Sector: Industrials âĸ All Insider Transactions
đ Last update: 10/11/2026 at 22:39 UTCNSC stock price â last 6 months
Data from Yahoo Finance, 15-min delay. Last update: 09/10/2026 (market close).
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 10/08/2026 | Huffard John C Jr | Director | W | 333 | â | â |
| 09/30/2026 | Huffard John C Jr | Director | Award | 171 | $309.00 | $0.05M |
| 09/30/2026 | ANDERSON RICHARD H | Director | Award | 177 | $309.00 | $0.05M |
| 09/13/2026 | George Mark R | President & CEO | Exercise | 2,653 | â | â |
| 09/13/2026 | George Mark R | President & CEO | Tax | 1,035 | $323.30 | $0.3M |
| 09/13/2026 | George Mark R | President & CEO | Exercise | 2,653 | â | â |
| 08/20/2026 | Huffard John C Jr | Director | Award | 12 | $346.62 | $0.004M |
| 08/20/2026 | Huffard John C Jr | Director | Award | 20 | $347.90 | $0.007M |
| 08/20/2026 | Ryerkerk Lori | Director | Award | 2 | $347.90 | $0.001M |
| 08/20/2026 | LAMPHERE GILBERT H | Director | Award | 2 | $347.90 | $0.001M |
| 08/20/2026 | Jones Christopher T | Director | Award | 20 | $347.90 | $0.007M |
| 08/20/2026 | Heitkamp Mary Kathryn | Director | Award | 7 | $347.90 | $0.002M |
| 08/20/2026 | Fahmy Sameh | Director | Award | 7 | $347.90 | $0.002M |
| 08/20/2026 | Donadio Marcela E | Director | Award | 33 | $347.90 | $0.01M |
| 08/20/2026 | Davidson Phillip S | Director | Award | 9 | $347.90 | $0.003M |
| 08/20/2026 | DeBiase Francesca A. | Director | Award | 8 | $347.90 | $0.003M |
| 08/20/2026 | Clyburn William Jr. | Director | Award | 7 | $347.90 | $0.002M |
| 08/20/2026 | ANDERSON RICHARD H | Director | Award | 6 | $346.62 | $0.002M |
| 08/20/2026 | ANDERSON RICHARD H | Director | Award | 9 | $347.90 | $0.003M |
| Insider | Role | Shares Held | Last Transaction |
|---|---|---|---|
| George Mark R | President & CEO | 23,818 | 09/13/2026 |
| Donadio Marcela E | Director | 9,393 | 08/20/2026 |
| Jones Christopher T | Director | 5,294 | 08/20/2026 |
| Davidson Phillip S | Director | 2,530 | 08/20/2026 |
| DeBiase Francesca A. | Director | 2,155 | 08/20/2026 |
| ANDERSON RICHARD H | Director | 1,949 | 09/30/2026 |
| Heitkamp Mary Kathryn | Director | 1,833 | 08/20/2026 |
| Fahmy Sameh | Director | 1,833 | 08/20/2026 |
| Clyburn William Jr. | Director | 1,833 | 08/20/2026 |
| Ryerkerk Lori | Director | 1,345 | 08/20/2026 |
| LAMPHERE GILBERT H | Director | 629 | 08/20/2026 |
| Huffard John C Jr | Director | 333 | 10/08/2026 |
Recent financial data from SEC filings (XBRL) to contextualize insider activity.
Legal insider trading occurs when executives, directors, and major shareholders (>10%) of a public company buy or sell shares of their own company and report it to the SEC via Form 4.
Open market purchases (P) â the strongest signal. The insider uses their own money to buy shares.
All data on this page comes directly from public SEC filings.
đ View all Form 4 filings on SEC EDGAR NSC âOther Industrials stocks with monitored insider activity:
Stocks with the highest number of recent insider transactions: