---
schema_version: "secwatch.filing_event.v1"
accession: "0001673985-23-000052"
form_type: "8-K"
ticker: "ASIX"
cik: "0001673985"
company_name: "AdvanSix Inc."
filed_at: "2023-04-14T23:59:59+00:00"
generated_at: "2026-06-17T01:59:33.287640+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# AdvanSix Board Chair Marberry to retire at June 15 annual meeting; Karran succeeds

## Summary
- Michael L. Marberry notified his retirement as Board Chair, effective at the June 15, 2023 Annual Meeting.
- Todd Karran will succeed Mr. Marberry as Board Chair at the Annual Meeting.
- Board size will reduce from nine to eight directors upon Marberry's departure.
- Mr. Marberry's departure is not due to any disagreement with management or the Board.

## SEC filing metadata
- accession: 0001673985-23-000052
- form_type: 8-K
- ticker: ASIX
- cik: 0001673985
- company_name: AdvanSix Inc.
- filed_at: 2023-04-14T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1673985/000167398523000052/0001673985-23-000052-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1673985/000167398523000052/asix-20230414.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001673985-23-000052
- JSON: https://secwatch.observer/filing/0001673985-23-000052.json
- Plain text: https://secwatch.observer/filing/0001673985-23-000052.txt

## Key facts
- Executive change
  Michael L. Marberry departed as Chair of the Board of Directors at AdvanSix Inc..
  - Action: retire
  - Role: Chair of the Board of Directors
  source text: On April 14, 2023, Michael L. Marberry, the Chair of the Board of Directors of AdvanSix Inc. (the “Company”), notified the Company of his intention to retire from the Company’s Board of Directors (the “Board”), effective at the Company’s Annual Meeting of Stockholders to be held on June 15, 2023 (the “Annual Meeting”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1673985/000167398523000052/0001673985-23-000052-index.htm
- Executive change
  Todd Karran was appointed as Board Chair at AdvanSix Inc..
  - Action: succeed
  - Role: Board Chair
  source text: Effective at the Annual Meeting, Mr. Todd Karran will succeed Mr. Marberry as the new Board Chair and the size of the Board will be reduced from nine to eight directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1673985/000167398523000052/0001673985-23-000052-index.htm

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