---
schema_version: "secwatch.filing_event.v1"
accession: "0001822966-25-000179"
form_type: "8-K"
ticker: "SMR"
cik: "0001822966"
company_name: "NUSCALE POWER Corp"
filed_at: "2025-11-17T23:59:59+00:00"
generated_at: "2026-05-16T19:22:09.296895+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# NuScale appoints David Tonnel as CAO; adopts deferred comp plan for directors

## Summary
- Jacqueline Engel completes service as Interim VP Accounting effective Nov 22, 2025.
- David Tonnel, previously SVP Accounting, appointed Chief Accounting Officer effective Nov 22, 2025.
- Bylaws amended to designate Chief Accounting Officer as officer; Controller no longer required to be CAO.
- Board adopted deferred compensation plan allowing non-employee directors to defer cash retainers and RSUs.

## SEC filing metadata
- accession: 0001822966-25-000179
- form_type: 8-K
- ticker: SMR
- cik: 0001822966
- company_name: NUSCALE POWER Corp
- filed_at: 2025-11-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822966/000182296625000179/0001822966-25-000179-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822966/000182296625000179/smr-20251116.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001822966-25-000179
- JSON: https://secwatch.observer/filing/0001822966-25-000179.json
- Plain text: https://secwatch.observer/filing/0001822966-25-000179.txt

## Key facts
- Governance Changes
  NUSCALE POWER Corp: Amended Bylaws to designate Chief Accounting Officer as an officer and remove requirement for Controller to be Chief Accounting Officer (effective 2025-11-16).
  - Change: bylaw amendment
  - Effective: 2025-11-16
  source text: On November 16, 2025, the Board approved and adopted an amendment to the Company’s Amended and Restated Bylaws (together with the amendment, the “Bylaws”). The Bylaws updated Article V to designate the Chief Accounting Officer as an officer of the Company and removed the requirement for the Controller of the Company to be the Chief Accounting Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1822966/000182296625000179/0001822966-25-000179-index.htm

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