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$KOP All transactions

Koppers Holdings Inc.

A

$ Value

$0

Shares

4,778

Price

$0

Filed

May 9

Insider

Name

Vartanian Nishan J.

Title

CIK

0001564614

Roles

Director

Transaction Details

Transaction Date

2025-05-08

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

7,334

Footnotes

The reporting person was awarded time-based restricted stock units.

Filing Info

Accession No.

0000950170-25-068056

Form Type

4

Issuer CIK

0001315257

Vartanian Nishan J.'s History

Date Ticker Type Value
2026-03-23 KOP A $0
2025-12-04 MSA G $0
2025-05-16 MSA A $0
2025-05-13 MSA $4.8M
2025-05-08 KOP A $0
2025-05-02 KOP M $0
2025-05-02 KOP M $0

Other Insiders at KOP (90d)

Insider Bought Sold Last
NEUPAVER ALBERT J 2026-03-23
WILKERSON SONJA MICHELLE 2026-03-23
Feng Xudong 2026-03-23
JENSEN TRACI L 2026-03-23
Vartanian Nishan J. 2026-03-23
MOTLEY DAVID L 2026-03-23
Sandifer Andrew D 2026-03-23
Posadas Laura J 2026-03-23