Apostolou Stephanie L — SEC Form 4 filings
SEC reporting owner CIK 1806249. 7 Form 4 filings on record with FilingPulse; latest filed 2026-03-02.
Transaction summary — filings shown
Covers all 7 filings on record, filed 2024-01-08 to 2026-03-02. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 38.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Koppers Holdings Inc. (KOP) | Chief Legal&Sus Officer & Sec. | 7 | — | — | 38 |
Form 4 filings — Apostolou Stephanie L
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-02 | 4 | Koppers Holdings Inc. (KOP) | Grant/award (A): 7,223 @ $0 · Option exercise (M): 174 @ $0 · Tax withholding (F): 3,149 @ $37.24 · Grant/award (A): 174 (derivative) @ $0 · Option exercise (M): 174 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | Koppers Holdings Inc. (KOP) | Grant/award (A): 9,876 @ $0 · Option exercise (M): 4,666 · Option exercise (M): 240 @ $0 · Tax withholding (F): 5,757 @ $26.93 · Grant/award (A): 1,153 (derivative) @ $0 · Grant/award (A): 1,335 (derivative) @ $0 · +3 more | EDGAR |
| 2025-12-17 | 4 | Koppers Holdings Inc. (KOP) | Grant/award (A): 245 (derivative) @ $0 | EDGAR |
| 2025-01-07 | 4 | Koppers Holdings Inc. (KOP) | Grant/award (A): 13,628 @ $0 · Option exercise (M): 6,867 · Option exercise (M): 210 @ $0 · Tax withholding (F): 5,690 @ $31.72 · Grant/award (A): 2,630 (derivative) @ $0 · Grant/award (A): 1,439 (derivative) @ $0 · +3 more | EDGAR |
| 2024-12-18 | 4 | Koppers Holdings Inc. (KOP) | Grant/award (A): 115 (derivative) @ $0 | EDGAR |
| 2024-03-05 | 4 | Koppers Holdings Inc. (KOP) | Option exercise (M): 26 @ $0 · Tax withholding (F): 788 @ $52.97 · Option exercise (M): 26 (derivative) @ $0 | EDGAR |
| 2024-01-08 | 4 | Koppers Holdings Inc. (KOP) | Grant/award (A): 4,284 @ $0 · Option exercise (M): 4,760 · Option exercise (M): 102 @ $0 · Tax withholding (F): 4,037 @ $47.32 · Grant/award (A): 2,424 (derivative) @ $0 · Grant/award (A): 3,462 (derivative) @ $0 · +4 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-04 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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