3M Company (MMM) has 20 known insider and institutional holders on record. The largest holder is Roman Michael F with 193,397 shares. Other notable holders include Brown William M and Hanson Bryan C.
Over the last 12 months, insiders have made 70 transactions in MMM stock — 31 buys (valued at $34.65M) and 3 sells (valued at $4.21M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
MMM Insider Ownership
Top Holder
Roman Michael F
193,397 shares
Buys (12 mo)
31
$34.65M value
Sells (12 mo)
3
$4.21M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Roman Michael F |
Chairman of the Board |
193,397 |
2025-02-18 |
|
| 2 |
Brown William M |
Chairman & CEO |
188,055 |
2026-02-10 |
|
| 3 |
Hanson Bryan C |
Group Pres & CEO Health Care |
126,754 |
2023-09-06 |
|
| 4 |
Vale Michael G. |
Group President |
70,782 |
2023-02-21 |
|
| 5 |
Eskew Michael L |
Director |
63,174 |
2024-05-03 |
|
| 6 |
Liddy Edward M |
Director |
59,810 |
2020-05-04 |
|
| 7 |
Henkel Herbert L |
Director |
44,226 |
2022-05-02 |
|
| 8 |
Banovetz John Patrick |
Executive Vice President |
38,745 |
2026-02-18 |
|
| 9 |
Gangestad Nicholas C |
SVP & CFO |
38,285 |
2020-02-21 |
|
| 10 |
Bushman Julie L |
Executive Vice President |
38,034 |
2020-02-21 |
|
| 11 |
Rhodes Kevin H |
EVP, Chief Legal Off & Secret |
32,633 |
2026-02-18 |
|
| 12 |
Patolawala Monish D |
President and CFO |
30,131 |
2024-05-14 |
|
| 13 |
Fong Ivan K |
Exec VP, Gen Counsel & Secret |
23,291 |
2021-05-03 |
|
| 14 |
Delgado Joaquin |
Executive Vice President |
22,692 |
2019-05-20 |
|
| 15 |
Kent Ahmet Muhtar |
Director |
19,014 |
2023-04-28 |
|
| 16 |
Chavez Rodriguez Beatriz Karina |
Group President |
18,840 |
2026-02-12 |
|
| 17 |
Keel Paul A |
Executive Vice President |
18,587 |
2020-02-21 |
|
| 18 |
Dickson Zoe L |
EVP & Chief HR Officer |
17,666 |
2026-02-18 |
|
| 19 |
Brown Thomas K |
Director |
16,022 |
2025-05-14 |
|
| 20 |
Page Gregory R |
Director |
15,481 |
2025-05-14 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Dickson Zoe L |
EVP & Chief HR Officer |
Option Exercise (Sell) |
984 |
- |
- |
| 2026-03-02 |
Gallagher Paul Joseph |
Group President |
RSU Award |
9,291 |
- |
- |
| 2026-02-02 |
Rhodes Kevin H |
EVP, Chief Legal Off & Secret |
Tax Withholding of RSU |
5,837 |
- |
- |
| 2026-02-02 |
Dickson Zoe L |
EVP & Chief HR Officer |
Tax Withholding of RSU |
475 |
- |
- |
| 2026-02-02 |
Banovetz John Patrick |
Executive Vice President |
Tax Withholding of RSU |
5,629 |
- |
- |
| 2026-02-02 |
Murphy Mark W. |
EVP & Chief Info Digital Off |
Tax Withholding of RSU |
4,793 |
- |
- |
| 2026-02-06 |
Chavez Rodriguez Beatriz Karina |
Group President |
Tax Withholding of RSU |
2,306 |
$172.65 |
$398.13K |
| 2026-02-11 |
Reinseth Theresa E |
Sr Vice President & CAO |
Option Exercise (Sell) |
3,349 |
$154.69 |
$518.06K |
| 2026-02-06 |
Van Wyck Jonathan G. |
EVP Chief Strategy Officer |
RSU Award |
3,445 |
- |
- |
| 2026-02-06 |
Bauer Wendy A |
Group President |
RSU Award |
4,547 |
- |
- |
| 2026-02-06 |
Goralski Christian T Jr |
Group President |
RSU Award |
5,229 |
- |
- |
| 2026-02-06 |
Maheshwari Anurag |
EVP & Chief Financial Officer |
RSU Award |
7,472 |
- |
- |
| 2026-02-06 |
Rhodes Kevin H |
EVP, Chief Legal Off & Secret |
RSU Award |
4,243 |
- |
- |
| 2026-02-09 |
Chavez Rodriguez Beatriz Karina |
Group President |
Informative Sell |
1,190 |
$171.13 |
$203.64K |
| 2026-02-06 |
Chavez Rodriguez Beatriz Karina |
Group President |
RSU Award |
4,106 |
- |
- |
| 2026-02-06 |
Gallagher Paul Joseph |
Group President |
RSU Award |
3,910 |
- |
- |
| 2026-02-09 |
Dickson Zoe L |
EVP & Chief HR Officer |
Option Exercise (Sell) |
20,519 |
$142.94 |
$2.93M |
| 2026-02-09 |
Dickson Zoe L |
EVP & Chief HR Officer |
Informative Sell |
20,519 |
$169.97 |
$3.49M |
| 2026-02-06 |
Dickson Zoe L |
EVP & Chief HR Officer |
RSU Award |
3,122 |
- |
- |
| 2026-02-06 |
Reinseth Theresa E |
Sr Vice President & CAO |
RSU Award |
788 |
- |
- |
| 2026-02-06 |
Banovetz John Patrick |
Executive Vice President |
RSU Award |
2,969 |
- |
- |
| 2026-02-06 |
Murphy Mark W. |
EVP & Chief Info Digital Off |
RSU Award |
2,915 |
- |
- |
| 2026-02-06 |
Brown William M |
Chairman & CEO |
RSU Award |
188,055 |
$172.65 |
$32.47M |
| 2026-02-06 |
Goralski Christian T Jr |
Group President |
Option Exercise (Sell) |
5,639 |
- |
- |
| 2026-02-06 |
Rhodes Kevin H |
EVP, Chief Legal Off & Secret |
Option Exercise (Sell) |
17,904 |
- |
- |
