Murphy Mark W. Insider Trading Activity
Murphy Mark W. has been net-selling over the last 12 months with 0 purchases and 19 sales across 1 company.
MMM is the most-traded position with 19 trades. The largest single transaction was a sale of MMM for $1.1M on Oct 29, 2025.
Performance Scorecard
Forward stock performance after each transaction by Murphy Mark W.. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -3.3% | 0% | 19 |
| 90 days | — | +5.1% | 100% | 19 |
| 120 days | — | +0.3% | 100% | 19 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersMMM · 3M CO
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Oct 29, 2025 | MMM | Sell | 6,611 | $166.50 | $1.1M | −25.8% | VP | |
Oct 29, 2025 | MMM | Sell | 100 | $166.50 | $17K | −0.5% | VP | |
Oct 29, 2025 | MMM | Sell | 725 | $166.51 | $121K | −3.8% | VP | |
Oct 29, 2025 | MMM | Sell | 2,183 | $166.52 | $364K | −12.0% | VP | |
Oct 29, 2025 | MMM | Sell | 1,380 | $166.53 | $230K | −8.6% | VP | |
Oct 29, 2025 | MMM | Sell | 940 | $166.54 | $157K | −6.4% | VP | |
Oct 29, 2025 | MMM | Sell | 765 | $166.55 | $127K | −5.6% | VP | |
Oct 29, 2025 | MMM | Sell | 1,466 | $166.56 | $244K | −11.3% | VP | |
Oct 29, 2025 | MMM | Sell | 260 | $166.57 | $43K | −2.3% | VP | |
Oct 29, 2025 | MMM | Sell | 623 | $166.58 | $104K | −5.6% | VP | |
Oct 29, 2025 | MMM | Sell | 10 | $166.59 | $2K | −0.1% | VP | |
Oct 29, 2025 | MMM | Sell | 122 | $166.62 | $20K | −1.2% | VP | |
Oct 29, 2025 | MMM | Sell | 1,700 | $166.63 | $283K | −16.2% | VP | |
Oct 29, 2025 | MMM | Sell | 12 | $166.63 | $2K | −0.1% | VP | |
Oct 29, 2025 | MMM | Sell | 7 | $166.65 | $1K | −0.1% | VP | |
Oct 29, 2025 | MMM | Sell | 1,701 | $166.66 | $283K | −19.4% | VP | |
Oct 29, 2025 | MMM | Sell | 104 | $166.67 | $17K | −1.5% | VP | |
Oct 29, 2025 | MMM | Sell | 1 | $166.68 | $166.68 | −0.0% | VP | |
Oct 29, 2025 | MMM | Sell | 350 | $166.75 | $58K | −5.0% | VP |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| MMM | 3M CO | 19 | $3.2M |
Other insiders at 3M CO
3 other tracked filers at MMM.