,"kind":"person","name":"PFORZHEIMER CARL H II","position":1,"cik":"0001190987","reported_name":"PFORZHEIMER CARL H II","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series A Warrant (right to buy)","published_at":"2023-05-24T13:35:29.000Z","date":"2020-09-22","kind":"other","planned":false,"acquired":true,"shares":1600,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"Other than between May 31, 2022 and before 11:59 p.m. Eastern Time on July 15, 2022, when each Series A warrant represented the right to purchase 0.4464 shares of common stock at a temporarily reduced exercise price of $1.7856 per each Series A warrant, each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per series A warrant (or $5.75 per whole share of the Issuer's common stock). The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Other than between May 31, 2022 and before 11:59 p.m. Eastern Time on July 15, 2022, when each Series A warrant represented the right to purchase 0.4464 shares of common stock at a temporarily reduced exercise price of $1.7856 per each Series A warrant, each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per series A warrant (or $5.75 per whole share of the Issuer's common stock). The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"date","element":"transactionDate","label":"F1","text":"This Form 4 is being filed to include the acquisition of shares of common stock and Series A Warrants that had been inadvertently omitted."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the conversion of a subscription right issued by the Issuer as part of a rights offering that closed on September 22, 2020 (the \"Rights Offering\").  Each subscription right was exercisable for units that consisted of (i) 0.4464 shares of common stock and (ii) a Series A warrant exercisable to acquire 0.4464 shares of common stock at an exercise price of $2.5668 (or $5.75 per whole share of common stock under the Series A warrants).  The subscription price of each unit was $1.5624 per unit (or $3.50 per whole share of common stock and Series A warrants to purchase a whole share of common stock).  The securities issued upon conversion of the subscription rights are exempted from Section 16(b) pursuant to Rule 16b-3."},{"field":"shares","element":"transactionShares","label":"F5","text":"Other than between May 31, 2022 and before 11:59 p.m. Eastern Time on July 15, 2022, when each Series A warrant represented the right to purchase 0.4464 shares of common stock at a temporarily reduced exercise price of $1.7856 per each Series A warrant, each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per series A warrant (or $5.75 per whole share of the Issuer's common stock). The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the conversion of a subscription right issued by the Issuer as part of a rights offering that closed on September 22, 2020 (the \"Rights Offering\").  Each subscription right was exercisable for units that consisted of (i) 0.4464 shares of common stock and (ii) a Series A warrant exercisable to acquire 0.4464 shares of common stock at an exercise price of $2.5668 (or $5.75 per whole share of common stock under the Series A warrants).  The subscription price of each unit was $1.5624 per unit (or $3.50 per whole share of common stock and Series A warrants to purchase a whole share of common stock).  The securities issued upon conversion of the subscription rights are exempted from Section 16(b) pursuant to Rule 16b-3."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held equally between two different trusts, including half of the shares that are held by a trust of which Reporting Person is a trustee and principal beneficiary and the other half are held by a trust of which Reporting Person is a trustee in which he disclaims beneficial ownership."}],"balance_after":1600,"derivative":{"exercise_price":2.5668,"exercise_date":"2020-09-22","expiration_date":"2025-08-01","underlying":"Common Stock","underlying_shares":714},"source":{"system":"sec-edgar","filing":"0001209191-23-031817","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/6176/000120919123031817/doc4.xml","form_type":"4"}},{"id":1880633,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":113189,"kind":"person","name":"PFORZHEIMER CARL H II","position":1,"cik":"0001190987","reported_name":"PFORZHEIMER CARL H II","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Subscription Rights (right to buy)","published_at":"2023-05-24T13:35:29.000Z","date":"2020-09-22","kind":"other","planned":false,"acquired":false,"shares":1600,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This Form 4 is being filed to include the acquisition of shares of common stock and Series A Warrants that had been inadvertently omitted."},{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents the conversion of a subscription right issued by the Issuer as part of a rights offering that closed on September 22, 2020 (the \"Rights Offering\").  Each subscription right was exercisable for units that consisted of (i) 0.4464 shares of common stock and (ii) a Series A warrant exercisable to acquire 0.4464 shares of common stock at an exercise price of $2.5668 (or $5.75 per whole share of common stock under the Series A warrants).  The subscription price of each unit was $1.5624 per unit (or $3.50 per whole share of common stock and Series A warrants to purchase a whole share of common stock).  The securities issued upon conversion of the subscription rights are exempted from Section 16(b) pursuant to Rule 16b-3."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Represents the conversion of a subscription right issued by the Issuer as part of a rights offering that closed on September 22, 2020 (the \"Rights Offering\").  Each subscription right was exercisable for units that consisted of (i) 0.4464 shares of common stock and (ii) a Series A warrant exercisable to acquire 0.4464 shares of common stock at an exercise price of $2.5668 (or $5.75 per whole share of common stock under the Series A warrants).  The subscription price of each unit was $1.5624 per unit (or $3.50 per whole share of common stock and Series A warrants to purchase a whole share of common stock).  The securities issued upon conversion of the subscription rights are exempted from Section 16(b) pursuant to Rule 16b-3."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Represents the conversion of a subscription right issued by the Issuer as part of a rights offering that closed on September 22, 2020 (the \"Rights Offering\").  Each subscription right was exercisable for units that consisted of (i) 0.4464 shares of common stock and (ii) a Series A warrant exercisable to acquire 0.4464 shares of common stock at an exercise price of $2.5668 (or $5.75 per whole share of common stock under the Series A warrants).  The subscription price of each unit was $1.5624 per unit (or $3.50 per whole share of common stock and Series A warrants to purchase a whole share of common stock).  The securities issued upon conversion of the subscription rights are exempted from Section 16(b) pursuant to Rule 16b-3."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held equally between two different trusts, including half of the shares that are held by a trust of which Reporting Person is a trustee and principal beneficiary and the other half are held by a trust of which Reporting Person is a trustee in which he disclaims beneficial ownership."}],"balance_after":0,"derivative":{"exercise_price":1.5624,"exercise_date":"2020-08-18","expiration_date":"2020-09-18","underlying":"Units consisting of Common Stock and Series A Warrants"},"source":{"system":"sec-edgar","filing":"0001209191-23-031817","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/6176/000120919123031817/doc4.xml","form_type":"4"}},{"id":1880632,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":113189,"kind":"person","name":"PFORZHEIMER CARL H II","position":1,"cik":"0001190987","reported_name":"PFORZHEIMER CARL H II","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-05-24T13:35:29.000Z","date":"2022-07-22","kind":"exercise","planned":false,"acquired":true,"shares":714,"price":4,"value":2856.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"This Form 4 is being filed to include the acquisition of shares of common stock and Series A Warrants that had been inadvertently omitted."},{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents the conversion of Series A warrants issued by the Issuer as part of the Rights Offering, converted at the temporarily discounted price of $1.7856 per Series A warrant (or $4.00 per whole share of the Issuer's common stock). Beginning May 31, 2022 and expiring at 11:59 p.m. Eastern Time on July 15, 2022, the Issuer through an offer to exercise offered holders of the Issuer's outstanding Series A warrants the opportunity to exercise their Series A warrants at the temporarily reduced exercise price of $1.7856 per Series A warrant (or $4.00 per whole share of the Corporation's common stock)."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the conversion of Series A warrants issued by the Issuer as part of the Rights Offering, converted at the temporarily discounted price of $1.7856 per Series A warrant (or $4.00 per whole share of the Issuer's common stock). Beginning May 31, 2022 and expiring at 11:59 p.m. Eastern Time on July 15, 2022, the Issuer through an offer to exercise offered holders of the Issuer's outstanding Series A warrants the opportunity to exercise their Series A warrants at the temporarily reduced exercise price of $1.7856 per Series A warrant (or $4.00 per whole share of the Corporation's common stock)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Shares are held equally between two different trusts, including half of the shares that are held by a trust of which Reporting Person is a trustee and principal beneficiary and the other half are held by a trust of which Reporting Person is a trustee in which he disclaims beneficial ownership."}],"balance_after":3028,"source":{"system":"sec-edgar","filing":"0001209191-23-031817","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/6176/000120919123031817/doc4.xml","form_type":"4"}}],"next_cursor":"2023-05-24T13:35:29.000000Z,1880632"}