Summary
Updated Aug 31, 2026
David Cecil Vanston is Chief Financial Officer of TOMI Environmental Solutions, Inc. (TOMZ). 1 SEC Form 4 filing on record, dated 6 October 2025.
Recent Transactions
1Every recent SEC Form 4 transaction David Cecil Vanston has reported, most recent first.
Trading Pattern
InsiderAlpha's records for David Cecil Vanston go back to 2025: 1 primary Form 4 filing, an average of 0.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Sector
No other insider has filed at David Cecil Vanston's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Ian G. H. Ashken - $7.88M of ESI open-market activity in the last 12 months
- DISCOVERY CAPITAL MANAGEMENT, LLC / CT - $7.74M of METC open-market activity in the last 12 months
- William N. Thorndike Jr. - $7.60M of PRM open-market activity in the last 12 months
- Aldo John Pagliari - $7.53M of SNA open-market activity in the last 12 months
- Timothy J. Harris - $7.52M of ATI open-market activity in the last 12 months
- David A. Sumoski - $7.46M of NUE open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is David Cecil Vanston?
David Cecil Vanston is a corporate insider, tracked as Chief Financial Officer of TOMI Environmental Solutions, Inc. (TOMZ). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did David Cecil Vanston last file a Form 4?
The only primary Form 4 on record is dated 6 October 2025.
Where can I see all of David Cecil Vanston's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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