---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-100518"
form_type: "8-K"
ticker: "NVVE"
cik: "0001836875"
company_name: "Nuvve Holding Corp."
filed_at: "2026-09-16T20:07:40+00:00"
generated_at: "2026-09-16T20:09:40.904506+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Nuvve issues $280K convertible note at discount, exchanges all Series A preferred for new Series C

## Summary
- Issued $280,000 convertible note to FirstFire Global Opportunities Fund with $30,000 OID, net $250,000; 12% interest, matures 9/10/2027.
- Conversion price is lower of $1.40/share or 85% of lowest 10-day VWAP; 4.99% beneficial ownership cap applies.
- Exchanged all 2,238.655 shares of Series A preferred for Series C preferred (stated value $1,000/share), 8% cumulative dividends, senior ranking.
- Series C converts at $1.40 with full ratchet antidilution; no voting rights; registration rights extended to underlying common.
- Irrevocable instruction reserves 5,000,000 common shares for note conversion; piggyback registration rights granted.

## SEC filing metadata
- accession: 0001213900-26-100518
- form_type: 8-K
- ticker: NVVE
- cik: 0001836875
- company_name: Nuvve Holding Corp.
- filed_at: 2026-09-16T20:07:40+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1836875/000121390026100518/0001213900-26-100518-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1836875/000121390026100518/ea0305653-8k_nuvve.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-100518
- JSON: https://secwatch.observer/filing/0001213900-26-100518.json
- Plain text: https://secwatch.observer/filing/0001213900-26-100518.txt

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