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Year archive

Koppers Holdings Inc. — 2023 filings

All 134 regulatory filings released by Koppers Holdings Inc. (KOP) in 2023, sourced directly from the official regulator.

134 Filings
2023 Period
2023 filings (134)
Filing Released Lang
4
Director's Dealing
2023-12-21 English
4
Director's Dealing
2023-12-20 English
Regulatory Filings
2023-12-20 English
Regulatory Filings
2023-12-20 English
4
Director's Dealing
2023-12-15 English
4
Director's Dealing
2023-12-15 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
4
Director's Dealing
2023-12-14 English
Regulatory Filings
2023-12-14 English
Regulatory Filings
2023-12-14 English
Regulatory Filings
2023-12-13 English
4
Director's Dealing
2023-12-12 English
Regulatory Filings
2023-12-12 English
Regulatory Filings
2023-12-11 English
4
Director's Dealing
2023-12-08 English
Regulatory Filings
2023-12-08 English
Regulatory Filings
2023-12-07 English
4
Director's Dealing
2023-12-06 English
Regulatory Filings
2023-12-06 English
Regulatory Filings
2023-12-05 English
4
Director's Dealing
2023-12-04 English
4
Director's Dealing
2023-12-01 English
Regulatory Filings
2023-12-01 English
Regulatory Filings
2023-11-30 English
Regulatory Filings
2023-11-29 English
4
Director's Dealing
2023-11-20 English
Regulatory Filings
2023-11-17 English
4
Director's Dealing
2023-11-16 English
Regulatory Filings
2023-11-15 English
4
Director's Dealing
2023-11-14 English
Regulatory Filings
2023-11-14 English
Interim / Quarterly Report 9M 2023
2023-11-03 English
8-K
Regulatory Filings
2023-11-03 English
8-K
Regulatory Filings
2023-10-12 English
Director's Dealing
2023-09-19 English
Regulatory Filings
2023-09-18 English
8-K
Regulatory Filings
2023-09-14 English
Director's Dealing
2023-09-13 English
Director's Dealing
2023-09-13 English
Director's Dealing
2023-09-13 English
Director's Dealing
2023-09-06 English
Director's Dealing
2023-09-05 English
Regulatory Filings
2023-09-01 English
Director's Dealing
2023-08-31 English
Director's Dealing
2023-08-09 English
Regulatory Filings
2023-08-07 English
Director's Dealing
2023-08-03 English
8-K
Regulatory Filings
2023-08-03 English
Interim / Quarterly Report Q2 2023
2023-08-03 English
8-K
Regulatory Filings
2023-08-03 English
Regulatory Filings
2023-08-01 English
Director's Dealing
2023-06-14 English
Director's Dealing
2023-06-14 English
Director's Dealing
2023-06-14 English
Director's Dealing
2023-06-14 English
Director's Dealing
2023-06-12 English
Director's Dealing
2023-06-08 English
Regulatory Filings
2023-06-06 English
Director's Dealing
2023-06-01 English
Director's Dealing
2023-05-08 English
Director's Dealing
2023-05-08 English
Director's Dealing
2023-05-08 English
Director's Dealing
2023-05-08 English
Director's Dealing
2023-05-08 English
Director's Dealing
2023-05-08 English
Director's Dealing
2023-05-08 English
Director's Dealing
2023-05-08 English
Interim / Quarterly Report Q1 2023
2023-05-05 English
8-K
Regulatory Filings
2023-05-05 English
Regulatory Filings
2023-05-04 English
Director's Dealing
2023-05-01 English
Director's Dealing
2023-05-01 English
Director's Dealing
2023-05-01 English
Director's Dealing
2023-05-01 English
Director's Dealing
2023-05-01 English
Director's Dealing
2023-05-01 English
Director's Dealing
2023-05-01 English
Regulatory Filings
2023-04-28 English
Regulatory Filings
2023-04-25 English
Director's Dealing
2023-04-12 English
8-K
Regulatory Filings
2023-04-11 English
Regulatory Filings
2023-04-11 English
ARS
Annual Report
2023-04-03 English
Proxy Solicitation & Information Statement
2023-04-03 English
Director's Dealing
2023-03-29 English
Director's Dealing
2023-03-29 English
Director's Dealing
2023-03-22 English
Director's Dealing
2023-03-22 English
8-K
Regulatory Filings
2023-03-22 English
8-K
Regulatory Filings
2023-03-10 English
Director's Dealing
2023-03-07 English
Director's Dealing
2023-03-07 English
Director's Dealing
2023-03-07 English
Director's Dealing
2023-03-07 English
Director's Dealing
2023-03-07 English
Director's Dealing
2023-03-07 English
Director's Dealing
2023-03-07 English
Director's Dealing
2023-03-07 English
Annual Report FY 2022
2023-02-27 English
8-K
Regulatory Filings
2023-02-27 English
Major Shareholding Notification
2023-02-14 English
Major Shareholding Notification
2023-02-10 English
Major Shareholding Notification
2023-02-09 English
Major Shareholding Notification
2023-01-26 English
Major Shareholding Notification
2023-01-20 English
Director's Dealing
2023-01-20 English
Director's Dealing
2023-01-20 English
Director's Dealing
2023-01-20 English
Director's Dealing
2023-01-09 English
Director's Dealing
2023-01-09 English
Director's Dealing
2023-01-09 English
Director's Dealing
2023-01-09 English
Director's Dealing
2023-01-09 English
Director's Dealing
2023-01-09 English
Director's Dealing
2023-01-09 English
Director's Dealing
2023-01-09 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English
Director's Dealing
2023-01-05 English