| 2024-06-12 | Sale | Regeneron Pharmaceuticals, Inc. REGN | Bd. Co-Chair, President & CEO | 16,149 0.015% | $1,015.94 | $16.41M | +1.67% | |
| 2024-06-11 | Sale | Regeneron Pharmaceuticals, Inc. REGN | Bd. Co-Chair, President & CEO | 9,064 0.0084% | $1,015.43 | $9.2M | +3.35% | |
| 2024-06-06 | Sale | Regeneron Pharmaceuticals, Inc. REGN | Bd. Co-Chair, President & CEO | 787 0.0007% | $1,015.02 | $798,821 | +3.7% | |
| 2024-05-17 | Sale | Regeneron Pharmaceuticals, Inc. REGN | Bd. Co-Chair, President & CEO | 22,830 0.0212% | $979.23 | $22.36M | +1.93% | |
| 2024-05-15 | Sale | Regeneron Pharmaceuticals, Inc. REGN | Bd. Co-Chair, President & CEO | 10,941 0.0101% | $980.34 | $10.73M | +2.31% | |
| 2024-05-14 | Sale | Regeneron Pharmaceuticals, Inc. REGN | Bd. Co-Chair, President & CEO | 25,000 0.0229% | $979.25 | $24.48M | +1.31% | |
| 2022-04-05 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 4,461 0.0042% | $710.05 | $3.17M | +4.07% | |
| 2022-03-31 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 2,886 0.0027% | $710.01 | $2.05M | +2.46% | |
| 2021-08-19 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 10,000 0.0095% | $660.03 | $6.6M | -4.42% | |
| 2021-08-18 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 200,000 0.1926% | $650.03 | $130.01M | -1.36% | |
| 2021-08-16 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 10,000 0.0094% | $624.36 | $6.24M | -0.11% | |
| 2020-05-12 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 150,922 0.1406% | $569.22 | $85.91M | -1.47% | |
| 2015-01-02 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 1,500 0.0015% | $410.58 | $615,867 | +24.89% | |
| 2014-11-12 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 42,324 0.042% | $400.32 | $16.94M | +19.6% | |
| 2014-11-11 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 3,493 0.0035% | $400.00 | $1.4M | +20.3% | |
| 2014-10-31 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 3,453 0.0035% | $400.11 | $1.38M | +20.17% | |
| 2014-10-28 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 69,112 0.0697% | $404.01 | $27.92M | +18.72% | |
| 2013-10-02 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 9,162 0.0093% | $313.82 | $2.88M | -3.47% | |
| 2013-09-19 | Sale | Regeneron Pharmaceuticals, Inc. REGN | President & CEO | 102,949 0.1033% | $302.67 | $31.16M | -1.62% | |
| 2013-09-09 | Sale | Regeneron Pharmaceuticals, Inc. REGN | CEO & President | 5,000 0.0051% | $275.47 | $1.38M | +8.42% |