3M CO (MMM) is a publicly traded company in the Unknown sector. Across all available filings, 55 corporate insiders have executed 1087 transactions totaling $90.3M, demonstrating a bearish sentiment with -$88.8M in net insider flow. The most recent transaction on Feb 9, 2026 involved a sale of 20,519 shares valued at $3.5M.
No significant insider buying has been recorded for MMM in the recent period.
No significant insider selling has been recorded for MMM in the recent period.
Based on recent SEC filings, insider sentiment for MMM is bearish with an Insider Alignment Score of 1/100 and a net flow of -$88.8M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at 3M CO (MMM) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 55 insiders are actively trading MMM stock, having executed 1087 transactions in the past 90 days. The most active insider is Michael G. Vale (Executive), who has made 60 transactions totaling $29.2M.
Get notified when executives and directors at MMM file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 9, 2026 | L. Dickson Zoe | EVP & Chief HR Officer | Sale | 20,519 | $169.97 | $3.5M | Large |
| Feb 9, 2026 | L. Dickson Zoe | EVP & Chief HR Officer | Option Exercise | 20,519 | $142.94 | $2.9M | Large |
| Feb 6, 2026 | M. Brown William | Chairman & CEO | Award | 188,055 | $N/A | $0 | C-Suite |
| Dec 1, 2025 | Clarke Victoria | Executive | Payment | 989 | $170.48 | $168.6K | |
| Dec 1, 2025 | Clarke Victoria | Executive | Option Exercise | 2,846 | $170.48 | $485.2K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 100 | $169.82 | $17.0K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Option Exercise | 5,076 | $154.69 | $785.2K | Large |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 176 | $169.85 | $29.9K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 106 | $169.84 | $18.0K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 243 | $169.83 | $41.3K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 205 | $169.82 | $34.8K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 555 | $169.81 | $94.2K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 474 | $169.80 | $80.5K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 305 | $169.79 | $51.8K | |
| Nov 13, 2025 | L. Dickson Zoe | Executive | Sale | 36 | $169.78 | $6.1K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 445 | $89.6M | 53.1% |
Exercise(M) | 101 | $60.0M | 35.6% |
Award(A) | 310 | $10.5M | 6.2% |
Payment(F) | 209 | $7.8M | 4.6% |
Purchase(P) | 5 | $743.8K | 0.4% |
Disposition(D) | 4 | $0 | 0.0% |
Gift(G) | 13 | $0 | 0.0% |
Insider selling pressure at 3M CO has increased, with 55 insiders executing 1087 transactions across all time. Total sales of $89.6M significantly outpace purchases of $743.8K, resulting in a net outflow of $88.8M. This selling activity appears largely discretionary, which may warrant closer attention from investors.