Koppers Hldgs SEC Filings

Koppers Holdings Inc. reported an equity-related transaction for its Chief Financial Officer. On 12/16/2025, the CFO acquired 222 dividend equivalent rights (DERs) at a price of $0 per right. These DERs accrued in connection with additional time-based and performance-based restricted stock units already credited to the executive.

Of the new DERs, 183 are tied to restricted stock units granted on January 4, 2022, January 4, 2023, January 4, 2024, and January 3, 2025, and 39 are tied to performance stock units granted on January 4, 2023. Each DER is the economic equivalent of one share of Koppers Holdings common stock. Following this accrual, the CFO beneficially owns 328 derivative securities in the form of DERs.

Koppers Holdings Inc. reported that one of its directors acquired 28.343 dividend equivalent rights on 12/16/2025. These derivative securities relate to additional time-based restricted stock units credited as deferred compensation, and each right is the economic equivalent of one share of Koppers common stock.

After this accrual, the director beneficially owns 250.151 dividend equivalent rights, held directly. Under the company’s Director Deferred Compensation Plan, the restricted stock units associated with these rights will be paid in either a lump sum or annual installments according to the director’s prior payment elections after separation from service or on a specified May 31 date.

A director of Koppers Holdings Inc. (KOP) reported acquiring 5.89 dividend equivalent rights on 12/16/2025. These rights accrued on additional restricted stock units credited as deferred compensation, and each dividend equivalent right is the economic equivalent of one share of Koppers Holdings common stock.

Following this transaction, the director beneficially owns 34.064 dividend equivalent rights, held directly. Any shares ultimately delivered from the related restricted stock units will be paid in a lump sum or in annual installments after separation from service, based on the director’s prior elections under the Koppers Holdings Director Deferred Compensation Plan.

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.