---
schema_version: "secwatch.filing_event.v1"
accession: "0001772695-25-000043"
form_type: "8-K"
ticker: null
cik: "0001772695"
company_name: "Sunnova Energy International Inc."
filed_at: "2025-03-31T23:59:59+00:00"
generated_at: "2026-05-24T02:04:45.994539+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Sunnova adopts NOL poison pill to protect $1.4B in federal tax attributes

## Summary
- Rights plan triggers if any person/group acquires 4.9% or more of outstanding common stock.
- Holders (excluding trigger person) can buy shares at 50% discount or exchange each right for one common share.
- Plan effective March 28, 2025, expires March 27, 2028 unless terminated earlier by Board.
- Sunnova had approx. $1.4B in U.S. federal NOLs as of Dec 31, 2024 at risk under Section 382.
- Board may exempt any person or transaction; plan intended to preserve long-term shareholder value.

## SEC filing metadata
- accession: 0001772695-25-000043
- form_type: 8-K
- cik: 0001772695
- company_name: Sunnova Energy International Inc.
- filed_at: 2025-03-31T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1772695/000177269525000043/0001772695-25-000043-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1772695/000177269525000043/nova-20250328.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001772695-25-000043
- JSON: https://secwatch.observer/filing/0001772695-25-000043.json
- Plain text: https://secwatch.observer/filing/0001772695-25-000043.txt

## Key facts
- Governance Changes
  Sunnova Energy International Inc.: Filed Certificate of Designations for Series D Preferred Stock in connection with Tax Asset Preservation Plan.
  - Change: charter amendment
  source text: the Board of Directors approved a Certificate of Designations of Series D Preferred Stock (the “Certificate of Designations”), which the Company filed with the Secretary of State of the State of Delaware
  evidence_url: https://www.sec.gov/Archives/edgar/data/1772695/000177269525000043/0001772695-25-000043-index.htm

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