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KOP        0001315257    
Filing Date Form Type Description Document
2020-03-04 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-03-03 4 FORM 4 SUBMISSION View Document
2020-02-27 8-K 8-K View Document
2020-02-27 8-K 8-K View Document
2020-02-27 424B3 424B3 View Document
2020-02-27 S-3ASR S-3ASR View Document
2020-02-27 10-K 10-K View Document
2020-02-18 4/A FORM 4/A SUBMISSION View Document
2020-02-18 4/A FORM 4/A SUBMISSION View Document
2020-02-18 4/A FORM 4/A SUBMISSION View Document
2020-02-18 4/A FORM 4/A SUBMISSION View Document
2020-02-18 4/A FORM 4/A SUBMISSION View Document
2020-02-18 4/A FORM 4/A SUBMISSION View Document
2020-02-18 3/A FORM 3/A SUBMISSION View Document
2020-02-18 4/A FORM 4/A SUBMISSION View Document
2020-02-18 4/A FORM 4/A SUBMISSION View Document
2020-02-18 8-K 8-K View Document
2020-02-18 8-K 8-K View Document
2020-02-14 5 FORM 5 SUBMISSION View Document
2020-02-14 SC 13G SCHEDULE 13G View Document
2020-02-14 SC 13G/A View Document
2020-02-13 SC 13G/A View Document
2020-02-13 4 FORM 4 SUBMISSION View Document
2020-02-13 4 FORM 4 SUBMISSION View Document
2020-02-13 4 FORM 4 SUBMISSION View Document
2020-02-13 4 FORM 4 SUBMISSION View Document
2020-02-13 4 FORM 4 SUBMISSION View Document
2020-02-13 4 FORM 4 SUBMISSION View Document
2020-02-13 4 FORM 4 SUBMISSION View Document
2020-02-13 4 FORM 4 SUBMISSION View Document
2020-02-13 3 FORM 3 SUBMISSION View Document
2020-02-12 SC 13G/A SCHEDULE 13G/A View Document
2020-02-04 SC 13G/A View Document
2020-01-31 5 FORM 5 SUBMISSION View Document
2020-01-06 8-K 8-K SULLIVAN ANNOUNCEMENT View Document
2019-11-14 4 FORM 4 SUBMISSION View Document
2019-11-07 10-Q 10-Q View Document
2019-11-07 8-K 8-K View Document
2019-09-26 SC 13G/A DIVISION OF INVESTMENT, DEPARTMENT OF THE TREASURY,STATE OF NEW JERSEY View Document
2019-09-24 4 FORM 4 SUBMISSION View Document
2019-09-06 4 FORM 4 SUBMISSION View Document
2019-08-14 4 FORM 4 SUBMISSION View Document
2019-08-08 10-Q 10-Q View Document
2019-08-08 8-K 8-K View Document
2019-06-04 4 FORM 4 SUBMISSION View Document
2019-05-15 4 FORM 4 SUBMISSION View Document
2019-05-15 4 FORM 4 SUBMISSION View Document
2019-05-14 4 FORM 4 SUBMISSION View Document
2019-05-10 4 FORM 4 SUBMISSION View Document
2019-05-09 3 FORM 3 SUBMISSION View Document
2019-05-09 4 FORM 4 SUBMISSION View Document
2019-05-07 4 FORM 4 SUBMISSION View Document
2019-05-06 4 FORM 4 SUBMISSION View Document
2019-05-06 4 FORM 4 SUBMISSION View Document
2019-05-06 4 FORM 4 SUBMISSION View Document
2019-05-06 4 FORM 4 SUBMISSION View Document
2019-05-06 4 FORM 4 SUBMISSION View Document
2019-05-06 4 FORM 4 SUBMISSION View Document
2019-05-06 4 FORM 4 SUBMISSION View Document
2019-05-03 10-Q 10-Q View Document
2019-05-03 8-K KOP 8-K View Document
2019-04-08 SC 13G View Document
2019-04-01 DEF 14A NOTICE & PROXY STATEMENT View Document
2019-03-15 4 FORM 4 SUBMISSION View Document
2019-03-08 4 FORM 4 SUBMISSION View Document
2019-03-08 4 FORM 4 SUBMISSION View Document
2019-03-08 4 FORM 4 SUBMISSION View Document
2019-03-08 4 FORM 4 SUBMISSION View Document
2019-03-08 4 FORM 4 SUBMISSION View Document
2019-03-08 4 FORM 4 SUBMISSION View Document
2019-03-08 4 FORM 4 SUBMISSION View Document
2019-03-08 4 FORM 4 SUBMISSION View Document
2019-03-05 4 FORM 4 SUBMISSION View Document
2019-03-05 4 FORM 4 SUBMISSION View Document
2019-03-05 4 FORM 4 SUBMISSION View Document
2019-03-05 4 FORM 4 SUBMISSION View Document
2019-03-05 4 FORM 4 SUBMISSION View Document
2019-03-05 4 FORM 4 SUBMISSION View Document
2019-03-05 4 FORM 4 SUBMISSION View Document
2019-03-01 10-K 10-K View Document
2019-03-01 8-K 8-K View Document
2019-02-14 SC 13G/A SC 13G/A View Document
2019-02-14 SC 13G SCHEDULE 13G View Document
2019-02-14 SC 13G KOPPERS HOLDINGS INC. View Document
2019-01-31 SC 13G/A View Document
2019-01-31 SC 13G/A DIVISION OF INVESTMENT, DEPARTMENT OF THE TREASURY,STATE OF NEW JERSEY View Document
2019-01-22 4 FORM 4 SUBMISSION View Document
2019-01-10 SC 13G/A View Document
2019-01-03 4 FORM 4 SUBMISSION View Document
2019-01-03 4 FORM 4 SUBMISSION View Document
2018-12-21 4 FORM 4 SUBMISSION View Document
2018-12-19 4 FORM 4 SUBMISSION View Document
2018-12-19 4 FORM 4 SUBMISSION View Document
2018-12-17 4 FORM 4 SUBMISSION View Document

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