---
schema_version: "secwatch.filing_event.v1"
accession: "0001654954-26-005091"
form_type: "8-K"
ticker: "TOMZ"
cik: "0000314227"
company_name: "TOMI Environmental Solutions, Inc."
filed_at: "2026-05-19T13:01:08+00:00"
generated_at: "2026-05-19T13:02:28.618146+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# TOMI appoints interim CFO after unexpected death of CFO David Vanston

## Summary
- CFO David Vanston died unexpectedly on May 11, 2026; he had been with the company since May 30, 2025.
- Niroshan Srirathan appointed Interim CFO effective May 16, 2026; he had been Controller since May 2026.
- Annual base salary of $180,000 under offer letter; company will update on search for permanent CFO.
- Srirathan has 14+ years of finance leadership; previously at Vistry Group and Berkeley Group in UK.
- No family relationships or reportable transactions between Srirathan and any director/officer.

## SEC filing metadata
- accession: 0001654954-26-005091
- form_type: 8-K
- ticker: TOMZ
- cik: 0000314227
- company_name: TOMI Environmental Solutions, Inc.
- filed_at: 2026-05-19T13:01:08+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/314227/000165495426005091/0001654954-26-005091-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/314227/000165495426005091/tomz_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001654954-26-005091
- JSON: https://secwatch.observer/filing/0001654954-26-005091.json
- Plain text: https://secwatch.observer/filing/0001654954-26-005091.txt

## Key facts
- Executive change
  Niroshan Srirathan was appointed as Interim Chief Financial Officer at TOMI Environmental Solutions, Inc..
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: On May 16, 2026, TOMI Environmental Solutions, Inc. (the “Company”) appointed Mr. Niroshan Srirathan as the Company’s Interim Chief Financial Officer, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/314227/000165495426005091/0001654954-26-005091-index.htm

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