---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-050074"
form_type: "8-K"
ticker: "GBDC"
cik: "0001476765"
company_name: "GOLUB CAPITAL BDC, Inc."
filed_at: "2025-05-16T23:59:59+00:00"
generated_at: "2026-05-21T03:05:53.862581+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Golub Capital BDC amends ATM program, increasing maximum offering to ~$288M

## Summary
- Maximum shares under ATM Program raised to $288,043,048.98 from $250,000,000.
- Amendment entered into with placement agents KBW and Regions Securities on May 16, 2025.
- Shares sold under new prospectus supplement dated May 16, 2025, referencing Form N-2 shelf registration.
- Prior Equity Distribution Agreement terms unchanged except for Maximum Amount and limited updates.

## SEC filing metadata
- accession: 0001104659-25-050074
- form_type: 8-K
- ticker: GBDC
- cik: 0001476765
- company_name: GOLUB CAPITAL BDC, Inc.
- filed_at: 2025-05-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1476765/000110465925050074/0001104659-25-050074-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1476765/000110465925050074/tm2515323d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-050074
- JSON: https://secwatch.observer/filing/0001104659-25-050074.json
- Plain text: https://secwatch.observer/filing/0001104659-25-050074.txt

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