Apostolou Stephanie L
SEC insider (Form 3/4/5 filer). CIK 0001806249. Chief Legal&Sus Officer & Sec. at Koppers Holdings Inc. (KOP). 16 reported Form 4/5 transactions since Sep 2024; latest on Feb 26, 2026. Located in PITTSBURGH, PA.
Companies Apostolou Stephanie L has filed insider reports for
- Koppers Holdings Inc. (KOP): Officer, Chief Legal&Sus Officer & Sec.
Apostolou Stephanie L
CIK: 0001806249
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Koppers Holdings Inc.
Discretionary Trading P&L
Holdings
Transaction History (16 total)
- Feb 26, 2026KOP
Koppers Holdings Inc.
AwardDirect7.2K shares- - Feb 26, 2026KOP
Koppers Holdings Inc.
Tax PaymentDirect3.1K shares at avg. $37.24$117K - Feb 26, 2026KOP
Koppers Holdings Inc.
ExerciseDirect174 shares- - Jan 5, 2026KOP
Koppers Holdings Inc.
Tax PaymentDirect5.8K shares at avg. $26.93$155K - Jan 5, 2026KOP
Koppers Holdings Inc.
ExerciseDirect4.7K shares- - Jan 5, 2026KOP
Koppers Holdings Inc.
AwardDirect9.9K shares- - Jan 5, 2026KOP
Koppers Holdings Inc.
ExerciseDirect240 shares- - Jan 2, 2026KOP
Koppers Holdings Inc.
AwardDirectRestricted Stock Units
1.2K shares- - Jan 2, 2026KOP
Koppers Holdings Inc.
AwardDirectDividend Equivalent Rights
39 shares- - Jan 2, 2026KOP
Koppers Holdings Inc.
AwardDirectRestricted Stock Units
1.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Feb 26, 2026 | KOP Koppers Holdings Inc. | Award | 7,223 | - | $0 | Direct |
| Feb 26, 2026 | KOP Koppers Holdings Inc. | Tax Payment | 3,149 | $37.24 | $117,269 | Direct |
| Feb 26, 2026 | KOP Koppers Holdings Inc. | Exercise | 174 | - | $0 | Direct |
| Jan 5, 2026 | KOP Koppers Holdings Inc. | Tax Payment | 5,757 | $26.93 | $155,036 | Direct |
| Jan 5, 2026 | KOP Koppers Holdings Inc. | Exercise | 4,666 | - | $0 | Direct |
| Jan 5, 2026 | KOP Koppers Holdings Inc. | Award | 9,876 | - | $0 | Direct |
| Jan 5, 2026 | KOP Koppers Holdings Inc. | Exercise | 240 | - | $0 | Direct |
| Jan 2, 2026 | KOP Koppers Holdings Inc. | Award Restricted Stock Units | 1,153 | - | - | Direct |
| Jan 2, 2026 | KOP Koppers Holdings Inc. | Award Dividend Equivalent Rights | 39 | - | - | Direct |
| Jan 2, 2026 | KOP Koppers Holdings Inc. | Award Restricted Stock Units | 1,335 | - | - | Direct |
1-10 of 16 transactions