A
$ Value
$0
Shares
245
Price
$0
Filed
Dec 17
Insider
Name
Apostolou Stephanie L
Title
Chief Legal&Sus Officer & Sec.
CIK
0001806249
Roles
Officer
Transaction Details
Transaction Date
2025-12-16
Code
A
Table
Derivative
Ownership
Direct
Equity Swap
No
Shares After
349
Footnotes
The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 208 DERs accrued with respect to RSUs granted on January 4, 2022, January 4, 2023, January 4, 2024, and January 3, 2025, and 37 DERs accrued with respect to PSUs granted on January 4, 2023. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.
Filing Info
Apostolou Stephanie L's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-01-05 | KOP | A | $0 |
| 2026-01-05 | KOP | M | — |
| 2026-01-05 | KOP | M | $0 |
| 2026-01-05 | KOP | F | $155K |
| 2026-01-05 | KOP | M | $0 |
| 2026-01-05 | KOP | M | $0 |
| 2026-01-02 | KOP | A | $0 |
| 2026-01-02 | KOP | A | $0 |
| 2026-01-02 | KOP | A | $0 |
| 2025-12-16 | KOP | A | $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 |