Summary
Updated Aug 31, 2026
William C. Mathers is CFO of DyTb, LLC (TMRC). 1 SEC Form 4 filing on record, dated 14 August 2026.
Recent Transactions
1Every recent SEC Form 4 transaction William C. Mathers has reported, most recent first.
Trading Pattern
InsiderAlpha's records for William C. Mathers go back to 2026: 1 primary Form 4 filing, an average of 1.0 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 William C. Mathers's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Mogens C. Bay - $8.62M of VMI open-market activity in the last 12 months
- Edward A. Schlesinger - $8.31M of GLW open-market activity in the last 12 months
- John P. McConnell - $8.21M of WOR open-market activity in the last 12 months
- Sean D. Keohane - $8.18M of CBT open-market activity in the last 12 months
- Andrew Rees - $8.02M of CROX open-market activity in the last 12 months
- BEP Special Situations IV LLC - $8.00M of FEAM 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 William C. Mathers?
William C. Mathers is a corporate insider, tracked as CFO of DyTb, LLC (TMRC). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William C. Mathers submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of William C. Mathers'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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