---
schema_version: "secwatch.filing_event.v1"
accession: "0001673985-25-000124"
form_type: "8-K"
ticker: "ASIX"
cik: "0001673985"
company_name: "AdvanSix Inc."
filed_at: "2025-09-02T23:59:59+00:00"
generated_at: "2026-05-17T08:53:01.092613+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# AdvanSix appoints Dana O'Brien and Daryl Roberts as independent directors

## Summary
- Board expanded to nine members, eight independent; appointments effective Sept 2, 2025.
- O'Brien, former SVP & CLO at Olin Corp, joins Nominating/Governance and C&LD committees.
- Roberts, SVP & COO/Engineering at DuPont, joins HSE and C&LD committees.
- No arrangements or family relationships with officers; standard non-employee director compensation.

## SEC filing metadata
- accession: 0001673985-25-000124
- form_type: 8-K
- ticker: ASIX
- cik: 0001673985
- company_name: AdvanSix Inc.
- filed_at: 2025-09-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1673985/000167398525000124/0001673985-25-000124-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1673985/000167398525000124/asix-20250902.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001673985-25-000124
- JSON: https://secwatch.observer/filing/0001673985-25-000124.json
- Plain text: https://secwatch.observer/filing/0001673985-25-000124.txt

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