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Insider ActivityMMM
Brown William M, Chairman & CEO at 3M CO, traded $557K of MMM
Updated Jun 16, 2026
Brown William M
Chairman & CEO
3M CO ·
$MMM
Transaction Details
| Insider | Brown William M |
|---|---|
| Title | Chairman & CEO |
| Company | 3M CO |
| Ticker | MMM |
| Transaction Type | Tax |
| Transaction Date | 2026-05-01 |
| Shares Traded | 3,912 |
| Price Per Share | $142.5 |
| Total Value | $557K |
| Filed Date | 2026-05-04 |
| Accession Number | 0000066740-26-000182 |
Ownership Context
| Shares Owned After Transaction | 9,331 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0000066740-26-000182
Other Insider Trades — MMM
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| RUMSEY JENNIFER | Director | traded | $183K | 2026-06-05 |
| PIZARRO PEDRO | Director | traded | $195K | 2026-05-12 |
| Fitterling James R | Director | traded | $195K | 2026-05-12 |
| Mitchill Neil G. JR | Director | traded | $195K | 2026-05-12 |
| BROWN THOMAS K | Director | traded | $195K | 2026-05-12 |
| Chow Anne H | Director | traded | $195K | 2026-05-12 |
| Bozeman David P | Director | traded | $195K | 2026-05-12 |
| Sweet Thomas W | Director | traded | $195K | 2026-05-12 |
| Kereere Suzan | Director | traded | $195K | 2026-05-12 |
| Choi Audrey | Director | traded | $195K | 2026-05-12 |
Other Trades by Brown William M
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| MMM | 3M CO | traded | $1.2M | 2026-05-01 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for MMM — 3M CO →
Whisper Score — MMM
70.09
Frenzy
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 16, 2026 at 07:15 UTC