---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-237909"
form_type: "8-K"
ticker: "GPK"
cik: "0001408075"
company_name: "GRAPHIC PACKAGING HOLDING CO"
filed_at: "2026-05-26T12:00:06+00:00"
generated_at: "2026-05-26T12:12:00.428241+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Graphic Packaging issues $141.4M tax-exempt green bonds due 2064

## Summary
- Principal $141.4M at 5.00% annual interest; mandatory purchase date June 1, 2030.
- Gross proceeds ~$145M, net ~$143.85M; all-in yield of 4.30%.
- Bonds issued via MEDC Private Activity Bond Program; close expected June 2, 2026.
- Bonds are special limited obligations secured by loan agreement with Graphic Packaging.

## SEC filing metadata
- accession: 0001193125-26-237909
- form_type: 8-K
- ticker: GPK
- cik: 0001408075
- company_name: GRAPHIC PACKAGING HOLDING CO
- filed_at: 2026-05-26T12:00:06+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- confidence: high
- sec_items: 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1408075/000119312526237909/0001193125-26-237909-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1408075/000119312526237909/d949072d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-237909
- JSON: https://secwatch.observer/filing/0001193125-26-237909.json
- Plain text: https://secwatch.observer/filing/0001193125-26-237909.txt

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