Form 4 for KOP Koppers Holdings Inc.
Accepted 2026-01-06 00:00:00 ET · period of report 2026-01-02 · accession 0001806249-26-000002 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-01-06 | 2026-01-05 | KOP | Apostolou Stephanie L | Chief Legal, Sus Off, Sec | M - OptEx | $0.00 | +4,906 | 64.4K | +8% | $0 |
| D | 2026-01-06 | 2026-01-05 | KOP | Apostolou Stephanie L | Chief Legal, Sus Off, Sec | F - Tax | $26.93 | -5,757 | 58.9K | -9% | -$155.0K |
| D | 2026-01-06 | 2026-01-05 | KOP | Apostolou Stephanie L | Chief Legal, Sus Off, Sec | A - Grant | $0.00 | +9,876 | 59.8K | +20% | $0 |
| DM | 2026-01-06 | 2026-01-02 | KOP | Apostolou Stephanie L | Chief Legal, Sus Off, Sec | A - Grant | $0.00 | +2,527 | 388 | New | $0 |
| DM | 2026-01-06 | 2026-01-05 | KOP | Apostolou Stephanie L | Chief Legal, Sus Off, Sec | M - OptEx | $0.00 | -4,906 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-05 | M | A | 240 | $0.00 | 64,659 | D | — | — | (F4) Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis. |
| 2 | Common | Common Stock | 2026-01-05 | F | D | 5,757 | $26.93 | 58,902 | D | — | — | (F5) Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of RSUs and performance share units ("PSUs"). |
| 3 | Common | Common Stock | 2026-01-05 | M | A | 4,666 | — | 64,419 | D | — | — | (F3) Restricted stock units convert into common stock on a one-for-one basis. |
| 4 | Common | Common Stock | 2026-01-05 | A | A | 9,876 | $0.00 | 59,753 | D | — | — | (F1) The reporting person was awarded time-based restricted stock units ("RSUs") on January 5, 2026, which will vest in annual installments of 25 percent over four years. (F2) Includes 828 shares of Koppers Holdings Inc. common stock acquired pursuant to the Koppers Holdings Inc. Employee Stock Purchase Plan on March 31, 2025 and June 30, 2025. These acquisitions were exempt under both Rule 16b-3(c) and Rule 16b-3(d). |
| 5 | Derivative | Restricted Stock Units | 2026-01-02 | A | A | 1,335 | $0.00 | 1,335 | D | — · — to — | 1,335 Common Stock | (F3) Restricted stock units convert into common stock on a one-for-one basis. (F7) On January 3, 2025, the reporting person was granted PSUs for which the performance criteria for the one-year performance period from January 1, 2025 through December 31, 2025 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2028. If the Company's total shareholder return over the three-year period of January 1, 2025 through December 31, 2027 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number. |
| 6 | Derivative | Restricted Stock Units | 2026-01-02 | A | A | 1,153 | $0.00 | 4,666 | D | — · — to — | 1,153 Common Stock | (F3) Restricted stock units convert into common stock on a one-for-one basis. (F6) On January 4, 2023, the reporting person was granted PSUs for which the performance criteria for the three-year performance period from January 1, 2023 through December 31, 2025 have been satisfied. |
| 7 | Derivative | Dividend Equivalent Rights | 2026-01-05 | M | D | 240 | $0.00 | 148 | D | — · — to — | 240 Common Stock | (F10) These DERs were released in connection with the vesting of RSUs and PSUs granted on January 4, 2022, January 4, 2023, January 4, 2024, and January 3, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock. |
| 8 | Derivative | Dividend Equivalent Rights | 2026-01-02 | A | A | 39 | $0.00 | 388 | D | — · — to — | 39 Common Stock | (F8) The DERs accrued with respect to additional PSUs credited to the reporting person with respect to PSUs granted on January 4, 2023 and January 3, 2025. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock. |
| 9 | Derivative | Restricted Stock Units | 2026-01-05 | M | D | 4,666 | $0.00 | 0 | D | — · — to — | 4,666 Common Stock | (F3) Restricted stock units convert into common stock on a one-for-one basis. (F9) Represents previously granted PSUs for which the performance criteria for the three-year performance period from January 1, 2023 through December 31, 2025 have been satisfied, as reported in Table II above. |