MMM
3M CO · Healthcare · Market cap $92.2B
Insiders sold $4.3M net in the last 90 days ·5 sellers, 0 buyers· latest Form 4 filed Aug 6, 2026
Insider Buying
$2K
reported purchases (SEC code P)
Insider Selling
$21.0M
reported sales (SEC code S)
Unique Insiders
7
in the rolling window
Latest filing
Oct 9, 2026
Chavez Rodriguez Beatriz Karina
3M CO (MMM) has 54 SEC Form 4 filings (158 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Oct 9, 2026.
Inside the rolling window, 7 insiders at 3M CO reported 4 open-market purchases totaling $2K and 10 open-market sales totaling $21.0M. The most active filer is Group President Goralski Christian T JR with 5 filings. Insiders have net sold $4.3M over the trailing 6 months. The most recent open-market filing is a sale of 3,635 shares by Group President Chavez Rodriguez Beatriz Karina, dated Aug 5, 2026, worth $663K.
- Industry:Conglomerates
- CEO:William Brown
- Employees:60,500
- HQ:Saint Paul, MN, US
- IPO:1946-01-14
| Source | |||||||
|---|---|---|---|---|---|---|---|
Chavez Rodriguez Beatriz KarinaFirst in 6 months | Group President | Sale | 3,635 | $663K | Aug 6 | -3.3% | SEC ↗ |
Reinseth Theresa EFirst in 5 months | Sr Vice President & CAO | Sale | 924 | $157K | Jul 24 | +1.2% | SEC ↗ |
Banovetz John PatrickFirst filing | Executive Vice President | Sale | 7,880 | $1.3M | Jul 24 | +1.2% | SEC ↗ |
Goralski Christian T JRFirst in 4 months | Group President | Sale | 4,902 | $836K | Jul 23 | +3.0% | SEC ↗ |
Rhodes Kevin HFirst filing | EVP, Chief Legal Off & Secret | Sale | 7,669 | $1.3M | Jul 23 | +3.0% | SEC ↗ |
Goralski Christian T JRFirst filing | Group President | Purchase | 9 | $875 | Apr 9 | +16.1% | SEC ↗ |
Goralski Christian T JRFirst filing | Group President | Purchase | 3 | $310 | Apr 9 | +16.1% | SEC ↗ |
Goralski Christian T JRFirst filing | Group President | Purchase | 3 | $381 | Apr 9 | +16.1% | SEC ↗ |
Goralski Christian T JRFirst filing | Group President | Purchase | 2 | $256 | Apr 9 | +16.1% | SEC ↗ |
Reinseth Theresa EFirst filing | Sr Vice President & CAO | Sale | 5,145 | $889K | Feb 12 | +0.1% | SEC ↗ |
| EVP & Chief HR Officer | Sale | 45,574 | $7.8M | Feb 10 | — | SEC ↗ | |
Chavez Rodriguez Beatriz KarinaFirst filing | Group President | Sale | 1,190 | $204K | Feb 10 | — | SEC ↗ |
Dickson Zoe LFirst filing | EVP & Chief HR Officer | Sale | 27,455 | $4.7M | Nov 14 | — | SEC ↗ |
Murphy Mark W.First filing | EVP & Chief Info Digital Off | Sale | 19,061 | $3.2M | Oct 30 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading MMM 123 all-time
- DRep. Julie JohnsonPurchase$1,001 - $15,0002025-03-15
- DRep. Josh GottheimerSale$1,001 - $15,0002026-04-28
- DRep. Josh S. GottheimerSale$1,001 - $15,0002026-04-28
- DSen. Tina SmithSale$50,001 - $100,0002026-03-31
- RRep. Julia LetlowSale$1,001 - $15,0002026-02-02
- RRep. Julia LetlowSale$1,001 - $15,0002026-02-04
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does MMM have?
3M CO (MMM) has 54 SEC Form 4 filings (158 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Oct 9, 2026.
When was the most recent SEC Form 4 filing for MMM?
The most recent Form 4 filing for MMM on Tracefour is dated Oct 9, 2026.
Who is the most active insider at MMM?
The most active SEC Form 4 filer at MMM in the rolling window is Group President Goralski Christian T JR, with 5 filings.
What is the net insider flow at MMM over the last 6 months?
Over the trailing 180 days, insiders at MMM have net sold $4.3M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at MMM in the current window?
Inside the rolling window, insiders at MMM bought $2K and sold $21.0M based on SEC Form 4 filings.
Can I get alerts for MMM insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at 3M CO (MMM). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
3M CO is in the Healthcare sector.