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. reported an insider equity transaction by one of its directors involving dividend equivalent rights tied to deferred compensation. On 12/16/2025, the director acquired 33.442 dividend equivalent rights, each economically equivalent to one share of Koppers common stock, bringing the director’s total derivative holdings to 297.916 such rights held directly.
The dividend equivalent rights accrued in connection with additional restricted stock units credited under the Koppers Holdings Inc. Director Deferred Compensation Plan. Once the related restricted stock units are released, they will be paid according to the director’s prior election, either in a lump sum or in annual installments beginning on May 31 following separation from service or a later May 31 chosen under the plan.
A director of Koppers Holdings Inc. reported an acquisition of 28.344 dividend equivalent rights on derivative securities on 12/16/2025 at a price of $0. Each dividend equivalent right is the economic equivalent of one share of Koppers common stock, and the director now beneficially owns 250.153 derivative securities directly.
The dividend equivalent rights accrued on additional time-based restricted stock units credited as deferred compensation under the Koppers Holdings Inc. Director Deferred Compensation Plan. Once released, the restricted stock units corresponding to these rights will be paid either as a lump sum or in annual installments beginning on May 31 following the director’s separation from service, or on May 31 of a later year chosen in the director’s prior payment election.
Koppers Holdings Inc. filed an amended current report to update the expected costs of its previously announced U.S. workforce reduction program. The company now estimates total pre-tax restructuring charges, employee severance charges and related benefit costs in a range of $4 million to $5 million for these actions. It expects these charges to lead to future cash expenditures of approximately $1 million, with the remainder reflecting non-cash accounting impacts. The company also notes that it may file further amendments if these estimates change and includes standard cautionary language that actual results could differ from current expectations.
Koppers Holdings Inc. (KOP) disclosed an insider equity award on Form 4. A company director acquired 2,240 shares of common stock on 11/05/2025, reported at a $0 price per share, reflecting an equity grant rather than an open‑market purchase. Following the transaction, the director beneficially owned 2,240 shares, held directly.
The filing notes the award relates to time‑based restricted stock units, indicating shares were delivered in connection with vesting terms rather than a cash transaction.
Koppers Holdings Inc. (KOP) filed a Form 3, the initial statement of beneficial ownership for a director. The filing states the reporting person is a Director and reports 0 shares of common stock beneficially owned in Table I.
No derivative securities are listed in Table II. The event date for this statement is 11/05/2025. The filing includes a remark noting an attached Exhibit 24, Limited Power of Attorney, and is signed by an attorney-in-fact.
Koppers Holdings Inc. filed its Q3 2025 10-Q, reporting net sales of $485.3 million, operating profit of $51.8 million, and diluted EPS of $1.17. Interest expense was $16.7 million. Segment adjusted EBITDA totaled $70.9 million, with contributions from Railroad and Utility Products and Services $29.2 million, Performance Chemicals $26.1 million, and Carbon Materials and Chemicals $15.6 million.
For the first nine months, net sales were $1,446.6 million, and operating cash flow was $77.4 million. The company repurchased Common Stock of $33.3 million, ended the quarter with cash of $37.9 million and total debt of $932.9 million, and reported total equity of $545.9 million. Restructuring and plant-closure charges were $47.8 million year-to-date, tied to the Stickney, IL phthalic anhydride shutdown, which is expected to total $51–$55 million through 2026. Koppers discontinued cash flow hedge accounting for copper in Q3, recording a net cumulative pre-tax unrealized gain of $3.2 million. A quarterly dividend of $0.08 per share was declared on November 6, 2025.
Koppers Holdings Inc. furnished an 8-K to disclose that it issued a press release announcing its third quarter 2025 results. The company states the press release is included as Exhibit 99.1 and furnished under Item 2.02, Results of Operations and Financial Condition.
The filing is dated November 7, 2025. Additional materials include Exhibit 104, the cover page interactive data file embedded within the Inline XBRL document.
Koppers Holdings Inc. appointed Laura Posadas to its Board of Directors, effective November 5, 2025, and increased the Board size from eight to nine directors. The Board determined she is independent under NYSE and company standards. Posadas is CEO of Canlak Coatings Inc. and previously held senior roles at Matrix Adhesives Group and BP’s Castrol. She will receive standard non‑employee director compensation and will stand for election at the 2026 Annual Meeting. A press release was furnished as Exhibit 99.1.
The Vanguard Group filed Amendment No. 7 to Schedule 13G reporting a passive ownership stake in Koppers Holdings Inc. (KOP) as of 09/30/2025. Vanguard reported beneficial ownership of 1,539,485 shares, representing 7.80% of Koppers’ common stock.
The filing lists 0 shares with sole voting power and 151,463 with shared voting power. Vanguard reports 1,368,407 shares with sole dispositive power and 171,078 with shared dispositive power. Vanguard certified the securities were acquired and are held in the ordinary course of business and not to change or influence control.
Insider equity disclosure: A Koppers Holdings Inc. director received dividend equivalent rights (DERs) tied to restricted stock units, with each DER equal to one share of common stock. Following the reported transaction the director directly beneficially owned 28.174 shares. The filing notes that 5.303 DERs were inadvertently omitted from prior reporting and are now included. The DERs relate to deferred compensation RSUs and will convert to stock payments according to the director's prior election under the company's director deferred compensation plan, with payout timing and form determined by that plan.
Insider equity disclosure: A Koppers Holdings Inc. director received dividend equivalent rights (DERs) tied to restricted stock units, with each DER equal to one share of common stock. Following the reported transaction the director directly beneficially owned 28.174 shares. The filing notes that 5.303 DERs were inadvertently omitted from prior reporting and are now included. The DERs relate to deferred compensation RSUs and will convert to stock payments according to the director's prior election under the company's director deferred compensation plan, with payout timing and form determined by that plan.