---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-228990"
form_type: "8-K"
ticker: "GBX"
cik: "0000923120"
company_name: "GREENBRIER COMPANIES INC"
filed_at: "2023-09-06T23:59:59+00:00"
generated_at: "2026-06-10T23:43:59.014069+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "low"
source: SEC EDGAR
---

# Greenbrier posts updated investor presentation for Q3 FY2023; no specific figures in filing

## Summary
- Investor presentation updated to reflect Q3 fiscal 2023 results, filed as Exhibit 99.1.
- Presentation prepared for 16th Annual TD Cowen Global Transportation Conference September 2023.
- No detailed financial data or changes disclosed in the 8-K or exhibit cover slide.

## SEC filing metadata
- accession: 0001193125-23-228990
- form_type: 8-K
- ticker: GBX
- cik: 0000923120
- company_name: GREENBRIER COMPANIES INC
- filed_at: 2023-09-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: low
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/923120/000119312523228990/0001193125-23-228990-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/923120/000119312523228990/d490835d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-228990
- JSON: https://secwatch.observer/filing/0001193125-23-228990.json
- Plain text: https://secwatch.observer/filing/0001193125-23-228990.txt

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