Summary
Updated Aug 30, 2026
Jennifer Rumsey is Director of 3M CO (MMM). 8 SEC Form 4 filings on record going back to 2024, most recently on 9 June 2026. Most recent open-market trade: sold $1.36M of CMI on 13 November 2025. Lifetime open-market sales: $2.17M.
Recent Transactions
9Every recent SEC Form 4 transaction Jennifer Rumsey has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jennifer Rumsey 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 Jennifer Rumsey 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
- Theresa E. Reinseth - $1.05M 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
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jennifer Rumsey?
Jennifer Rumsey is a corporate insider, tracked as Director 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 Jennifer Rumsey submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jennifer Rumsey been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($2.17M) across all tracked filings.
Where can I see all of Jennifer Rumsey'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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