Welcome to our dedicated page for Koppers Hldgs SEC filings (Ticker: KOP), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Koppers Holdings’ filings do more than list numbers—they reveal how a global supplier of railroad crossties, utility poles and carbon chemicals navigates wood-preservation rules, commodity tar pricing and environmental remediation costs. The annual report is the only place you’ll see RUPS, Performance Chemicals and CMC margins side by side, while 8-K material events explained here track plant outages or bolt-on acquisitions that move earnings.
Stock Titan decodes every document for you. Our AI-powered summaries turn the 300-page Koppers Holdings annual report 10-K simplified into clear takeaways, flag risk-factor changes and surface segment revenue. Need the latest Koppers Holdings quarterly earnings report 10-Q filing? It lands on this page within minutes of EDGAR release, already annotated. Form 4 alerts stream in real time, so you can monitor Koppers Holdings Form 4 insider transactions real-time and spot buying by rail-segment executives. You’ll also find the Koppers Holdings proxy statement executive compensation parsed into plain language, plus instant context around any Koppers Holdings 8-K material events explained.
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Koppers Holdings Inc. announced that Chief Financial Officer Jimmi Sue Smith retired from the CFO role effective January 5, 2026. She will remain Treasurer, serve in an advisory role to support an orderly transition, and continue as a full-time employee through February 28, 2026. The company states that her retirement is not due to any disagreement related to financial reporting, controls, operations, policies, or practices.
In connection with this change, the Board elected Bradley A. Pearce, previously Chief Accounting Officer, as interim Chief Financial Officer and Chief Accounting Officer, making him the principal financial officer effective January 5, 2026. Effective January 1, 2026, his annual base salary was increased to $400,000, his target total annual cash incentive multiplier was raised from 40% to 60% of base salary, and his target total long-term incentive multiplier remains 80% of base salary. Koppers also issued a press release on January 9, 2026 detailing these leadership changes.
Koppers Holdings Inc. reported insider equity awards and share transactions for its President and CTO. The executive filed a statement covering activity dated January 2 and January 5, 2026, mainly involving restricted stock units (RSUs), performance share units (PSUs) and related dividend equivalent rights (DERs).
On January 5, 2026, the executive acquired 21,724 shares of common stock at $0 per share, and additional shares were acquired through the release of DERs. Some derivative awards granted earlier had their performance criteria satisfied, leading to the conversion of RSUs and PSUs into common stock on a one-for-one basis. To cover tax withholding on vesting RSUs and PSUs, 13,658 shares were surrendered at $26.93 per share.
Following these transactions, the executive beneficially owned 159,256.738 shares of Koppers common stock directly. Newly awarded time-based RSUs granted on January 5, 2026 will vest in annual 25% installments over four years, subject to continued service and total shareholder return conditions described in the filing.
Koppers Holdings Inc. reported equity award activity for its Chief Financial Officer. On January 2, 2026, the officer received 1,201 restricted stock units tied to performance share units granted on January 4, 2023 and 1,210 restricted stock units tied to performance share units granted on January 3, 2025, plus 38 dividend equivalent rights, each equal in value to one common share. These units vest based on continued service through January 5, 2028 and are subject to a cap if total shareholder return for the three-year period starting January 1, 2025 is negative.
On January 5, 2026, 4,860 performance share units and 240 related dividend equivalent rights converted into common stock, while 5,694 shares were surrendered to Koppers to cover tax withholding on vesting awards at a price of $26.93 per share. After these transactions, the officer directly beneficially owned 41,050 shares of Koppers common stock.
Koppers Holdings Inc. reported insider equity activity for its SVP, Culture and Engagement on a Form 4. On January 2, 2026, the officer received restricted stock units (RSUs) and dividend equivalent rights tied to prior performance share unit (PSU) grants. On January 5, 2026, the officer was awarded 6,692 time-based RSUs, which are scheduled to vest in four annual installments of 25 percent.
Also on January 5, 2026, previously granted PSUs for a three-year performance period were settled into 3,421 shares of common stock, and additional shares were acquired from released dividend equivalent rights. The officer surrendered 4,417 shares back to Koppers at $26.93 per share to cover tax withholding related to vesting. Following these transactions, the officer directly beneficially owned 32,764 shares of Koppers common stock.
Koppers Holdings Inc. reported insider equity transactions by a company officer serving as VP, Information Technology. The filing shows multiple stock and equity award movements dated January 2 and January 5, 2026. On January 5, the officer acquired 2,396 shares of common stock at $0 per share in connection with equity awards, and separately acquired additional shares through the release of performance-based awards and dividend equivalent rights. The officer also surrendered 2,032 shares at $26.93 per share to cover tax withholding on vesting restricted stock units and performance share units.
In the derivative table, the officer received new restricted stock units and dividend equivalent rights that convert into common stock on a one-for-one basis. The filing notes that performance criteria for performance share units granted in 2023 and 2025 have been satisfied, and that certain restricted stock units remain subject to continued service and a total shareholder return cap through future performance periods.
Koppers Holdings Inc. reported equity transactions by its CEO and director on a Form 4. On January 5, 2026, the executive received 27,152 shares of common stock from a new grant of time-based restricted stock units that vest 25% per year over four years. The filing shows total common stock beneficially owned rising through conversions of previously granted restricted stock units and dividend equivalent rights, then decreasing when shares were surrendered to cover tax withholding at a price of $26.93 per share.
In Table II, the executive acquired new restricted stock units and dividend equivalent rights tied to performance share units whose performance criteria for periods ending December 31, 2025 have been satisfied. Some units remain subject to continued service through January 5, 2028, and if total shareholder return for the three-year period beginning January 1, 2025 is negative, the cumulative units that may vest for that period are capped at 150% of the target amount.
Koppers Holdings Inc. officer Stephanie L. Apostolou, Chief Legal & Sustainability Officer and Secretary, reported multiple equity transactions in early
On the same date, previously granted performance share units (PSUs) and related dividend equivalent rights (DERs) that had met performance criteria were converted, adding 4,666 and 240 shares of common stock, respectively. She then surrendered 5,757 shares at
Koppers Holdings Inc. reported insider equity activity by its Chief Accounting Officer on a Form 4. On January 5, 2026, the officer acquired 7,128 shares of common stock at $0, reflecting equity compensation, and also acquired 104 shares from the release of dividend equivalent rights. The officer then surrendered 2,470 shares at $26.93 to cover taxes related to restricted stock unit (RSU) vesting, leaving 35,946 common shares beneficially owned directly.
In derivative securities, the officer was granted 357 restricted stock units and 3 dividend equivalent rights on January 2, 2026, plus additional movements in existing dividend equivalent rights. The RSUs generally convert into common stock on a one-for-one basis and vest over time, with some awards tied to performance and total shareholder return criteria through December 31, 2027.
Koppers Holdings Inc. CEO and director reported an automatic equity-related accrual. On 12/16/2025, the insider acquired 1,087 dividend equivalent rights, which are derivative securities linked to Koppers common stock, at a price of $0.
Following this transaction, the reporting person held 1,991 derivative securities directly. The dividend equivalent rights accrued in connection with existing time-based restricted stock units and performance-based stock units, and each right is the economic equivalent of one share of Koppers Holdings Inc. common stock.
Koppers Holdings Inc. officer Stephanie L. Apostolou, who serves as Chief Legal&Sus Officer & Sec., reported an equity-related transaction. On 12/16/2025, she was credited 245 dividend equivalent rights (DERs), a type of derivative security that tracks the value of Koppers common stock, at a price of $0 per right.
These DERs accrued in connection with additional time-based restricted stock units (RSUs) and performance-based stock units (PSUs) previously granted on January 4, 2022, January 4, 2023, January 4, 2024, January 3, 2025 (for RSUs), and January 4, 2023 (for PSUs). Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock. Following this accrual, she beneficially owned 349 dividend equivalent rights directly.
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