Transaction Details

Footnotes

The Talent and Compensation Committee of the Company's board of directors certified the attainment of performance goals for certain performance-based restricted stock awards ("PSUs") effective February 26, 2026. The PSUs were settled with shares of common stock. | Includes 216 shares of Common Stock purchased pursuant to the Amended and Restated 2017 Ingevity Corporation Employee Stock Purchase Plan, as amended ("ESPP"), for the purchase period of October 1, 2025 to December 31, 2025. In accordance with the terms of the ESPP, these shares were purchased at a price equal to 85% of the closing price of Issuer's Common Stock on October 1, 2025. | Shares withheld by the Company to satisfy tax withholding obligations related to the PSUs that vested on February 26, 2026.