---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-415780"
form_type: "8-K"
ticker: "BURU"
cik: "0001814215"
company_name: "Nuburu, Inc."
filed_at: "2026-10-06T21:10:13+00:00"
generated_at: "2026-10-12T16:09:13.106381+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Nuburu cancels $15M Brick Lane convertible note by returning 295,000 Heckler & Koch shares

## Summary
- Company returns 295,000 ordinary shares of Heckler & Koch AG to Brick Lane Capital Management in exchange for cancellation of the $15,000,000 Subordinated Convertible Note dated Feb 6, 2026.
- Side Letter with Esousa Group Holdings and other July 15, 2026 purchasers revises 'Black Scholes Value' in the July 17, 2026 pre-funded warrant for fundamental transactions.
- Series B preferred holders agree to forfeit common shares they would receive if conversion price falls below $0.10; Side Letter imposes monthly penalties if registration deadlines are missed.
- Both agreements are effective September 30, 2026; 8-K signed October 6, 2026 by Executive Chairman and Co-CEO Alessandro Zamboni.

## SEC filing metadata
- accession: 0001193125-26-415780
- form_type: 8-K
- ticker: BURU
- cik: 0001814215
- company_name: Nuburu, Inc.
- filed_at: 2026-10-06T21:10:13+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1814215/000119312526415780/0001193125-26-415780-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1814215/000119312526415780/buru-20260930.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-415780
- JSON: https://secwatch.observer/filing/0001193125-26-415780.json
- Plain text: https://secwatch.observer/filing/0001193125-26-415780.txt

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