3M CO (MMM) has 369 open-market insider trades by 58 insiders since 2006. Over the last six months insiders net sold $4.3M. The most active filer is Inge G. Thulin, Chairman.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Inge G. Thulin | Chairman | — | 32 | $92.1M | 2019-03-29 |
| Hak Cheol Shin | ChairmanPres | — | 19 | $47.8M | 2018-02-06 |
| Michael G. Vale | Pres | — | 14 | $38.5M | 2023-02-06 |
| Hak Cheol Shin | ChairmanPres | — | 8 | $34.5M | 2018-02-01 |
| Michael F. Roman | Chairman | — | 12 | $34.3M | 2025-02-03 |
| Fred J. Palensky | EXEC VP R&D & CHF TECH OFF | — | 12 | $29.0M | 2014-05-30 |
| George W. Buckley | — | — | 4 | $25.1M | 2012-05-31 |
| Joaquin Delgado | PresVP | — | 17 | $24.2M | 2019-05-17 |
| Joe E. Harlan | EXEC VP CONSUMER & OFFICE | — | 22 | $23.8M | 2011-06-02 |
| James L. Bauman | PresVP | — | 9 | $20.7M | 2019-02-11 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Rodriguez Beatriz Karina Chavez | President | Sell | $663K | 2026-08-05 |
| John Patrick Banovetz | President & VP | Sell | $1.3M | 2026-07-23 |
| Theresa E. Reinseth | President & CAO +1 | Sell | $157K | 2026-07-23 |
| Christian T. Goralski Jr. | President | Sell | $836K | 2026-07-22 |
| Kevin H. Rhodes | CLO & VP | Sell | $1.3M | 2026-07-22 |
| Theresa E. Reinseth | President & CAO +1 | Sell | $889K |
Companies that share insiders with MMM, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-02-11 |
| Rodriguez Beatriz Karina Chavez | President | Sell | $204K | 2026-02-09 |
| Zoe L. Dickson | CHRO & VP | Sell | $3.5M | 2026-02-09 |
| Zoe L. Dickson | EVP & Chief HR Officer | Sell | $4.3M | 2026-02-09 |
| Zoe L. Dickson | CHRO & VP | Sell | $3.4M | 2025-11-13 |
| Zoe L. Dickson | CHRO & VP | Sell | $4.1M | 2025-11-13 |
| Mark W. Murphy | VP | Sell | $6.0M | 2025-10-29 |
| Christian T. Goralski Jr. | President | Sell | $1.9M | 2025-08-07 |
| Theresa E. Reinseth | President & CAO +1 | Sell | $1.0M | 2025-08-05 |
| John Patrick Banovetz | President & VP | Sell | $2.1M | 2025-05-23 |