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The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per share and was issued as part of a subscription right issued in a rights offering by the Issuer. The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents 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":"shares","element":"transactionShares","label":"F2","text":"Each Series A warrant represents the right to purchase 0.4464 shares of common stock at an exercise price of $2.5668 per share and was issued as part of a subscription right issued in a rights offering by the Issuer. The Series A warrants are exercisable only for whole numbers of shares of Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents 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."}],"balance_after":5000,"derivative":{"exercise_price":2.5668,"exercise_date":"2020-09-22","expiration_date":"2025-08-01","underlying":"Common Stock","underlying_shares":2232},"source":{"system":"sec-edgar","filing":"0001209191-20-051759","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/6176/000120919120051759/doc4.xml","form_type":"4"}},{"id":3023353,"issuer":{"id":6411,"kind":"organization","name":"AMPCO PITTSBURGH CORP"},"owners":[{"id":146458,"kind":"person","name":"JOHNSON MARLISS","position":1,"cik":"0001190962","reported_name":"JOHNSON MARLISS","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"V.P. 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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":"F1","text":"Represents 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":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"Represents 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).  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The final 1/3 of the restricted stock units vested on May 5, 2018 and is reported on table I of this form 4."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The reporting person received a grant of 1,907 restricted stock units, which vest in 3 annual installments, beginning on May 5, 2016. 1/3 of the restricted stock units vested on May 5, 2016. 1/3 of the restricted stock units vested on May 5, 2017. 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