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 Inc. filings document the regulatory record for a NYSE-listed operating company with common stock trading under KOP. Its Form 8-K reports cover operating results, financial condition, executive officer changes, compensation arrangements, board committee assignments, and costs associated with exit or disposal activities.
Proxy and annual-report filings provide disclosure on governance, director elections, executive compensation, shareholder voting matters, audited financial statements, risk oversight and the company's capital structure. The filings tie these matters to Koppers' treated wood products, wood treatment chemicals and carbon compounds businesses.
Koppers Holdings Inc. director and CEO M. Leroy Ball reported an open-market sale of 3,412 shares of common stock at $43.90 per share. After this transaction, he continues to directly own 436,243.4007 common shares, showing he retains a substantial equity position in the company.
Feng Xudong reported acquisition or exercise transactions in this Form 4 filing.
Koppers Holdings Inc. director Xudong Feng received a grant of 34.065 Dividend Equivalent Rights, which track the value of common stock and relate to deferred restricted stock units. Following this award, he holds 411.891 such rights, payable in cash or stock under the company’s Director Deferred Compensation Plan.
WILKERSON SONJA MICHELLE reported acquisition or exercise transactions in this Form 4 filing.
Koppers Holdings Inc. director Sonja Michelle Wilkerson received a grant of 30.347 Dividend Equivalent Rights tied to time-based restricted stock units under the company’s director deferred compensation plan. Each right is the economic equivalent of one share of Koppers common stock.
Following this compensation-related award, Wilkerson holds a total of 355.850 Dividend Equivalent Rights. The related restricted stock units will be paid in a lump sum or annual installments according to her prior deferral elections, generally beginning on the May 31 following her separation from service or a later elected May 31 date.
MOTLEY DAVID L reported acquisition or exercise transactions in this Form 4 filing.
Koppers Holdings Inc. director David L. Motley reported an automatic grant of 20.663 dividend equivalent rights (DERs) tied to previously credited restricted stock units (RSUs) under a director deferred compensation plan. Each DER is economically equivalent to one share of Koppers common stock. Following this award, Motley holds 296.164 DERs, which will be payable in cash or stock according to his prior payment elections under the Koppers Director Deferred Compensation Plan, generally in a lump sum or installments after separation from service or on a future May 31 date elected under the plan.
Sandifer Andrew D reported acquisition or exercise transactions in this Form 4 filing.
Koppers Holdings Inc. director Andrew D. Sandifer received a grant of 13.979 dividend equivalent rights tied to common stock. These rights were awarded at a price of $0.00 per right and increase his directly held derivative balance to 103.311 dividend equivalent rights.
The dividend equivalent rights accrue on additional restricted stock units related to deferred compensation and are economically equivalent to common shares. Once released, the corresponding RSUs will be paid in either a lump sum or annual installments, beginning on a future May 31 date determined under the company’s Director Deferred Compensation Plan.
Koppers Holdings Inc. CEO Ball M. Leroy reported two transactions in company common stock. He made a bona fide gift of 300 shares with no sale price and separately completed an open-market sale of 4,141 shares at a weighted average price of $41.34 per share. The sale was executed through multiple trades at prices ranging from $40.88 to $41.53 per share. These transactions reduce, but do not eliminate, his direct ownership stake in Koppers.
Koppers Holdings Inc. director Xudong Feng reported a bona fide gift of 5,695 shares of the company’s common stock. The transfer carried no sale price, reflecting a non-market disposition rather than a trade. After the gift, Feng directly owns 26,489 Koppers common shares.
Brenner Eric D. reported acquisition or exercise transactions in this Form 4 filing.
Koppers Holdings Inc. reported that its CFO and Treasurer, Eric D. Brenner, received a grant of 6,620 shares of common stock as an equity award. These are time-based restricted stock units awarded on May 26, 2026, vesting in four equal annual installments beginning on January 5, 2027. Following this compensation-related award, his directly held common stock position reported in this filing is 6,620 shares.
Koppers Holdings Inc. executive Eric D. Brenner, the company’s CFO and Treasurer, has filed an initial Form 3 statement of beneficial ownership. The filing shows that he directly owns no shares of Common Stock of Koppers as of the reported date. No purchases, sales, or other transactions are reported; this filing simply establishes his starting ownership position as an insider.
Simcoe Capital and affiliates have disclosed a sizable stake in Koppers Holdings Inc. The group reports beneficial ownership of 1,349,005 shares of common stock, or approximately 7.0% of the company, based on 19,231,826 shares outstanding as of April 30, 2026.
Simcoe Partners directly owns 1,226,375 shares, Simcoe Select owns 86,845 shares and SDR Partners owns 35,785 shares, all bought in open-market transactions using working capital, including possible margin loans. Aggregate purchase prices are about $40.7 million, $3.7 million and $1.2 million, respectively.
The investors state they bought the stock because they believed it was substantially undervalued and say they are supportive of management’s current profitability, free cash flow, debt reduction and share repurchase focus. They reserve flexibility to increase or reduce their position, use derivatives or short sales, and potentially engage with management, the board and other shareholders on operational, governance, capital structure or strategic matters, including possible business combinations or asset dispositions.