---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-113520"
form_type: "8-K"
ticker: "KEX"
cik: "0000056047"
company_name: "KIRBY CORP"
filed_at: "2025-09-08T23:59:59+00:00"
generated_at: "2026-05-17T07:47:35.600771+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Kirby expands share repurchase authorization by 8M shares; ~8.8M shares remaining

## Summary
- Board authorized repurchase of up to 8M additional shares of common stock under existing authorization.
- As of Sep 5, 2025, 4.15M shares bought previously; with new authorization, 8.85M shares remain available.
- Repurchases may be executed via open market, private transactions, block trades, or Rule 10b5-1 plans; no expiration.
- CEO David Grzebinski stated the authorization reflects confidence in Kirby's ability to generate strong free cash flow.
- Capital allocation priorities include inland marine acquisitions, power generation investments, and returning capital to shareholders.

## SEC filing metadata
- accession: 0000950170-25-113520
- form_type: 8-K
- ticker: KEX
- cik: 0000056047
- company_name: KIRBY CORP
- filed_at: 2025-09-08T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/56047/000095017025113520/0000950170-25-113520-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/56047/000095017025113520/kex-20250908.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-113520
- JSON: https://secwatch.observer/filing/0000950170-25-113520.json
- Plain text: https://secwatch.observer/filing/0000950170-25-113520.txt

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