---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-092132"
form_type: "8-K"
ticker: "PLUG"
cik: "0001093691"
company_name: "PLUG POWER INC"
filed_at: "2025-09-22T23:59:59+00:00"
generated_at: "2026-05-17T05:56:43.375577+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Plug Power files prospectus supplement to register 185M shares underlying outstanding warrants

## Summary
- Warrants to purchase 185,430,464 shares at $2.00 per share, expiring March 20, 2028, were issued in March 2025.
- Registration filed Sept 22, 2025 permits resale of shares issuable upon exercise of those warrants.
- This filing is procedural; no new warrant issuance or change to existing warrant terms.

## SEC filing metadata
- accession: 0001104659-25-092132
- form_type: 8-K
- ticker: PLUG
- cik: 0001093691
- company_name: PLUG POWER INC
- filed_at: 2025-09-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1093691/000110465925092132/0001104659-25-092132-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1093691/000110465925092132/tm2523585d4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-092132
- JSON: https://secwatch.observer/filing/0001104659-25-092132.json
- Plain text: https://secwatch.observer/filing/0001104659-25-092132.txt

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