---
schema_version: "secwatch.filing_event.v1"
accession: "0001654954-25-006601"
form_type: "8-K"
ticker: "TOMZ"
cik: "0000314227"
company_name: "TOMI Environmental Solutions, Inc."
filed_at: "2025-06-05T23:59:59+00:00"
generated_at: "2026-05-19T23:09:25.493317+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# TOMI appoints David Vanston as CFO effective May 30, 2025

## Summary
- Annual base salary of $230,000 with eligibility for discretionary bonus up to 40% of base.
- Initial grant of 100,000 RSUs and additional 100,000 RSUs after one year, both with 3-year vesting.
- Vanston brings over 25 years of finance leadership in life sciences, manufacturing, and technology sectors.
- Prior CFO roles at Jon-Don, Flexan, Arcmed-Diba, and VolitionRx (NYSE-listed).
- Appointment follows expiration of Nick Jennings's interim CFO term; Jennings retiring.

## SEC filing metadata
- accession: 0001654954-25-006601
- form_type: 8-K
- ticker: TOMZ
- cik: 0000314227
- company_name: TOMI Environmental Solutions, Inc.
- filed_at: 2025-06-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/314227/000165495425006601/0001654954-25-006601-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/314227/000165495425006601/tomz_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001654954-25-006601
- JSON: https://secwatch.observer/filing/0001654954-25-006601.json
- Plain text: https://secwatch.observer/filing/0001654954-25-006601.txt

## Key facts
- Executive change
  David Vanston was appointed as Chief Financial Officer at TOMI Environmental Solutions, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: On May 30, 2025, the Board of Directors (the “Board”) of TOMI Environmental Solutions, Inc. (the “Company”) appointed Mr. David Vanston as the Company’s Chief Financial Officer, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/314227/000165495425006601/0001654954-25-006601-index.htm
- Executive change
  Nick Jennings departed as Interim Chief Financial Officer at TOMI Environmental Solutions, Inc..
  - Role: Interim Chief Financial Officer
  source text: The appointment was made following the expiration of Mr. Nick Jennings’s offer letter to serve as the Interim Chief Financial Officer of the Company, as previously disclosed by the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/314227/000165495425006601/0001654954-25-006601-index.htm

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