---
schema_version: "secwatch.filing_event.v1"
accession: "0001653477-26-000006"
form_type: "8-K"
ticker: "NGVT"
cik: "0001653477"
company_name: "Ingevity Corp"
filed_at: "2026-02-23T23:59:59+00:00"
generated_at: "2026-05-16T01:11:21.536351+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Two founding directors to leave Ingevity board; board reduced from 11 to 9 members

## Summary
- Daniel F. Sansone and Jean S. Blackwell will not stand for re-election at 2026 Annual Meeting.
- Sansone departure due to mandatory retirement age policy; Blackwell after 10 years of service.
- Board size decreased from 11 to 9 directors effective after the 2026 Annual Meeting.
- Both departures are not due to any disagreement with the company on operations or policies.
- Transition is described as normal board refreshment consistent with portfolio optimization.

## SEC filing metadata
- accession: 0001653477-26-000006
- form_type: 8-K
- ticker: NGVT
- cik: 0001653477
- company_name: Ingevity Corp
- filed_at: 2026-02-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1653477/000165347726000006/0001653477-26-000006-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1653477/000165347726000006/ngvt-20260217.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001653477-26-000006
- JSON: https://secwatch.observer/filing/0001653477-26-000006.json
- Plain text: https://secwatch.observer/filing/0001653477-26-000006.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.