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Year archive

Koppers Holdings Inc. — 2021 filings

All 72 regulatory filings released by Koppers Holdings Inc. (KOP) in 2021, sourced directly from the official regulator.

72 Filings
2021 Period
2021 filings (72)
Filing Released Lang
8-K
Regulatory Filings
2021-12-03 English
Interim / Quarterly Report Q3 2021
2021-11-04 English
8-K
Regulatory Filings
2021-11-04 English
Interim / Quarterly Report Q2 2021
2021-08-06 English
8-K
Regulatory Filings
2021-08-06 English
8-K
Regulatory Filings
2021-08-06 English
S-8
Registration Form
2021-08-06 English
Director's Dealing
2021-05-18 English
Director's Dealing
2021-05-13 English
Director's Dealing
2021-05-07 English
Director's Dealing
2021-05-07 English
Director's Dealing
2021-05-07 English
Director's Dealing
2021-05-07 English
Director's Dealing
2021-05-07 English
Director's Dealing
2021-05-07 English
Director's Dealing
2021-05-07 English
Interim / Quarterly Report Q1 2021
2021-05-07 English
8-K
Regulatory Filings
2021-05-07 English
S-8
Registration Form
2021-05-07 English
S-8
Registration Form
2021-05-07 English
Regulatory Filings
2021-04-19 English
Regulatory Filings
2021-04-19 English
Proxy Solicitation & Information Statement
2021-04-05 English
Director's Dealing
2021-03-09 English
Director's Dealing
2021-03-09 English
Director's Dealing
2021-03-09 English
Director's Dealing
2021-03-09 English
Director's Dealing
2021-03-09 English
Director's Dealing
2021-03-09 English
Director's Dealing
2021-03-09 English
Director's Dealing
2021-03-09 English
Director's Dealing
2021-03-05 English
Director's Dealing
2021-03-05 English
Director's Dealing
2021-03-05 English
Director's Dealing
2021-03-05 English
Director's Dealing
2021-03-05 English
Director's Dealing
2021-03-05 English
Director's Dealing
2021-03-05 English
Director's Dealing
2021-03-05 English
Director's Dealing
2021-03-04 English
Director's Dealing
2021-03-04 English
Director's Dealing
2021-03-04 English
Director's Dealing
2021-03-04 English
Director's Dealing
2021-03-04 English
Director's Dealing
2021-03-04 English
Director's Dealing
2021-03-04 English
Director's Dealing
2021-03-03 English
Annual Report FY 2020
2021-02-24 English
8-K
Regulatory Filings
2021-02-24 English
Director's Dealing
2021-02-18 English
Director's Dealing
2021-02-18 English
Director's Dealing
2021-02-18 English
Director's Dealing
2021-02-18 English
Director's Dealing
2021-02-18 English
Director's Dealing
2021-02-18 English
Director's Dealing
2021-02-18 English
Director's Dealing
2021-02-18 English
Director's Dealing
2021-02-18 English
Major Shareholding Notification
2021-02-12 English
Major Shareholding Notification
2021-02-11 English
Major Shareholding Notification
2021-02-10 English
Director's Dealing
2021-02-03 English
8-K
Regulatory Filings
2021-01-28 English
Major Shareholding Notification
2021-01-26 English
Director's Dealing
2021-01-06 English
Director's Dealing
2021-01-06 English
Director's Dealing
2021-01-06 English
Director's Dealing
2021-01-06 English
Director's Dealing
2021-01-06 English
Director's Dealing
2021-01-06 English
Director's Dealing
2021-01-06 English
Director's Dealing
2021-01-06 English