---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-011158"
form_type: "8-K"
ticker: "NGVT"
cik: "0001653477"
company_name: "Ingevity Corp"
filed_at: "2025-03-31T23:59:59+00:00"
generated_at: "2026-05-24T01:54:36.500985+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Ingevity settles proxy contest with Vision One; appoints F. David Segal to board

## Summary
- Cooperation agreement appoints F. David Segal to board and audit committee within one day of 2025 annual meeting.
- Board size capped at 11 directors until the expiration date (2026 annual meeting nomination window).
- Vision One withdraws its nominees for 2025 annual meeting and agrees to standstill and voting commitments.
- Vision One must maintain at least 417,178 shares to retain replacement director rights.
- Company to amend audit committee charter to review capital allocation policies within five days of Segal's appointment.

## SEC filing metadata
- accession: 0001140361-25-011158
- form_type: 8-K
- ticker: NGVT
- cik: 0001653477
- company_name: Ingevity Corp
- filed_at: 2025-03-31T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1653477/000114036125011158/0001140361-25-011158-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1653477/000114036125011158/ef20046464_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-011158
- JSON: https://secwatch.observer/filing/0001140361-25-011158.json
- Plain text: https://secwatch.observer/filing/0001140361-25-011158.txt

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