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Koppers Holdings Inc.

View on SEC.gov →
Overview All Filings Annual Quarterly Insiders

Recent Filings

All 1,004 filings →
Form Description Date
ARS ARS Mar 27, 2026
DEF 14A DEF 14A Mar 27, 2026
SCHEDULE 13G/A Mar 27, 2026
4 FORM 4 Mar 25, 2026
4 FORM 4 Mar 25, 2026
4 FORM 4 Mar 25, 2026
4 FORM 4 Mar 25, 2026
4 FORM 4 Mar 25, 2026
4 FORM 4 Mar 25, 2026
4 FORM 4 Mar 25, 2026

Insider Transactions

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Insider Title Type Shares Owns After Date
Posadas Laura J Award / Grant 2,240 2,240 Nov 5, 2025
BALL M LEROY CEO Sale 2,448 @ $30.48 357,308 Aug 15, 2025
MOTLEY DAVID L Award / Grant 4,778 21,994 May 8, 2025
Vartanian Nishan J. Award / Grant 4,778 7,334 May 8, 2025
NEUPAVER ALBERT J Award / Grant 4,778 83,784 May 8, 2025
JENSEN TRACI L Award / Grant 4,778 32,009 May 8, 2025
BALL M LEROY CEO Sale 505 @ $30.07 361,512 Mar 19, 2025
Skrovanek Daniel J VP, Growth and Innovation Award / Grant 4,560 35,762 Jan 3, 2025
Sullivan James A. President and COO Award / Grant 23,052 134,244 Jan 3, 2025
Washington Kevin VP, External Relations Award / Grant 3,712 9,307 Jan 3, 2025