{"transactions":[{"id":3912360,"issuer":{"id":5058,"kind":"organization","name":"Koppers Holdings Inc.","symbol":"KOP"},"owners":[{"id":166191,"kind":"person","name":"Baldwin Cynthia A","position":1,"cik":"0001424622","reported_name":"Baldwin Cynthia A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-31T17:13:19.000Z","date":"2018-05-30","kind":"sale","acquired":false,"shares":1000,"price":40.73,"value":40730.0,"ownership":{"direct":true},"balance_after":20976,"source":{"system":"sec-edgar","filing":"0001209191-18-034409","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1424622/000120919118034409/doc4.xml","form_type":"4"}},{"id":3940837,"issuer":{"id":5058,"kind":"organization","name":"Koppers Holdings Inc.","symbol":"KOP"},"owners":[{"id":166191,"kind":"person","name":"Baldwin Cynthia A","position":1,"cik":"0001424622","reported_name":"Baldwin Cynthia A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-05-09T17:25:09.000Z","date":"2018-05-08","kind":"grant","acquired":true,"shares":2430,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The reporting person was awarded time-based restricted stock units."}],"balance_after":21976,"source":{"system":"sec-edgar","filing":"0001209191-18-028941","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1424622/000120919118028941/doc4.xml","form_type":"4"}},{"id":4295652,"issuer":{"id":5058,"kind":"organization","name":"Koppers Holdings Inc.","symbol":"KOP"},"owners":[{"id":166191,"kind":"person","name":"Baldwin Cynthia A","position":1,"cik":"0001424622","reported_name":"Baldwin Cynthia A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-06-02T10:57:57.000Z","date":"2017-05-10","kind":"grant","acquired":true,"shares":2442,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The reporting person was awarded time-based restricted stock units."}],"balance_after":19546,"source":{"system":"sec-edgar","filing":"0001209191-17-037028","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1424622/000120919117037028/doc4.xml","form_type":"4"}}]}