---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-033612"
form_type: "8-K"
ticker: "BLZE"
cik: "0001462056"
company_name: "Backblaze, Inc."
filed_at: "2026-08-18T21:58:33+00:00"
generated_at: "2026-08-19T10:05:44.193711+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Backblaze to offer $150M convertible senior notes due 2031; upsizes revolver to $50M

## Summary
- $150M aggregate principal of Convertible Senior Notes due 2031, private placement under Rule 144A; 13-day option for $22.5M over-allotment.
- Proceeds to fund capped call transactions and general corporate purposes including capital expenditures.
- Fourth Amendment permits issuance; Fifth Amendment to raise revolver from $20M to $50M, extend maturity to April 30, 2030, modify covenants.
- BofA Securities lead bookrunner; notes convertible into cash, stock, or combination at Backblaze's election.

## SEC filing metadata
- accession: 0001140361-26-033612
- form_type: 8-K
- ticker: BLZE
- cik: 0001462056
- company_name: Backblaze, Inc.
- filed_at: 2026-08-18T21:58:33+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1462056/000114036126033612/0001140361-26-033612-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1462056/000114036126033612/ef20080590_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-033612
- JSON: https://secwatch.observer/filing/0001140361-26-033612.json
- Plain text: https://secwatch.observer/filing/0001140361-26-033612.txt

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