Summary
Updated Aug 31, 2026
Theresa E. Reinseth is Sr Vice President & CAO of 3M CO (MMM). 8 SEC Form 4 filings on record going back to 2024, most recently on 24 July 2026. Most recent open-market trade: sold $157K of MMM on 24 July 2026. Lifetime open-market sales: $1.70M.
Recent Transactions
15Every recent SEC Form 4 transaction Theresa E. Reinseth has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Theresa E. Reinseth go back to 2024: 8 primary Form 4 filings, an average of 2.7 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. Reinseth 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.
- Zoe L. Dickson - $6.62M of MMM open-market activity in the last 12 months
- Mark W. Murphy - $3.17M of MMM open-market activity in the last 12 months
- John Patrick Banovetz - $1.34M of MMM open-market activity in the last 12 months
- Kevin H. Rhodes - $1.31M of MMM open-market activity in the last 12 months
- Rodriguez Beatriz Karina Chavez - $867K of MMM open-market activity in the last 12 months
- Christian T. Goralski Jr. - $837K of MMM 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. Reinseth?
Theresa E. Reinseth is a corporate insider, tracked as Sr Vice President & CAO of 3M CO (MMM). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Theresa E. Reinseth submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Theresa E. Reinseth been buying or selling stock?
Recorded transactions: 0 open-market purchases and 8 open-market sales ($1.70M) across all tracked filings.
Where can I see all of Theresa E. Reinseth'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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