Transaction Details

Footnotes

Shares earned upon vesting and settlement of Performance Stock Units (PSUs) awarded on March 15, 2023, upon certification of performance results by the Compensation and Human Resources Committee based on achievement of the adjusted return on invested capital (ROIC) metric, during the three year performance period. | Restricted stock units (RSUs) convert into common stock on a one-for-one basis. | Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2023, March 15, 2024, March 15, 2025 and October 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the third installment of the 2023 RSU grant, the second installment of the 2024 RSU grant and the first installment of the 2025 RSU grants, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock. | Shares surrendered by reporting person to satisfy withholding tax obligation upon the full or partial vesting of certain RSUs and PSUs previously granted under the Company's Long-Term Performance Incentive Plan. | On March 15, 2023, the reporting person was granted 179 time-based RSUs, vesting in three annual installments beginning on March 15, 2024. | On March 15, 2024, the reporting person was granted 179 time-based RSUs, vesting in three annual installments beginning on March 15, 2025. | On March 15, 2025, the reporting person was granted 280 time-based RSUs, vesting in three annual installments beginning on March 15, 2026. | On October 15, 2025, the reporting person was granted 61 special time-based RSUs, vesting in three annual installments beginning on March 15, 2026. | Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these restricted stock units when and as dividends are paid on KWR common stock.