Summary
Updated Aug 31, 2026
Theresa E. Wagler is Executive Vice President & CFO of STEEL DYNAMICS INC (STLD). 6 SEC Form 4 filings on record going back to 2024, most recently on 13 March 2026.
Recent Transactions
11Every recent SEC Form 4 transaction Theresa E. Wagler has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Theresa E. Wagler go back to 2024: 6 primary Form 4 filings, an average of 2.0 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 Stocks
Insiders who reported open-market trades in the last 12 months at the companies Theresa E. Wagler files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- W. Anthony Will - $59.20M of CF open-market activity in the last 12 months
- Susan L. Menzel - $4.69M of CF open-market activity in the last 12 months
- Bert A. Frost - $3.98M of CF open-market activity in the last 12 months
- James Stanley Anderson - $2.69M of STLD open-market activity in the last 12 months
- Miguel Alvarez - $2.43M of STLD open-market activity in the last 12 months
- Christopher A. Graham - $2.13M of STLD 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 Theresa E. Wagler?
Theresa E. Wagler is a corporate insider, tracked as Executive Vice President & CFO of STEEL DYNAMICS INC (STLD). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Theresa E. Wagler last file a Form 4?
The most recent primary Form 4 on record is dated 13 March 2026, one of 6 filings going back to 2024.
Where can I see all of Theresa E. Wagler'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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