---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-001119"
form_type: "8-K"
ticker: "KEX"
cik: "0000056047"
company_name: "KIRBY CORP"
filed_at: "2023-01-25T23:59:59+00:00"
generated_at: "2026-06-20T09:56:23.325711+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Kirby appoints Susan W. Dio to Board of Directors, expanding board to ten

## Summary
- Susan W. Dio, former BP America Chairman/President, elected to Kirby Board as independent Class I director.
- Board expanded from nine to ten directors; nine of ten are independent.
- Dio will receive prorated restricted stock grant (~$41,875) and annual cash fee (~$18,750).
- Dio brings over 25 years experience in refining, petrochemicals, and oil & gas.

## SEC filing metadata
- accession: 0000950170-23-001119
- form_type: 8-K
- ticker: KEX
- cik: 0000056047
- company_name: KIRBY CORP
- filed_at: 2023-01-25T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- 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/56047/000095017023001119/0000950170-23-001119-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/56047/000095017023001119/kex-20230124.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-001119
- JSON: https://secwatch.observer/filing/0000950170-23-001119.json
- Plain text: https://secwatch.observer/filing/0000950170-23-001119.txt

## Key facts
- Executive change
  Susan W. Dio was elected as Class I Director at KIRBY CORP.
  - Action: elected
  - Role: Class I Director
  source text: On January 24, 2023, the Board of Directors of Kirby Corporation (“Kirby”) expanded the size of the Board of Directors from nine to ten directors and elected Susan W. Dio to fill the vacancy, to serve as a Class I director until the Annual Meeting of Stockholders in 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/56047/000095017023001119/0000950170-23-001119-index.htm

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