Brown William M (CIK 1350633) reported 5 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-04). Recent activity: Buy MMM (8,578 shares), Sell MMM (3,912 shares), Buy BDX (1,098 shares), Buy MMM (8,577 shares), Sell MMM (3,912 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-04 | 3M CO (MMM) | Chairman & CEO | Buy | 8,578 | $1.2M |
| 2026-05-04 | 3M CO (MMM) | Chairman & CEO | Sell | 3,912 | $557,460 |
| 2026-01-29 | BECTON DICKINSON & CO (BDX) | Director | Buy | 1,098 | $0 |
| 2025-05-05 | 3M CO (MMM) | Chairman & CEO | Buy | 8,577 | $1.2M |
| 2025-05-05 | 3M CO (MMM) | Chairman & CEO | Sell | 3,912 | $555,817 |
Source: SEC Form 4 filings · as of 2026-05-04